The Geologic Oddity in Hawaii; The Great Crack

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On the southeastern section of the Big Island of Hawaii, there is an unusually long and deep crack which runs across a swath of the Kilauea volcano. Known as "The Great Crack", it measures 8 miles or 13 kilometer long, is up to 66 feet deep and up to 50 feet wide. Since this feature is located on the southwestern section of the Kilauea volcano, does the crack directly indicate that a section of the island is breaking away? This video will answer that question and discuss this geologic oddity.
Thumbnail Photo Credit: U.S. Geological Survey, Hawaiian Volcano Observatory, Public Domain, www.usgs.gov/media/images/kil.... Text was added and bordered by black before being overlayed by white text. An orange border overlay and the GeologyHub logo was then overlayed on.
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Sources/Citations:
[1] U.S. Geological Survey
[2] Hawaiian Volcano Observatory
[3] U.S. Geological Survey, www.usgs.gov/news/volcano-wat.... Several attributed direct quotes in this GeologyHub video were pulled from this article, along with the dimensions of The Great Crack (in the video and in the video description)
[4] The information on when southwest rift zone eruptions occurred was sourced from a diagram/image/graphic by K. Mulliken
HVO, U.S. Geological Survey, Hawaiian Volcano Observatory, Public Domain, www.usgs.gov/media/images/map...
0:00 The Great Crack
0:30 Kilauea Rift Zones
2:20 The Great Crack Model
3:34 Earthquakes
4:09 Conclusion

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2 июн 2024

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Комментарии : 336

@GeologyHub Год назад

The Great Crack is one of many rift zone features of the Kilauea volcano.

@whiteknightcat Год назад

In case anyone is wondering, the odd feature crossing the crack in some overhead shots is an off-road trail running from Hawaii Belt Rd southeast towards the coast at Kapaoo Point.

@Dranzerk8908 Год назад

Besides earthquakes knowing, i assume they use ground deformation images from satellites to see as well?

@Chichi-sl2mq Год назад

Loved the rift zone video. Literally just ask for rift valley videos a few days ago ...This made my day

@xyzct Год назад

Consider doing a video on the many massive collapses that have occurred on the islands which sculpted the rugged coastline, generated enormous tsunamis, and left vast undersea debris fields.

@Circe-nx5zs Год назад

Thanks for another great video. UNESCO just put out there list of the top 100 IUGS Geological Heritage sites. Would you mind making videos about some of the sites on the list?

@digitaldreamer5481 Год назад

Here in Hawaii, all of us emergency disaster communicators, we do practice drills for ,not the Big One like in California, but the silents ones on the Big Island of Hawai’i. Meaning, the silent fault movements that can take hours and days before this slow movement stops. They are like Earthquakes but without the quaking. So for years, we have been told that the south point of the Big Island could have a series of “Silent Earthquakes and eventually the south point could slip into the Pacific Ocean and create a Mega Tsunami for Oahu, with Waikiki being in the direct path of a directional tsunami wave series. We’ve been told about the Great Crack on the south point of the Big Island but nothing in specific details. Your video today provided the most details that I’ve been told to date. After watching your video earlier this week about half of Oahu sliding into the ocean and creating a underwater debris field going out 149 miles and creating a Pacific-wide tsunami of up to 500 feet, having a similar landslide on the Big Island really shouldn’t be a surprise, just not sure if that will happen in my lifetime but we still train for it. I hope you make some more videos about the Hawaiian Islands. Here on the local education channel Othello, there is a class at the UH Manoa campus that I was invited to many years ago called “Oahu 101”, that covered the formation of Oahu. The host spoke about both volcanos that make up Oahu, the erosions from wind and rain and how the world’s best seaport of Pearl Harbor came to be formed. Over the last few years, we’ve had a number of rock and landslides near the town side entrance to the three mile tunnel on the Pali Highway. As to the silent earthquakes, the following internet search produced this article that I thought went straight to the point. www.scientificamerican.com/article/the-threat-of-silent-quakes/

@peaches3472 Год назад

Thank you for your additional information! Nothing like the testimony from someone that has 'hands-on' experience and is actually there! (Went through there years ago on my way back from Okinawa. Beautiful place!!🥰)

@digitaldreamer5481 Год назад

@@peaches3472 Thank you very much for your generous reply to my earlier post. I move my family here to Hawaii almost 15 years ago from Surf City USA, where our only concern in life was earthquakes and street gang crime, which I pretty much eliminated those two factors. I wanted to raise my family in a safe environment for learning, which not many people know this but the education system on and off campus is a lot more centralized. As far as EmComm Communications goes, agencies and NGO’s are a lot more centralized also, meaning you can network yourself from one agency to another quite easy, which accelerates learning over a wide area, as in my case emergency disaster communications, learning protocols and agency responses to disasters. Many times, all these agencies and NGO’s can be found at the same events and making contacts with each is fairly easier than it would if you lived in the Los Angeles, Chicago or even New York City areas. I’m not an expert on earthquakes, tsunamis or volcanoes but as a disaster communicator, you do learn a lot directly from the experts from those fields. Example, if you want to volunteer for disaster relief and recovery efforts, a great place to start would be the American Red Cross. They have been doing or should I say, laying the ground work in these efforts for over a century with many lessons that had to be learned. I am a third generation Ham operator, been a Ham since I was 11 years old. If my grandfather was alive today, I think he would be very proud of what I’ve accomplished in all the decades that I’ve been a FCC License ham operator. Just a note: I’m the only ham operator in the world that has ever had to open, start and finish a emergency communications net for a Inbound Nuclear Missile Attack from North Korea on the Saturday morning of January 13,2018 and for the longest 38 minutes in history, every resident of Hawaii thought they were going to die in a nuclear missile attack. I credit my US Marine Corps training for what I was able to accomplish that morning on a personal level, which I honestly don’t think I could ever do again. Today, I try to help the younger hams by teaching them what I have learned since I’m not going to be around for very much longer, just based on my age and service connected disabilities, nothing that is going on health wise. Again, thank you very much! SEMPER FI 🇺🇸🇺🇸🇺🇸

@peaches3472 Год назад

@@digitaldreamer5481 I used to work for the Red Cross in a call center. Dick Chaney's daughter was the CEO over it at the time. But something I learned about the Red Cross that didn't make me too happy was (examples) when Catrina hit New Orleans, they set up an 800 number to take donations for those people. BUT if you donate to a specific catastrophe like Catrina and write it on your check, whatever monies are left over, goes into a bank account and American Red Cross lives off the interest. SO if you don't put a specific note in the memo of your check and just put 'where needed'...then they use your donation where it's needed.. I didn't like that very much about them. But like you, I'm alot older now and I'm ready to go 'home'! I hope you have gotten saved! Because we are fast approaching the return of our Savior! You have the best Pastor ever right in your 'backyard' so to speak and I listen to him all the time. He is Pastor of the Calvary Chapel at Kaneohe, HI. His website is: JDFARAG.ORG if you're interested. You mentioned you were a Marine 😍 I was Air Force but before that I was in Texas for awhile and use to work for Texas Instruments. I was an inspector on the Harpoon Missile. It's kind of funny, because I was raised on a farm in PA and we did all kinds of work. I even changed the oil in my own vehicle. Knowing how to do that, ended up with the Navy Brass showed up one night with my boss and wanted to know what I was doing differently, that caused me to have the least amount of failure rate on every one I inspected. I didn't tell them. But I'll tell you..I was testing all the screws between the boards because I knew that they would work loose as they went through the different processes and were handled.....with same exact 'tension' used on the oil cap of your vehicle when you change the oil! (I hope that made you laugh!) Life is full of surprises and sometimes pretty funny at the same time! Proud of you r service and your teaching others about being a Ham Operator! We may need that very soon with the way things are going and the SHTF. You have to see it coming! And I'd be real proud to meet you 'on the other side' when that day comes, and call you a Friend! God Bless You and Keep You and Your's Safe during these 'trying times'!

@mariashaffer-gordon3561 Год назад

@@digitaldreamer5481 I don't envy what you did on Jan. 13, 2018, but thank you for serving your state and country that morning. I hope nothing like this happens again.

@mariashaffer-gordon3561 Год назад

@@peaches3472 You clearly did a good job inspecting missiles, but why didn't you share your secret about testing the screws with your superiors? That's not boasting that you were a better inspector than your colleagues, it's sharing your expertise.

@jimmyjames2022 Год назад

Since you were recently talking about the Nu'uanu Slide, it's probably worth clarifying that the Great Crack is not part of the Hilina Slump.

@Sacto1654 Год назад

Fortunately. But everything off the southeastern coast of the "Big Island" could suddenly experience a major undersea landslide with very little warning, and that could have serious consequences all across the Pacific Ocean.

@jimmyjames2022 Год назад

@@Sacto1654 Maybe, but Kamaʻehuakanaloa (Loihi) Seamount might prevent a large scale failure.

@GeologyHub Год назад

This is correct. The Hilina Slump is an unrelated feature to the Great Crack

@mrcryptozoic817 Год назад

@@Sacto1654 Is it equally likely that the landslide will be a slow slump into the ocean?

@gordybishop2375 Год назад

@@GeologyHubany good videos of that slide. I watched one that was about an hour long. It started with a guy finding sea shells high up on the mountains of north Australia long ago and finally figured out why.

@EatsLikeADuck Год назад

"The Great Crack" because "That Super Duper Big Crack" seemed a bit too flamboyant for geologists.

@charleshueckstaedt5064 Год назад

HAAAAA

@zolacnomiko Год назад

Loving how frequently you're featuring Hawaiian geology later. The Hawaiian Islands really do have some astounding geological features!

@eriklerougeuh5772 Год назад

may be he take his holidya there? or he willing to !

@tactiletinkerer Год назад

Thanks for another HI state GeologyHub EP! Love to see them... thanks esp for efforts on Hawaiian pronunciation and spelling! Mahalo a e hoʻomau! 👍🌺

@relwalretep Год назад

I totally get what you say, GH makes such an effort with non-English language pronunciation and so educates beyond just rocks.

@regular-joe Год назад

I liked how you had the print appear phrase by phrase as you were reading the quote.

@StuffandThings_ Год назад

I always love it when typically hidden geologic features are visible, so learning about this was super neat (and something I'll certainly have to see some day!). An entire episode/mini series/playlist about these sorts of things would be quite fantastic, like the places where strike slip faults are clearly visible, the various regions of horst and graben topography, obducted bits of crust, lava lakes such as Nyiragongo which behave surprisingly closely to magma chambers, volcanic plugs, exposed ring dykes, exposed metamorphic bases of mountain ranges like the Appalachians, etc. (yes I know some of these have already been covered but there's still plenty to go). Geology seems to have as many exceptions as it does rules, and the exceptions never cease to amaze!

@leong108 Год назад

No, its not "typically hidden" . Thats the whole point of the video. The Great Crack is only at the surface, it is not telling of the activity of the Rift Zone ... they judge the rift zone is in a stable subsidence, as the great weight of the Kilauea mountain on the ocean crust is deforming the ocean crust, squashing it out of the way. Look, take a giant warship, and bend it.. there will be some cracks in the paint on the hull.. Are the cracks in the paint showing where it bent ? no.. The entire warship is bent !!! Its much much larger than a hairline crack in the paint. The oceanic crust is bending with the weight of the "rift zone". The rifting is controlled by the oceanic crust giving way.. at a slow rate, its the crust controlling the rift... not the shield volcano being swiss cheese.Worse, the crack's behaviour, opening or closing, is not telling of the rift zone's descent into the ocean. If the rift zone stops descending, the crack can open up. if the rift zone was speeding up its descent, the crack could close. The crack is not telling !!

@jagers4xford471 Год назад

Great video thanks. I live in New Hampshire. There was a report a few years ago of a very large hot spot under the New England states that is growing. I'm not sure how much information is available on the subject. It would be great to have you guys do a video on the topic. Thanks again..

@mnichols1979 Год назад

I love your videos. It's like every time a question pops in my head about your video, I get an answer in almost the next two sentences.

@williamlloyd3769 Год назад

Reminds me of similar cracks I’ve seen in Iceland. You have to wonder about the geological processes that created them. Impressive!

@andynn6691 Год назад

Reminds me of similar cracks I've seen in plumbers. You have to wonder about the anatomical processes that created them. Impressively frequent eruptive activity!

@RyanDCH Год назад

Video Idea: I know there is a purple-sand beach from garnets and a green sand beach from peridot. Could you do a video, or a few, on beaches with unusual sand?

@PabloMotte Год назад

+1 for saying "Pu'u O'o" and "Great Crack" multiple times without childish giggling.

@albertvanlingen7590 Год назад

I cracked up completely 🤣🤣😜🤭

@1969kodiakbear Год назад

Crack. This is so cool. By the way, I have difficulty communicating because I had a stroke in Broca’s area, the part of the brain that controls speech. 2/8/2021 but I lived again. (My wife helped me compose this.)

@theredrover3217 Год назад

😊 I know of two areas during the 2018 Kilauea eruption lava ran into 'cracks'. I have seen one, the homeowner below Fissure 8 didn't know it existed so dense the jungle in the area until witnessing the oncoming lava flow disappear just short of their home. 😊 I never heard confirmation about the other one if it indeed stopped one inital lava flow path pouring into a huge crack but it sure looked like it did or at least helped it from moving further.

@lavapix Год назад

Fissure 17 had a flow pouring into what seemed to be a bottomless crack. Saw it from a heli. It was hidden in the forest and not easily seen yet very close to cleared land. Some small wooden structure by it too.

@theredrover3217 Год назад

@@lavapix👍Sounds like the second one I'm thinking of. 😁 Or at least the footage I recall seeing - appeared to be a bottomless crack - in the scope of all sorts of wild things going on in those early days. 😜

@lavapix Год назад

@@theredrover3217 There was the flow from Puu Oo years before the 2018 eruption that poured into a seemingly bottomless crack for days. That flow is the one that stopped just before reaching the Pahoa shopping center. It went through the nearby cemetery.

@michaelhanford8139 Год назад

Dog the bounty hunter taught us that Hawaii has a lot of ice. Geology hub teaches us that it has great crack too! 😄 Great video. Thank you for it.

@lavapix Год назад

Sections of the crack heading west from the park are now part of HVNP. It's an interesting area but you are in for a hike as the old trail is heavily overgrown. I was fortunate enough to make it to the Napau Crater crack area as lava was pouring into it back in 2011. Near is 1 mile away as the eruption was quickly evolving making getting closer too dangerous. Fissures were opening up between me and the crack. Two of them were only 20 feet away from my location. Good times.

@GeologyHub Год назад

Awesome! I hope to come back to Hawaii and see a future southwest rift zone eruption.

@lavapix Год назад

@@GeologyHub That and Hualalai are my hopes while I'm still alive.

@carlosvanvegas Год назад

This video was worth it just for the pronunciations

@RissaFirecat Год назад

This is really interesting. Thanks for the information!

@riverAmazonNZ Год назад

That’s an impressive crack! Reminds me of the last chocolate cake I baked.

@MaryAnnNytowl Год назад

What an interesting feature! One I hadn't know existed, so thank you for helping me learn something new today!

@MelindaGreen Год назад

Very informative, thanks

@dennismitchell5276 Год назад

The Great Rift exists in Idaho. A 65 mile long crack starting at Craters of the Moon and heading south. Not sure how deep it is I have been caving in it. I heard stories of running out of 300 feet of rope while depending.

@SK-hc3qe Год назад

Love the videos! How about a vid on the Chesapeake Bay impact crater

@NGC-catseye Год назад

ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-sZoPhaD-6eI.html Here is one he prepared earlier💥

@whiteknightcat Год назад

Not to be confused with a grate crack, which can impact the operation of your fireplace.

@csjrogerson2377 Год назад

I knew a girl called Hawaii, she had a grate crack.

@keithheydenrych Год назад

I have even named my fireplace. I call it Alfred the Grate.

@whiteknightcat Год назад

@@keithheydenrych Nicely done!

@MaryAnnNytowl Год назад

@@keithheydenrych I approve, and admit to a feeling of envy that I didn't think of that, myself.

@keithheydenrych Год назад

@@MaryAnnNytowl I am truly honoured.

@kensmith8832 Год назад

However, all it takes is a one event for this crack to become a problem. In truth, authorities don't want people to panic, so they will not tell you of any dangers unless it is happening.

@michaeldeierhoi4096 Год назад

On the contrary, I have frequently read or viewed in videos of reports by geologists that alert the public to potential hazards from earthquakes or volcanic eruptions. And often those alerts turned out to accurate. Predictions about the threats posed by climate change have come to pass for example. The worsening of drought, heat waves, flooding, forest fires and more intense hurricanes have all come to pass.

@kensmith8832 Год назад

@@michaeldeierhoi4096 You are saying you have no education in this field but you have an opinion. Hmmm, not sure that holds any weight.

@michaeldeierhoi4096 Год назад

@@kensmith8832 🙄

@DanielBerke Год назад

I hiked out to (and along for a ways) the Great Crack some years ago, it's quite impressive up close!

@michelecox5241 Год назад

Very interesting. That volcano is crazy interesting.

@kiha6702 Год назад

Mahalo for helping us learn more about my home state🌺🏝🌋

@kengrow3992 Год назад

Thanks for not including a bunch of photos of other volcanoes well talking about this one. If the great crack interest you, you should take a look at the earthquakes Swarms that are over the south end of it around Pahala. I find it very interesting. It’s at about. It’s close as you can get to the new island.

@mariashaffer-gordon3561 Год назад

Very interesting, and a clear explanation even for a person like me who has no background in geology. I'd never heard of the Great Crack. Is it located on the Napau Crater/Mauna Ulu Trail, which I gather is closed at a certain point for obvious reasons? I was interested to see that Mauna Ulu is Hawaiian for growing mountain.

@lavapix Год назад

No. West of the Kau Desert and sections of it have only recently become part of HVNP. I actually hiked to and through the Napau crater back in 92. I had to jump over the crack to reach the crater's eastern edge and beyond. Back then there were huge skylights just east of there. They were thick with fumes so you could only hear the rushing lava. The park was more open to exploring back in those days.

@wiredforstereo Год назад

Loving the Hawai'i videos.

@mistysowards7365 Год назад

The halima slump( i probably spelled it wrong) is in my opinion the area of concern for Hawaiian flank failure or large slide potential. It's an enormous area of the southern flank of Kilauea and has shown regular slips and was the source I believe for the largest recent eq near the big island. But it very well could just slip a mm at a time for the next 100,000 yrs and never fail. Such is the world of unseen geological formation under these giant shield volcanoes that are highly active.

@wiredforstereo Год назад

Hilina. I would think that the regular movement of the Hilina Slump would probably mean that it would not fail in catastrophic fashion as it continues to move regularly. Regular movement means no buildup of pressure and potential energy for a big release all at once.

@ReesieandLee Год назад

I used to live near volcano and these stories about the rift always terrified me.

@DogSerious Год назад

Hawaii has always had a serious crack problem!

@confuseatronica Год назад

I like the roads they have by the volcano zone that go mostly straight, then do a little jog to find a way to cross a blocked area and then go back. Similar but different cause to the small roads and trails crossing the San Andreas Fault that go straight and have a little jog over the fault where they keep fixing the road as it moves.

@sim-sam Год назад

Thanks for the explanation. I do have a request: Volcanic activity in Switzerland - is there any at all? BR

@cyndikarp3368 Год назад

Thanks. It's a Rift Zone. Hard to find on USGS. I have been looking for more information on Hawaii Big Island's Great Crack.

@unclemikecruz Год назад

Good topic.

@BrianBeau Год назад

Could you talk about the Hilina slump? What risk is there of that collapsing into the ocean? Isn't that right around where this rift zone is located?

@barbraallbritton4222 Год назад

I’ve hiked along the Great Crack many times and it’s an amazing area. There’s a fresh water spot that’s quite cool and our destination was a small secluded, hawksbill turtle nesting beach. ❤

@adriennefloreen Год назад

But if there's a big enough eruption like one that previously caused parts of Hawaii to fall off into the ocean wouldn't it be most likely if would break off along the existing crack? In my experience things that are cracked tend to eventually fully break along the crack.

@mike79patton Год назад

Could you please do a video on the Palouse region of Washington state? It's there as a result of the Missoula flood.

@Lisssssard Год назад

Was just reading in the news about the Earth's core possibly rotating the other way. Would love to hear your take on that and any possible implications for future volcanic and seismic activity. ❤️

@mariashaffer-gordon3561 Год назад

I'd heard that it was rotating more slowly, but not that it was going in the other direction.

@Lisssssard Год назад

@@mariashaffer-gordon3561 the study suggests that it could be reversing (it happens cyclically). But I'd love to hear his opinions about it.

@cherylb6755 Год назад

While waiting to hear from GeologyHub, StarTalk here on RU-vid did a video on this about a month ago.

@jujubox04 Год назад

Can you cover the volcanoes in New Mexico? I would love to see anything: the valles caldera, the active volcanic fields in the south of the state, or the shield volcanoes in the north of the state!

@thatidiot346 Год назад

ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-jYzVO_qHiQA.html

@thatidiot346 Год назад

That is the link to his video on the valles caldera

@michaeldeierhoi4096 Год назад

This channel has covered several volcanoes in New Mexico in the last year so yes check the link.

@dragonfly424 Год назад

Was just there! It really was a site to see, Kilauea at night that is.

@loisraymcinnis6006 Год назад

THANK YOU.

@bradleyjanes2949 Год назад

I love a big crack😳😆great video thank you

@gsmith4295 Год назад

I am no geologist but I do know that the Hawaiian islands just like other volcanic islands have a tendency to have massive landslides. Given the fact that the big island has grown to be the biggest mountain on earth, its still growing and has a lot of volcanic and geological activity, it shouldnt be a surprise if one day a large portion of it falls into the ocean from all that geological activity and gravity. I doubt anyone really knows if it will be from this crack or not but im willing to bet that one day in the future a chunk of that island is going to break off.

@erlienfrommars Год назад

Sorry I just can't stop giggling.

@michaeldeierhoi4096 Год назад

Yeah we were all wondering what was going on. Why is that person giggling so much over there?!?!

@theenchiladakid1866 Год назад

Can you do a video on other rift zones

@anthonyloconte7835 Год назад

The 2018 quake had to have effected the crack in some way. As the dyke propagated towards Puna, the pressure popped a section of that slab sideways and out to sea. So wouldn't the crack have expanded in some way in 2018? Another question is what was the most significant land rise or drop leading up to the 2018 eruption as the dyke propagated?

@wiredforstereo Год назад

If you're talking about the same crack, no, the Great Crack is in the Southwest Rift Zone, the 2018 eruption was in the lower East Rift Zone. The cracks in the east rift zone have largely been filled with lava of late. So yes, if there weren't lava, there might be a crack there. Also, as the pressure is released, the surface settles back down and the cracks can largely close. The greatest crack would be caused by a magma intrusion that doesn't cause an eruption.

@anthonyloconte7835 Год назад

@@wiredforstereo thanks for that reply.

@lavapix Год назад

Modern times. November 27, 1975. A magnitude 7.7 (revised 2018) earthquake. Halape. 11.5-foot subsidence of the shoreline.

@hazharibo7439 7 месяцев назад

What part of America is your Accent from pal ? Good video btw

@bristleconepinus2378 Год назад

I used to do a lot of hunting mauka of the Kau crack, up in Kapapala Ranch...I have had dogs fall into large cracks up there as well (some w/ steam) and have had to find them and fish them out...that whole side of the mountain is stretching away to makai.

@gregalbert4033 Год назад

Famous last words... What about the East side of the island to the north? That was a massive collapse...

@ChemEDan Год назад

Chicago: We have the greatest crack in the lower 48 Hawaii: Lower 48 but not the entire country

@Not_all_as_it_seems Год назад

Nice, informative vid yet i have 2c to spend on this It is best to consider a large, deep crack as a weak point, especially as the ocean side is very steep. It is nice to say that it will never fully release & create a decent tsunami, yet in all honesty, how do we really know? To put faith in the fact that past ,large eq;s have not dislodged it does not mean it will not go. It may only be waiting for the rift to be loaded with magma & a sizeable eq to occur at the same time. We do have a global uptick in volcanic activity along with many historic, large fault lines now being overdue. it is better to consider *the great crack as a sleeping giant with major potential. I do understand that our technology & knowledge is always increasing yet we are still in our infancy when it comes to completely understanding & predicting volcanic eruptions & magma movement. It is easy to feel that we are under estimating what is really going on. Globally, we are in a season of major change, some of the volcanoes mentioned in the vid, erupted during earlier 12,000yr cycles. A cycle which is also ending soon. The mag poles are on the move which will create more stress on our plates, & the sun is changing (studied by nasa since the 80's) which has changed the weather on every planet in our solar system, incl ours & we are overdue for another Carrington type event. The dices are loaded & ready to be rolled, the recent 7.8mag eq & the 400+ eq swarm which followed is forming a new fault line that joins two existing fault lines together, this has never occurred before. You cannot study only volcanism & ignore tectonic movement & visa versa. It is very important to learn to follow the S & P waves as they travel around the world & understand what it all means.

@sweetlandsheatingcooling9039 Год назад

Thanks for explaining why it is not going to split off and go into the ocean.

@ripleyleuzarder630 Год назад

In 75, there was a Ski org., that would fly you to, the big Isl., and take you to the Mountain Observatory area(I believe) for a day on the slopes. I was @SSN652, in Pearl until Aug75. Funny thing I haven't seen any snow in the news for many years.

@lavapix Год назад

It snows every year. It's snowing right now. This storm might last several days and if so it will leave a few feet or more on both peaks. Depends on the winds too.

@WendysCove Год назад

Now which crack is the worst crack?

@OpenRoader Год назад

Can you cover the January 9, 1857 earthquake along the San Andreas Fault in the Frazier Mountain area of California?

@eringemini7091 Год назад

For the video to say that this area of the Big Island is NOT an area breaking away,( maybe not in the immediate future, or in our lifetimes), but, I beg to differ. There is evidence that a Megatsunami has hit Hawaii in the past. Up at heights of 3000 feet there are flotsam & jetsam created by a massive wave depositing this organic material (seashells/corals, etc), to the tops of mountain cliffs. The Tsunami was caused by a massive landslide ( like, say this 8 mile long crack that is already at the seashore, completely breaking off by a giant earthquake or volcanic eruption). Info from University of Hawaii Geologists interviewed by "Civil Beat." btw, anytime theres an Earthquake in Hawaii of any substantial size, we pay attention( of course also to all the other Earthquakes that could do us in), I don't know how many times in my life I had to evacuate due to threat of Tsunami. One time in the 70's for 3 hours with my bickering, totally bummed out family(lol)! Luckily, it was just a foot in height. But, its those pieces of the Big Island that will and are going to be a disaster on the same scale as the Tohoku Earthquake & Tsunami for the residents of Hawaii. My Geology instructor said its a reality that is not discussed because of the visitor industry & storefront Real Estate. Any locally generated Tsunami would give us zero time to evacuate.

@mayanksharma7396 Год назад

Krakatoa is erupting from many days can you give update on that

@BurchellAtTheWharf Год назад

The island with the crack is growing, that's why there is a crack. you look at the Atlantic ocean, and there's a great big crack running down the middle of it as crooked as it may be, but the ocean is growing same as the island is growing even though the Pacific ocean is shrinking

@cocogomez1987 Год назад

I don't know, I mean, geology hub is so weird, he just, you know, came up to me and started talking to me about crack. Say crack again. Crack

@HagiaSophia1952 Год назад

Is there not a similar 'great crack' on the Canary Island of La Palma? I remember a documentary which pointed out that ALL volcanic islands are, inherently, unstable; and that the sheer weight of extruded material can cause them to become 'top-heavy', resulting in massive landslides into the abyssal depths, and the possible generation of huge Tsunami. The island of La Palma also has an unusual 'vertical' geology of plates of permeable, and impermeable rock, standing vertically, and lending an added tendency to 'slump'. I think there is evidence of past slumps all around the Hawaiian Islands, on the ocean floor.

@kevinanderson5658 Год назад

Lol cracking job mate lol 😆 🤣

@mitchfountain6523 Год назад

OK, what made that line with a curve in it at 2:59??

@lavapix Год назад

Jeep road to the ocean. Private property to access.

@mitchfountain6523 Год назад

@@lavapix That's funny. I thought it was a close up (two feet away) of the rock surface! Thanks so much.

@BurchellAtTheWharf Год назад

Video idea, The Canso Causeway, in Nova Scotia, Canada between the mainland and the Cape Breton Island(s) (fun tidbit- Cape Breton Island is actually made up of several smaller islands, some say 7 others say a dozen, I suppose it's how you look at it, and there bee an ole Chinese/Vikings settlement on-top of Kellie's mountain, and John Cabot landed on a beach there's in 1457 I think or there abouts, and where he landed there is a telecommunication s cable that RNs from that very beach to St John Newfoundland

@shadowhenge7118 Год назад

I really feel like the crack is a potential oceanic landslide. If it cleaved the entire mountain there... it eould be very bad.

@CraigTalbert Год назад

Compare this to the good craic you find in Ireland.

@relwalretep Год назад

Irish craic is best craic

@rwthesketh Год назад

What about the Hilina Slump?

@AvgDude Год назад

That’s gonna make a monster tsunami when it finally breaks off.

@didierdebaere7193 8 месяцев назад

Ascencion and Tristan da Cunha please

@borisbeloudus2691 Год назад

I thought the crack formed when a shallow lava tube under a lava field drains away and emerges through earthquakes, erosion or heavy rain?

@bettyswallocks6411 Год назад

Until now, I thought The Great Crack was a good night out in Dublin.

@dorecannon2851 Год назад

The underwater Cliff face of the southeast Rift Zone has already failed and the debris field is massive. The underwater Cliff face of the Northeast riftstone has not yet failed. The underwater Cliff face of the Northeast Rift Zone is over 15,000 feet high.

@I_SuperHiro_I Год назад

Why is this weird? There’s tons of seismic activity around volcanoes.

@dmsdmullins Год назад

If I had to guess, the explanation would be the ground is broke. Maybe the front is gonna break off....

$@fractalnomics$

@fractalnomics Год назад

1:15 Does anyone know if the hot molten rock in the image radiates heat under water? Would you feel its radiation if you were near it under the water? I think not.

@ryanwatterson4038 Год назад

It causes the water to flash to steam, steam takes up far more space than water so it causes explosions, also the steam created can have hydrochloric acid in it, definitely not something you'd want to be near

$@fractalnomics$

@fractalnomics Год назад

@@ryanwatterson4038 "under the water" I have seen images of it glowing red before it solidifies.

@ryanwatterson4038 Год назад

@@fractalnomics cool, I'd imagine the water would be real hot within a distance, and if a current carried the extremely hot water fully in your direction it would be extremely bad

@danielskomp9072 Год назад

The sea water boils, so my guess is yes!

@susanyoung6579 Год назад

I suspect infrared radiation doesn't travel very far through liquid water but I am just guessing. Water vapor in air does a good job of absorbing infrared radiation though that's not necessarily the same for liquid water. No one has answered your actual question yet. Convection is separate from radiation.

@lonniegrover9053 Год назад

Questions. Can it explode like Tambora?

@michaeldeierhoi4096 Год назад

No Hawaii does not have the kinds of volcanoes that explode with that kind of force. The volcanoes on the big island are shield volcanoes which produce lava of low viscosity. As opposed to the stratovolcanoes which can be potentially explosive though rarely to the degree of Tanbora.

@Chompchompyerded Год назад

The Great Crack must be irresistible as the butt of jokes.

@ronski. Год назад

Tyrone Biggums would be proud.

@MotherNature26 Год назад

Have you heard of the issue at Red Hill on Oahu? Just curious if you look into water tables and how geology affects them and in this case if fuel spilt by the navy poses a risk to the entire island of Oahu.

@robertkaes8020 Год назад

Come to Idaho. That's cool it's a canyon in the making.

@S-T-E-V-E Год назад

Part of me really wants to see it fall into the Ocean like Oahu just to see the spectacle! Don't hate me, you know you want to see it! 😂

@wiredforstereo Год назад

That would result in the deaths of millions of people, so no. I don't want to see it happen.

@S-T-E-V-E Год назад

@@wiredforstereo There's always one! 🙄

@wiredforstereo Год назад

@s-t-e-v-e2824 Yeah, and there is a never ending supply of you normies that give the human race a bad name.

@michaeldeierhoi4096 Год назад

@@S-T-E-V-E I hate you for saying that!!! 😠

@michaeldeierhoi4096 Год назад

@@S-T-E-V-E 😂😅🤣

@tdw5933 Год назад

Indonesia Mud Volcano, looks like a helluva mess, and do an item on it!

@rentechpad Год назад

While it's true the great crack or other long cracks do not mean the island is about split apart cracks similar to it on older islands in the chain have been the site of where landslides have started as erosion and seabed movement have destabilized the area. The Nu'uanu slide where a great part of O'ahu, about 200 km, broke away on the eastern side of the island spilling a debris field into the ocean for hundred of kilometers along the seafloor splitting the Ko'okau volcano through it caldera. This split, which occurred 1-1. Million years ago may have partly been along a rift zone but this breaking away of the above the water part of the island left some signs that there had a large crack caused my ancient movements of lava and expansion and contraction of the large island formed in part by the Ko'olau volcano back when O'ahu was part of the conglomerate island Maui Nui and it was the primary land mass over the hot spot that now feeds the volcanos on the large island of Hawaii. As the earth's crust carried Maui Nui to the north west away from the Hotspot and new seamounts were firmed by eruptions that later became the volcanos making up the big island of Hawaii, the conglomerate island of Maui Nui did separate into many if the separate island we know today such as O'ahu and Maui. There are at least 17 known great landslides off many of the islands of Hawaii, and actually are part of the destruction of the islands created over billions of years of activity of eruptions caused by the Hotspot the big island now sits over. As islands were formed and grew because they had an acti e volcano, once they were moved along the seabed and away from the source of magma, the volcanos that formed them became doesn't and then dead and the island they formed was then at the mercy of erosion from the weather and the ocean. There a remnants of islands formed along the seabed when it was over the Hawaiian Hotspot in a lobe going northwest all the way to Kamchakta in northeastern Asia. The big island of Hawaii will eventually move far enough to the northwest that it's volcanos no longer are fed magma into the islands volcanos and by then some if the seamounts we know are islands in their infancy may raise up out of the pacific and start forming a new Island or add themselves to the mainland of the big island but this will be the start of the destruction of the big island as the volcanos no longer getting magma into their systems will cool, usually causing caldera collapses and eventually erosion in the great cracks seen now will be the most likely places to see splits where land breaks loose to fall into the sea, the big island may well break up as Maui Nui did into subsequent smaller islands as it marches o as many great islands before it until it just part if the underwater ridge tracing its way to Kamchakta. It will be millions of years before those great cracks seen now in Hawaii do play a role in breaking up the big island or causing part to separate and slide into the sea, so while it's not a risk now it very well could be in few million years.

@blakespower Год назад

same thing on Mars that Huge canyon was a giant LAVA tube from the nearby volcanos and after the lava stopped the roof of the lava tube collapsed forming a canyon

@t.c.2776 Год назад

So pleased that the Government Geologists are so positive about their "Theory"... LOL...

@michaeldeierhoi4096 Год назад

And I suppose you can suggest a more reliable source on the subject??

@michaelhayden5264 Год назад

Is it likely that the Big Island will eventually split in two?

@michaeldeierhoi4096 Год назад

As Tim stated the is very little possibly of a part of Hawaii subsiding into the ocean. If there was any such likelihood of part of Hawaii splitting he would have mentioned it as would other sources.

@lgbfjb7160 Год назад

Tyrone Biggums is for sure on his way to Hawaii after this.

@MNDrummer Год назад

I once new a girl who's nickname was the great crack. Never understood why.

@SrNaitabes Год назад

Tell us the geologic story of sinkholes around the world please

@Freddie_Dunning-Kruger_Jr. Год назад

1:41 ❤️ it

@shacklord Год назад

Pu'u o'o used to have lava fountains up to 1,500 feet high.

@rhuephus Год назад

??? 1,500 FEET HIGH ??? exaggerating a bit, are you ?? that would be about the height of a 15 story building ..

@shacklord Год назад

@@rhuephus sorry guy maybe 450 meters sits better with you. If no, then google um' braddah.

@wiredforstereo Год назад

@@rhuephus That's not even the record. Kilauea Iki did even better. Then Mount Etna dwarfs them all with nearly mile high lava fountains in 2021.

@secularsunshine9036 Год назад

*Let the Sunshine In...* thanks

@timmccarthy872 Год назад

You've got a new viewer named Big Rooster on a video about a big crack and you expect us NOT to crack wise about it?

@joshmitchell2775 Год назад

Oderus Urungus from Gwar loved Great Crack!

@SovereignTroll Год назад

The entire West Coast will face 40 meter waves or larger from the largest landslide that man will see. The "great crack" on the largest mountain in the world, Hawaii.