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Strange Lava Squeeze-Ups and Explosive Eruptions of Kings Bowl, Craters of the Moon, Idaho 

Shawn Willsey
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Explore the odd volcanic landscape of Kings Bowl, part of the Great Rift in Craters of the Moon National Monument in southern Idaho with geology professor Shawn Willsey.
*Note: this is a compilation of two 2021 videos that were launched when my channel was just getting started. I'm editing and resurrecting some of these videos and reposting for the numerous subscribers who likely missed them.
Support these videos! Leave a "Super Thanks" by clicking on three small dots to right or you can send support via:
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Shawn Willsey
College of Southern Idaho
315 Falls Avenue
Twin Falls, ID 83303
GPS location: 42.94972, -113.21660

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25 дек 2022

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Комментарии : 206   
@shawnwillsey
@shawnwillsey Год назад
You can support my field videos by going here. Thanks! www.paypal.com/donate/?hosted_button_id=EWUSLG3GBS5W8
@micheleupchurch3725
@micheleupchurch3725 Год назад
Thank you! Fascinating!💖
@firehawk46064
@firehawk46064 Год назад
I'm curious about your thoughts about the theory that the Earth is Expanding.
@firehawk46064
@firehawk46064 Год назад
this--> ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-3HDb9Ijynfo.html
@fairyeyes04
@fairyeyes04 Год назад
Loved having him as a professor. And why I still watch to this day.
@kayakangler7683
@kayakangler7683 Год назад
It would be awesome to see an animated rendition of what this landscape looked like during the eruption phase. Keep up the great videos. I’m really enjoying your work!
@awakened5574
@awakened5574 Год назад
I live in Idaho and have been in the area, but never at this location. Craters of the moon is a phenomenal site and kind of helps people understand what happens during these kind of eruptions. Great information and enjoyed the tour!
@brushbum7508
@brushbum7508 Год назад
Thanks for the look at this. Merry Christmas from Homedale, ID. TAKE CARE..
@MrFmiller
@MrFmiller Год назад
That is the most comprehensive video I have seen of Kings Bowl. Definitely on my must visit list. Thanks Shawn.
@laurafolsom2048
@laurafolsom2048 Год назад
Love your videos! I found you because I watched Nick Z. Thank you for making the journey into geology so interesting. Funny rocks got exciting when I hit my 60’s, boosted by news being so intolerable. 😂 Thank you for all the hard work. It is appreciated!
@shawnwillsey
@shawnwillsey Год назад
Welcome aboard!
@sonnydayz2118
@sonnydayz2118 Год назад
I love u!
@GentlyUsedOreos
@GentlyUsedOreos Год назад
I've been dying to go to King's Bowl! Such a geologic wonder!!!
@moonshiner5412
@moonshiner5412 Год назад
Camped at the camp ground at Craters of the Moon around 1990 with family. Stayed a couple of days and wandered just about every where they allowed you to go. Was back there in the summer of 2020. Still fascinating!
@kennethsmith8844
@kennethsmith8844 Год назад
At the lake there are large mouth bass and yellow perch. We would from a canoe. Also fishing through ice.
@surgery6865
@surgery6865 Год назад
allowed u to go ?
@ronjlwhite8058
@ronjlwhite8058 Год назад
Been watching a lot of your vids and also Myron Cook's vids and I tell you what...Absolutely love both channels!!! A collaboration would be SWWEEET!!!
@EricRush
@EricRush Год назад
Another excellent geology channel is Nick on the Rocks ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-PMeFXD3rJKY.html
@shawnwillsey
@shawnwillsey Год назад
We did email each other. We also went to same grad school: Northern Arizona University.
@ronjlwhite8058
@ronjlwhite8058 Год назад
@@shawnwillsey Oh awesome!!! Hope that works out. I messaged Myron mentioning you as well. Looking forward to seeing that one day and hearing the discussion.
@harrywalker5836
@harrywalker5836 Год назад
@@shawnwillsey read other comment.. anyhoo. nanmadol..vesticles. cut from top of volcano, to build a city on marsh,coral. interesting story from the natives..allways amazes me, all the volcanic eruptions, over millions of yrs, spewing onto the surface, makes you think theres hell cavities in the earth. wheres the material come from, if the earth is getting bigger, the centre is getting hollow,er..or is it like mixing a clay ball, same material just different positions. like bread doe. other story of pompii,,it was purposly buried..both cities.. & fyi, dino, did not die out 65 m yrs ago, or we, wouldnt be here, iether. why do they hide the caves in the grand canyon, upsets the mainstream bs id say..allways been interested in vulcanology, space,ect.. but, i find a lot of bs going on..great vids, 👍🦘. ausie..
@debraday5682
@debraday5682 Год назад
This was just like being back in college for my geology field trips! Loved it! Thank you.
@mawi1172
@mawi1172 Год назад
I love this guy. ❤️. Thank you so much for taking me here. You incredulated me! ❤️❤️❤️ I saw incredible after incredible. Those layers were mind blowing, all dried & separated, WOW! But that very last shot! We'd all love to have that pattern to decorate with! ❤️❤️❤️❤️ Just stupendous!!! ❤️
@goldfieldgary
@goldfieldgary Год назад
Every so often I stumble across something very worthwhile and fascinating on RU-vid! Thank you so much for this short yet highly informative video, I've been to Craters of the Moon but I think I'll visit that area again and spend a little more time!
@patrickcampbell4504
@patrickcampbell4504 Год назад
The landscape really comes alive with your details, thanks!
@dawnademarco3482
@dawnademarco3482 Год назад
I'm so grateful for your videos.. you have made me an absolute geography nerd! I just am so captivated by your teaching!! ❤thank you
@shawnwillsey
@shawnwillsey Год назад
Much appreciated. Glad my style suits you.
@thekambIer
@thekambIer 8 месяцев назад
Watching lots of these lately =) I’ve always loved geology but he makes me love it even more
@shawnwillsey
@shawnwillsey 8 месяцев назад
Glad you like them!
@helenpatterson3858
@helenpatterson3858 Год назад
Was there the night before that fantastic solar eclipse back a few years back. OMG, I can't put into words the beauty of the night sky with no light pollution. Those black expanses reflected no light and the new moon made the stars so bright and it seemed like one could travel to the outer edge of the universe with your eyes. You have to experience it to know what I'm saying.
@leebarker539
@leebarker539 Год назад
Excellent video, lots to learn. Drove through C of the M many times in my youth; now the explanations are frosting on that cake. You have a teaching gift.
@shawnwillsey
@shawnwillsey Год назад
Glad you enjoyed it
@johnlaforte700
@johnlaforte700 Год назад
Fantastic information and very informative. Thanks. 👍🌄
@tiffanyannhowe1712
@tiffanyannhowe1712 Год назад
I haven’t seen these! Wuhu! Liked and saved for later. Thanks for the rework and vid drop! Happy Holidays.
@avivapadrutt7952
@avivapadrutt7952 Год назад
Just tumbled over your video. Thank you for sharing. I had no idea that Idaho has such fascinating volcanic history and such geological beautiful sites. Thanks again and wish you a happy new year :)
@Rachel.4644
@Rachel.4644 Год назад
Learning even more about basalt and lava flows, thank you Shawn! Interesting about pipe vesicles..plus seeing the patterns lava can make dripping back on the walls.
@FunkThompson
@FunkThompson Год назад
This whole area is one of those places on Earth that just looks like a whole other planet, love it.
@neilhosler9001
@neilhosler9001 Год назад
I have hiked around craters of the moon. Was fun checking out some of the old lava tubes. Was really suprised at how volcanically active Idaho was in history.
@MichaelClark-uw7ex
@MichaelClark-uw7ex Год назад
Craters of the moon is in one of the old collapsed calderas from the Yellowstone supervolcano hot spot.
@gladysseaman4346
@gladysseaman4346 Год назад
Thank you
@bobbyadkins885
@bobbyadkins885 Год назад
Another great video, out west geology is so amazing to me, all I see around me in KY and WV is sedimentary and all of that is covered in near jungle like vegetation or snow depending on the season lol
@williebeamish5879
@williebeamish5879 Год назад
Love it, "jungle like vegetation"! Can relate. Here in rural se MI too!
@louiscervantez1639
@louiscervantez1639 Год назад
Oh man, great stuff. I like to multi task when watching informative vids - but again had to put my pencil down and just watch. It was also a walk down memory lane - I walked the area when the mammoths were still around. 😂😂 More craters of the moon - please maybe on the west side - didn’t make it there - THANK YOU
@michaelnancyamsden7410
@michaelnancyamsden7410 Год назад
Thank you for this excellent teaching and scenic hike.
@shawnwillsey
@shawnwillsey Год назад
You bet. Thanks for watching and learning with me.
@EvaN-wu9im
@EvaN-wu9im Год назад
This is amazing!!! Thank you for sharing your knowledge 🙏
@grandparocky
@grandparocky Год назад
Thank YOU GREAT JOB!
@woodsmn8047
@woodsmn8047 Год назад
this is interesting to see how much has changed since I was there in the 80's all the rocks and boulders in the low areas were sitting on a layer of ice even in August the ice extended into the floor of small ponds where the snow is there and when you entered the fissure where the snow is you could see the thickness of the ice one layer above the other going down into a very deep pit not far back into the fissure which was closed above due to large boulders having fallen in and wedged above ...Spooky ..!
@BSIII
@BSIII Год назад
Wow, I've never even heard of this place before.
@Anne5440_
@Anne5440_ Год назад
Thanks for this video. I didn't really that this flow was so recent. I visited Craters of the Moon in the late 70s. It is such a fascinating place. That trip was my first introduction to different lava types.
@sherrysilvers711
@sherrysilvers711 Год назад
Thank you for the tour. I would never make it out of there on my own.
@yuwish6320
@yuwish6320 Год назад
What an amazing piece of geology. ty for this.
@NoOne-yt6yf
@NoOne-yt6yf Год назад
Cool stuff!
@vickihubach4388
@vickihubach4388 7 месяцев назад
I love your explanations, you are a wonderful teacher!
@shawnwillsey
@shawnwillsey 7 месяцев назад
Thank you! 😃
@jacobblumin4260
@jacobblumin4260 Год назад
Excellent as usual! Suggestion: move the camera a little more slowly so we can focus on what you point out. Thanks as always!
@shawnwillsey
@shawnwillsey Год назад
Thanks for the tip! This was shot in spring of 2021 and I think I've improved a bit from these early days.
@professorsogol5824
@professorsogol5824 10 месяцев назад
7:53 Interesting shoe choice for ambling around on an old lava flow
@hestheMaster
@hestheMaster Год назад
There is a seven year old video on YT that shows drone footage. It is a spectacular view from that vantage point . Nice going back to this rare place in North America Shawn.
@verdagarner5112
@verdagarner5112 Год назад
I love this video very good information, I worked at the Craters of The Moon for 28: years been to Kings Bowl several time hike down I the bowl once.
@sdmike1141
@sdmike1141 Год назад
Thanks for posting Coach!! I missed the spelling for the word of the day: frigatomagmatic(?) My closed caption interpreted it as Freedom magmatic. I don’t think either is close🤣
@shawnwillsey
@shawnwillsey Год назад
Phreatomagmatic. Sure to impress folks.
@gailjenkins9197
@gailjenkins9197 Год назад
Wow, I actually learned a lot about lava, and volcanoes, that I did not no. The land looks so strange, well I live in Western North Carolina, so of course it looks strange to me. Thanks for teaching, and visiting that park
@jimanderson1589
@jimanderson1589 Год назад
Geology 101!! Thank you. It was informative.
@shawnwillsey
@shawnwillsey Год назад
Glad you enjoyed it!
@humper11
@humper11 Год назад
Your the best! Keep up the great work 👍
@shawnwillsey
@shawnwillsey Год назад
Thanks! Will do!
@shawnariley3087
@shawnariley3087 Год назад
Thanks Shawn, very informative. I really enjoyed it
@daveperryman291
@daveperryman291 Год назад
Incredibly knowledgeable. Thank you. Very interesting.
@shawnwillsey
@shawnwillsey Год назад
Glad it was helpful!
@byronleatham1183
@byronleatham1183 Год назад
Well you taught me some more stuff today I love your videos their places I know about but didn't know nothing about you up to you I appreciate you
@laural3738
@laural3738 5 месяцев назад
Never been inside a volcanic vent. Ammmmazing!
@methylmike
@methylmike Год назад
wow, that is really cool about the raining boulders. ima have to check that out
@joseywilds3133
@joseywilds3133 Год назад
Hawaii is kinda like this spots, and it also had a spout! Good stuff
@JanetClancey
@JanetClancey Месяц назад
I am sooo jealous of your geology wonderland … can’t wait for summer so I can explore in tiny uk 🇬🇧
@MountainFisher
@MountainFisher Год назад
I've seen the video of King's Hole. Very interesting, few geology videos go down into fissures. Top looked like an area to beware of rattlesnakes in.
@Dragrath1
@Dragrath1 4 месяца назад
If its cold enough to support snow I doubt you have to worry about snakes down there they don't like the cold being ectotherms. Still dangerous though!
@mawi1172
@mawi1172 Год назад
It really is! I'd like to visit this place! ❤️
@idsawtooth
@idsawtooth Год назад
Great video! Looking forward to exploring and identifying these features. Thanks!
@GregInEastTennessee
@GregInEastTennessee Год назад
I got my Roadside Geology of ID yesterday. I'm anxious to get back out there next fall and look around some more. Happy new year!😀
@shawnwillsey
@shawnwillsey Год назад
Awesome, Greg. Enjoy the book, the learning, and the adventure of discovery.
@GregInEastTennessee
@GregInEastTennessee Год назад
@@shawnwillsey You'll find this funny. I got the Geology Underfoot book at the Twin Falls Visitor's Center. I was so enthralled when I got to the COTM, I was at their book store and bought it again. My grandson (9) will get the second copy when he gets a little older. I want to bring him out to the PNW to see the volcanoes, ice floods, Sawtooths, etc., when he gets to be a teenager and can appreciate it more.
@scottchase8014
@scottchase8014 Год назад
I wish it was running lava and give Idaho more character looks pretty solid and firm nowadays
@bwc1007
@bwc1007 Год назад
Great video thank you Shawn
@wiggyscott9804
@wiggyscott9804 Год назад
Love your shirt . The best
@CharlesHuse
@CharlesHuse Год назад
The fun part is that this area was/is supplied by the same massive magma chamber that feeds the Yellowstone caldera. And since there is evidence that Yellowstone can go active again, there is a chance that this area of Idaho can become active again as well.
@CharlesHuse
@CharlesHuse Год назад
@Kiwigeo not according to the scans they did a few years ago. That plume covers parts of 5 states. All those different magma chambers are interconnected to the same plume.
@Dragrath1
@Dragrath1 4 месяца назад
This is obviously a late response to this comment chain but from the papers I was introduced to via Nick Zentner's previous A to Z livestream series on the crazy Eocene and Baja BC and the rabbit hole chain of the literature that followed it appears that like Iceland the Yellowstone hotspot had been located along the East Pacific Rise prior to both of them becoming overridden by North America which can be seen in the chemical signature of the accreted oceanic plateau known as Siletzia and Yakutat which are now understood to be two pieces of the former ridge line plateau out in the Pacific ocean. From seismic tomography of the upper mantle the thermal upwelling signature of slow sheer velocity propagation can still be observed below the western US where it ultimately connects the Juan De Fuca Ridge to Yellowstone and the East Pacific Rise as it cuts through northern California, south eastern Oregon, Idaho Colorado, western Texas New Mexico and Arizona in the process with the junction around Yellowstone looking very similar to what is seen around Iceland and the Azores respectively. Notably this pretty much perfectly underlies the Basin and Range and the Colorado Plateau with all the fast sheer velocity anomalies being confined to the north and east of this boundary and the clockwise rotation of the crust being seen along this region and the Cascadia Subduction zone which are both more or less anchored to the East Pacific Rise frame of reference. The consequence of all this is that the Yellowstone plume is not simple the snake river plain remains the easiest outlet for the plume material though the heat flux of the plume appears to be melting through the subducted slabs on the underside of North America and melting/tearing off the section of the former North American craton known as the Colorado Plateau it will probably erupt more lava into Idaho again in the future. The East Pacific Rise is practically a hotspot on its own even discounting Yellowstone as the thermal discontinuity extends deep into the mantle and it is currently the fastest spreading ridge on Earth with a spreading rate depending on location of 6-16 cm (3-6 in) annually. In fact the overlay of recent Basin and Range volcanism is an extremely good fit for the underlying ridge continuous discontinuity with older volcanism matching up with this boundary in time as North America has moved over the ridge. In this newer emerging picture I can't help but suspect that the otherwise mysterious geologically recent reactivation of the New Madrid and adjacent reactivated old faults of the midwestern US might be connected to the strain of this deep mantle structure pushing up against the old North American Craton as it continues to get pulled southwest up and over the EPR/YSHS frame.
@tomjohn8733
@tomjohn8733 Год назад
Interesting, good visual….
@rogercotman1314
@rogercotman1314 Год назад
Regarding the soils that accumulated between separate lava flows. Did you observe the top part of the soil layer to show a burnt appearance from high heat of the upper lava layer flow??? I find this topic so fascinating. 128 like ................... Thanks again Shawn, for all the detailed information.
@stefanmargraf7878
@stefanmargraf7878 Год назад
Thank you, Shawn! I visited the place years before, finally the explanation! One question: why is the vegetation so scarce? Too dry? Not enough erosion? In other parts of the world plants seem to like lava. During my visit, a guy played didgeridoo in a lava tube under my feet! That was a fantastic sound!
@shawnwillsey
@shawnwillsey Год назад
Yes, very dry climate = little soil development = little vegetation = landscape looks similar to when eruption occurred.
@sloboat55
@sloboat55 Год назад
Excellent
@stephenpelletier8947
@stephenpelletier8947 Год назад
Great video. Why so little weathering/vegetation after 2200 years?
@shawnwillsey
@shawnwillsey Год назад
The arid climate slows soil development and vegetation growth.
@toe_moss
@toe_moss Год назад
Thanks!
@ronaldmontgomery8446
@ronaldmontgomery8446 7 месяцев назад
Thanks, good job. I have an interesting question for you to research. In the 1940's when the nucleal research, at Arco was started, they needed to know where the water from the big and little lost rivers was going. They dumped blue and red die into the rivers and were expecting the die to show up at 1000 springs near Twin falls, maybe it did, but 25 years later it came up in Yellowstone park ????? (blue & red = green if they mixed) I knew someone involved with this and I don't think it was ever made public.
@boedude8496
@boedude8496 Год назад
well done, very interesting. went thru there in the early 70s but wasn't too impressed. looks like i will have to pay another visit, with an older but more appreciative set of eyes
@dawnhall5490
@dawnhall5490 Год назад
Do you know how deep the lava lake was?
@shawnwillsey
@shawnwillsey Год назад
Good question. I would estimate it as just a few feet. Maybe 6 ft max based on comparison with surrounding topography.
@johnjunge6989
@johnjunge6989 Год назад
Shawn, cool area, wanted to get by there a few Year's ago but had to change my plans. Great explanation on the various flows. How come there are no Pillows, none of it former under the lake?
@quake_er1149
@quake_er1149 Год назад
Extremely interesting
@GregInEastTennessee
@GregInEastTennessee Год назад
That's really cool (pardon the pun)! Is that what the fissures in OR and WA flood basalts would have looked like when they were erupting? I noted a lack of columns. Is that due to the way it cooled or different chemistry in the basalt? Or is it possible there's columns way down that just hasn't been exposed yet?
@GregInEastTennessee
@GregInEastTennessee Год назад
@Kiwigeo I'm not so sure about that. It sounds a lot like the flood basalts in eastern Washington. We wouldn't know about those columns if it wasn't for the great ice age floods.
@Becksplorations
@Becksplorations Год назад
There's a hidden lava tube cave a few miles north of Kings Bowl I like to visit when I go out there. There's usually a rock rolled over the entrance. The entrance is a drop down a 2' vent (I use a rope ladder), then I think it's about 1/2 mile of lava tube. Anyway, I came across your video because I plan to go out there this summer and make a video and I was wondering if Kings Crater was still open. Lmk if you'd like to meet up and do a lava tube video.
@RIXRADvidz
@RIXRADvidz Год назад
the Malpais in New Mexico have several year round ice caves out of the sun deep enough to keep the water frozen it's weird walking around a day in July and finding the ice cave with it's cold and shade New Mexico is the Land of Enchantment
@lamarl9978
@lamarl9978 Год назад
I have a question. If you go 17 miles south of Kings bowl on Google Earth you can see some striations running sort of east and west. They run from about Dietrich in the west to Terreton in the east and beyond. What caused these marks?
@shawnwillsey
@shawnwillsey Год назад
Nice observation and question. These are windblown deposits of loess (mainly silt sized). You can see them in a few places in the Snake River Plain. The whole plain was covered with them prior to agricultural development.
@lamarl9978
@lamarl9978 Год назад
@@shawnwillsey Thanks
@blauer2551
@blauer2551 Год назад
In Iceland the fissure has filled with glacial water and you can snorkel in it. One side is North American plate and the other is European plate.
@kathleenporter2235
@kathleenporter2235 Год назад
Cool 😎
@thornunia5057
@thornunia5057 Год назад
So cool. I need to check out places in Texas.
@johnnash5118
@johnnash5118 Год назад
Thumbs up Shawn! It’s interesting how a location in the NA Craton (my auto-correct wants to change it to “carton, cartoon or crayon”😄) East of the .706 Line can produce mafic magma despite the felsic nature of the crust i.e., Craters of the Moon and New Mexico Rift basalts, while areas in mafic cordilleran crust West of the .706 Line can produce felsic magma, i.e., Crooked River Caldera, OR. rhyolite.
@jpdunamislodge
@jpdunamislodge Год назад
Cool Chanel 👍🏼
@scottchase8014
@scottchase8014 Год назад
The craters of the Moon in Arizona outside of Flagstaff is one of the places where NASA trained for the Apollo missions.... Nice place to visit so you can understand the ancient ruins around San Francisco peak I've already studied where you're at through Idaho you might be surprised old ancient ruins you'll never even notice really because they're so atomically blown up very few get to see that aftermath of atomic wars......... Past nuclear wars...... Bullhead City Arizona and up out of Flagstaff is where NASA trained for the polo missions to the Moon.......
@yukinoshita5788
@yukinoshita5788 Год назад
great presentation but at first i thought you wore your nasa pj's to the craters of the moon. 👍
@larrygerfen2801
@larrygerfen2801 Год назад
Why aren’t we seeing more active volcanic activity today in us? So much evidence of volcanic activity in the relatively recent past in multiple spots.
@annraczok670
@annraczok670 Год назад
Wow, interesting, squeezed molten lava coming up in Idaho? Know what else is coincidentally interesting?... that the Idaho lava is at King's Bowl... and the U of I murders were at 1122 King's Road. Are we doing the Apocalypse angels' BOWLS yet ? I don't know... too weird. Great report, BTW... thanks.
@andreawashnak630
@andreawashnak630 Год назад
Interesting video!!! Has anyone interviewed native Americans, on what has been included in their history???
@Liz_678
@Liz_678 Год назад
Interesting 🧐
@tomolson1320
@tomolson1320 Год назад
We have the same in Northwest Arizona!
@shawnwillsey
@shawnwillsey Год назад
Yes, indeed. Very similar features in San Francisco volcanic field. I went to NAU for grad school so I am familiar with it as well. I also did a video on SP crater that you might enjoy: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-s-z2-dBFoDI.html
@tomolson1320
@tomolson1320 Год назад
I knew it! I graduated from NAU in 1999! I recognized you name! Dr. Nations was my Professor!
@shawnwillsey
@shawnwillsey Год назад
@@tomolson1320 Very cool! I graduated in 2000. Grad research in Baja and Paul Umhoefer was my grad advisor.
@Hadassah-KaquoliMReno
@Hadassah-KaquoliMReno Год назад
Wow!
@davidzuleger6077
@davidzuleger6077 Год назад
Ever watch Nick Zenther from Washington State? I follow him. Glad to see you are in the field. You got my attention too. Is this area still active??? Meaning...is there still magma down there someplace???
@shawnwillsey
@shawnwillsey Год назад
Yes, I know Nick. We were on a Hells Canyon trip together a few years ago. Snake River Plain is considered active but no evidence that magma lies in subsurface. Rather, magma may get generated and rise in future due to Basin and Range extension and prior passage of this region over Yellowstone hot spot.
@marteck319
@marteck319 Год назад
I noticed that the ground was smooth on the other side of kings bowl from where you were standing with few boulders or rocks. The explanation for that if you have.
@shawnwillsey
@shawnwillsey Год назад
Good observation. So apparently the east side of the "bowl" is largely devoid of any large boulders blasted during eruption because locals pushed or moved them into the bowl. Note the east side has road access.
@branni6538
@branni6538 7 месяцев назад
Hi Shawn, if you can smell sulfer coming out of a river bed with pumice stoner that exact location, is that an active vent? I remember finding this possible vent in a place called Borrodale in England which was an active region along time ago.
@shawnwillsey
@shawnwillsey 7 месяцев назад
No because sulfur is present in many other rock types.
@cpierce3277
@cpierce3277 Год назад
Makes me wonder if the pressure forcing the last eruption was dissipated toward another crust fracture.
@richardrobertson1331
@richardrobertson1331 Год назад
I suspect the explosive ejection of rocks that occurred when ground water mixed with the magma was aided, in part, by some of the water actually being broken down into oxygen and hydrogen due to that tremendous heat, then the hydrogen exploding by that same heat. Too bad the indigenous people that may have witnessed this had not develop writing skills so we could have an eyewitness account of it today. Two thousand two hundred years ago is almost like minutes ago, geologically. Thanks for an interesting video.
@kennethsmith8844
@kennethsmith8844 Год назад
😅near Idaho Falls I found a big hole( bubble) that was maybe 10 feet deep and maybe 8 feet diameter opening. An animal could have fallen in . Looked like it might have been a bubble
@rogergoodwin5533
@rogergoodwin5533 Год назад
Seen this L. flow near Shoshoe area.
@yoyoyohihihidude
@yoyoyohihihidude Год назад
Would these fissures be unlikely to erupt again in the same spot?
@Jack-ne8vm
@Jack-ne8vm 11 месяцев назад
I wonder if heat from an eruption generates thunderstorms & rainshowers... I don't hear of many eruptions in winter; could have been lots of snow on the ground.
@chipworrell6025
@chipworrell6025 Год назад
Why is the fissure not filled with cooled lava itself? I an not clear on that.
@CKLoving
@CKLoving Год назад
Did you just uncover the early development of a newly formed volcano? Is it possible that this is how volcanoes form?
@virgo714
@virgo714 Год назад
Professor… which volcano should we worry that might change our atmosphere temperature?
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