Mega-Tsunami: Lake Tahoe.mov 

When I was 6 years old, I did this in my bath tub... it was total devastation for my sisters cat. The wave slowly built, breached the dam and that little bastard never came into the bathroom again.

One interesting aspect to a Tahoe tsunami is that the lake has an outlet. Each slosh would send a huge flood surge down Truckee River, devastating anyone downstream. Those surges would take water out of the lake so each future slosh would have less water than the previous one, and the lake would settle at a lower level than it was before the collapse. It would refill normally of course, but for a time the water level would be lower.

Great simulation. The only things; the tsunami you’re talking about is not a tsunami, but a Seiche Wave as this phenomenon exists only in small bodies of water, i.e. lakes, reservoirs, etc. and the debris you speak of are rocks and dirt, not blocks.

Thanks for creating!

Very much appreciate your work.

I enjoyed the cute snippy attitude of the text narration.

Amazing computer simulation.

Scary stuff. Well done 👍

... Best regards and congratulations for the great simulation, I see that the program to use is your responsibility, you can get it in some way, through payment ?? Thank you very much...

I'll create a video response that includes a stereo 3D visualization of the Lake Tahoe Tsunami using Steven Ward's data, which he generously furnished for Lake Tahoe in Depth. His Mega-Tsunami video here provides more detail than that earlier version, but the whole movie is a good orientation to science at Lake Tahoe. It is shown at the UC Davis Tahoe Environmental Research Center, Incline Village, in stereo 3D.

Although it is commonly believed that Lake Tahoe was formed by the collapse of a volcanic crater, the Basin was actually formed by the rise and fall of the landscape due to faulting. About 24 million years ago the Sierra Nevada block was formed by tremendous uplifting. Two principal faults evolved: the eastern margin created the Carson Range, while the Sierra Nevada developed on the western side. From the "up thrown" fault blocks, the highest peaks in the region originated while the "down thrown" block sank creating a large valley. Lava flowing from Mt. Pluto on the north shore, then formed a barrier or dam across the Basin's ancestral outlet, the Truckee River. Water from snowfall and streams flow into the Basin, gradually creating a lake several hundred feet higher than the present lake. Eventually a new outlet was eroded from the lava dam creating the present path of the Lower Truckee River. Following the faulting and volcanic period of the Basin, an Ice Age developed. Huge glaciers formed and moved down the V-shaped canyons on the western side of the lake. These glaciers scoured away loose rock and reshaped the canyons into broad U-shaped valleys. The rock and gravel left behind at the sides and end of these melting glaciers are called moraines. As these glaciers melted away, they also left behind brilliant bays, jagged peaks, glacial polished ridges and crystal clear lakes.

Can't stop watching these videos they are great 😊

Watching this, I feel like going swimming now

Actually Mt. Pluto made that debris when it errupted due to 2 earthquake faults besides the lake over 2 million years ago. :)

it would be neat to use Unreal Engine 5 to create a more photoreal depiction of what happened.

Large displacement causes a seiche.

Great video… Really good work that you put into this thanks for the post

A narrator would have made this soo much better

There was a landslide in Alaska in the 50s above the lake. Waves wiped out trees up to 100' height, all that left after all those years is Alder trees where pines used to be. Source National Geographic.

You don't want to be on the south shore if that happens again.

Lake Tahoe was filled by a guy with a garden hose. Legend has it of course.

If the mega tsunami happens, the lake will once again be uninhabited

Not all that big of deal prior to humans putting structures all around Lake Tahoe. Guess will just keep enjoying it as it is.

I hope that The Authorities are aware, that something like this could happen again, if the geologic evidence, likelihood still remains. If there is enough lead time, then a massive evacuation is obviously required. Let's HOPE that it isn't during the height of an impressive ski season, when The Basin's population is swollen upwards of a million souls. An event like this would take out ALL the cities ringing The Lake, reaching Christmas Valley, which runs up to Luther Pass, and, on the other end, the wash would race down the canyon, taking out the base communities of Alpine/Squaw, then to threaten Truckee, I-80, and Donner Lake. Probably, it would take about a hundred years, before all the debris is cleaned up; infrastructure reinstalled; and, for people have the heart to move back in. Perhaps Reno/Sparks could experience damage, too?

Thank you for sharing your strategy sire.

Just a matter of time! Always is!

why is this in my recommended

Nice graphic

Awesome! Thank you!

A really well-done video marred by failure to understand that "lay" is the past tense of the verb "to lie." 0:30 Should be "Massive blocks lie scattered across the floor." Otherwise, nicely presented. Really appreciate the absence of melodramatic music.

Port of Los Angeles CA. Please :)

If debris traversed the whole lake you probably have underestimated the shove, and the waves height and power. Deafening

I had a similar dream about this except mines was in Oakland. It was soo crazy

whoah...

"Uninhabited" humans are so dense.

If this tsunami occurred today, asides from annihilating the entire coastline, the city of Reno would likely be flooded too. I don't know how much, but I'd assume that it'd be pretty devastating.

The occurrence of stoms,rains,ice, and floods at times and in unexpected places, is sill under control or balance... But about earthquakes, volcanic eruptions, sinkholes, tsunami, dry lakes and rivers, flow of water from the mountains and hills,explodeand of eyes water from the ground, formation of new mountains or islands, collaps of mountains ,and cracks on ground,they are out of control or balance... Yousif A Tobiya Forcibly displaced

Rubicon is the next to go!

I've been told for decades that tsunami's travel at almost 400 miles an hour, how the hell does it take 5 minutes to cross the lake? Is it something like 35 miles wide?

This was great.

Seiche...not tsunami.

CAN'T READ THE WHITE LETTERS OM THE LIGHT BACKGROUND...HOW ABOUT BLACK LETTERS THAT CAN BE READ...THX

I almost fell 😴

Wait I thought this was fortnight from the thumbnail

wow

Jesus.....around 70,000 people live in the Tahoe Basin, and they would all have about 5-7 minutes to book it.

damn piranha always causing trouble out there .... joking aside nice video!

The longer it's been since the last tsunami event the sooner it is to the next.

this 27 Jun 2013 is same as avicii wake me up

I couldn't hear the audio, very interesting tho........

As big as it woze, a lake tsunami isno a real mega tsunami. Gotta have an ocean wave for that.

Isn't a mega tsunami like 1000 or more feet high such as Latoya Bay, Alaska, tsunami in 1959 and the main reason it's called a * MEGA * tsunami? 50 meters is barely higher than the Japanese tsunami (124' highest run up), not that it was small by anybody's description. Or is the bay tsunami what you call a huge super ultra giant enormous tsunami monster? I'm confused. ;-) Just kidding. Not confused. In fact, since this is in a lake, it's called a seiche. Yeah, this isn't even a tsunami since it's not a harbor wave from the ocean or sea. It's mistitled. It's a seiche. See below. A lake wave similar to a swimming pool wave like in an earthquake. seiche sā(t)SH/ noun A temporary disturbance or oscillation in the water level of a lake or partially enclosed body of water, especially one caused by changes in atmospheric pressure. I know. I'm one of those fact checking fuckers that ruins everything for everyonee who doesn't like facts. Awww.

Wanna make a sunnami, detonate a large bomb or nuclear or bunker buster and you have a ............., yeah .

I live here

Why show this now? Is someone planning to duplicate this and call it a natural occurrence?

Ya .bodies standing up. Dead circus elephant fell in. Tessies between 25 and 40 feet long. Dude. Drowned himself .tied himself to his boat. on island.

The new effects of climate change: Water levels continue to drop at lake Mead,Powell&Colorado river basin,which feeds the two reservoirs has been drying out over the last two decades... These phenomenons because of the end of the second theory of climate change and global warming(dynamic vertical movement ),dry lakes and rivers has a bad results on climate change... Yousif A Tobiya Forcibly displaced

Nice visual. It is in no way a "mega-tsunami" because the volume of water that can be displaced at once is limited --> depth not enough --> large tsunamis happen when movement occur in deep parts of the ocean/water body.... but nice visual.

Thank you - Good to know.

Is it also in a vulcanic zone?

lol, 5 minutes

The lake over spilled.. it's not a tsunami.

*Keep Tahoe Brown*

You need some milk

To whomever made the comment; the earthquake in Alaska you are referring to made a tsunami wave 1,500 feet tall! Not 100 feet tall. A whole side of a mountain fell into an inlet. The biggest wave ever formed on earth, anywhere! Or so they say!

wat is lake tahoe? Echt niet iedereen kent dit hoor. Beetje vreemd geformuleerd

I soooo would have surfed that 50m wave and then I wudda just stepped off my surfboard on the other side of the lake on to dry land and I wouldn't have even gotten wet. Well, maybe. Then, the only problem is, I'd be 40,025 years old now so I don't even know if I'd actually be posting on RU-vid. I'd more likely be concerned about my FeedingTube.

????????????

What program do you use?

Pluu'toa the walking mountain woke up a few times....ASK THE ORIGINAL PEOPLE...THEY ARE THE ONES TO TRIED TO HELP DONNERS!!!

Y'all better be digging for fossils between the 40,000 line

Lake TOUHOU 😂

Whatever... Lituya Bay holds the record for the highest wave with 524 meter and this is named a "Mega-Tsunami". If you need some sources, google for "Lituya Bay" and you will find. "The giant wave runup of 1,720 feet (524 m.) at the head of the Bay and the subsequent huge wave along the main body of Lituya Bay which occurred on July 9, 1958, were caused primarily by an enormous subaerial rockfall into Gilbert Inlet at the head of Lituya Bay, triggered by dynamic earthquake ground motions along the Fairweather Fault."

beep

Let me save you five minutes. Dirt fell in, and muddy water squished all over the sides of the big puddle.

Who is here after reading about a tsunami risk in lake tahoe?🧐

I wish it would happen again.

*cough* flood *cough*

big wave

Seriously? 50 meters in height is 164 feet!!

Hogwash!

Most people don’t know tahoe lol

No no no not true

bro those aren’t rocks at the bottom they’re bodies smh

Three theories or forces dominate or control upon the planet of the earth... First:The force or theory that dominates upon the atmosphere is the end of the of the first theory of climate change and global warming (dynamic horizontal movement)... Second:The force or theory that dominates upon Tsunami,earthquakes,volcanic eruptions,sinkholes,dry lakes and rivers,flow of sweet water from the bank of dead sea, eyes of water explode and spill in the desert of Sudi Arabia, the formation of new mountains or islands,collaps of mountains ,& ,& ,&... Now the number of the earthquakes is more than 50 daily, and the number of the volcanic eruptions, is more than two monthly, &, & ,& ... Third:The water is revolving or orbiting the earth... It's very sorry to say that the earth will be like a planet of Venues... NOTE :The earth has a new orbit... These studies had completed and sent on July 26th 2000... Yousif A Tobiya Forcibly displaced

One thing we can all agree on... Lake Tahoe is the dope smoking capital of the world.

40k years ago it would have been surrounded by glacier

A COMPUTER "SIM" ONLY displayes YOUR initital ASSUMPTIONS...if ONE of them IS WRONG you get the RESULTS of that MISTAKE!!

0:42 minecraft

Nice pixels hiding what can't be hidden. Yeah I know

Never heard of Lake Tahoe. Where exactly is it? Ok, looked it up on Google Maps. Now I know.

164 foot wave in Lake Tahoe. Yea, right!

ASK A WASHO ELDER...NOT IMMIGRANTS...JACQUES COUSTEAU SAW IT AND WE ALL KNOW WHAT HE SAW N SAID...

I live in truckee and make Tahoe it a mile form me so the towns closest to the lake (kings beach Tahoe city etc) they would be obliterated

It's okay with me if the rich people who have blighted Lake Tahoe are all wiped out some summer night.

Right and I still believe in the tooth fairy too

yeah...so?

Technically, I dont think this qualifies as Tsunami. The literal translation from the Japanese is "Harbor Wave" which originates as the rapid displacement displacement of the sea bed. Ocean tsunamis can be generated by landslides but its not very common. This even reminds me more of the Lituya Bay Alaska wave back in the 1950s--it too was generated by a slide of glacier ice and rocks/dirt originating above the sea surface.

Liar!

WTF, who,s smoking Medical Excuse weed.