Posted on 10/24/2023 8:36:35 AM PDT by Libloather
California's supervolcano that has the power to bury Los Angeles in more than 3,000 feet of ash is showing signs of activity.
Scientists at the California Institute of Technology (Caltech) identified over 2,000 earthquakes rumbling throughout the Long Valley Caldera in recent years.
The team conducted a new investigation to see if the seismic activity was a sign of impending doom or that the risk of a massive eruption was decreasing.
Caltech researchers created detailed underground images of the caldera, finding that the recent seismic activity results from fluids and gases released as the area cools off and settles down.
The study author Zhongwen Zhan said: 'We don't think the region is gearing up for another supervolcanic eruption, but the cooling process may release enough gas and liquid to cause earthquakes and small eruptions.
'For example, in May 1980, there were four magnitude 6 earthquakes in the region alone.'
A critical finding with the images revealed the volcano's magma chamber is covered by a hardened lid of crystallized rock, formed as the liquid magma cools down and solidifies.
The long-dormant volcano was the site of a super explosion 767,000 years ago, releasing 140 miles of volcanic material into the atmosphere and devastating the land.
Zhan and his team placed dozens of seismometers throughout the Eastern Sierra region to capture seismic measurements in a process called distributed acoustic sensing (DAS).
They covered 62 miles of the caldera with cables to capture underground snapshots.
Over a year and a half, the team used the cable to measure more than 2,000 seismic events, most too small to be felt by people.
A machine learning algorithm then processed those measurements and developed the resulting image, showing the locations of each quake.
Emily Montgomery-Brown, an expert on the Long Valley Caldera...
(Excerpt) Read more at dailymail.co.uk ...
Think of all the CO2 that will put into the atmosphere!
Volcanic winter of 536
Summer temperatures in 536 fell by as much as 2.5 °C (4.5 °F) below normal in Europe. The lingering impact of the volcanic winter of 536 was augmented in 539–540, when another volcanic eruption caused summer temperatures to decline as much as 2.7 °C (4.9 °F) below normal in Europe.
The study author Zhongwen Zhan said: ‘We don’t think the region is gearing up for another supervolcanic eruption, but the cooling process may release enough gas and liquid to cause earthquakes and small eruptions
The headline is so much more gripping than the text of the article itself
Oh it would stop the looting, without question.
Cubic miles, I’m assuming.
| Thank God all that ash will only land on LA and not hit the Bay Area. |  |
Authoress Stacy Liberatore wrote "...a super explosion 767,000 years ago, releasing 140 miles of volcanic material."
Do you think Stacy Dear knows the difference between a MILE and a CUBIC MILE? There's a wee bit of difference.
That does it. I’m moving to western Wyoming where it will be safe.
767,000? The Boeing eruption?
Would it accidentally trigger a nuclear war?
Only worldwide totalitarian government can fix it...
3,000 feet of ash , higher than Mount Everest , really ?
I have always thought that prevailing winds go west to east. So this caldera which is 250 mile northeast of LA and 180 miles due east of San Francisco are unlikely to be devastated as scaremongered in this article.
“California’s supervolcano that has the power to bury Los Angeles in more than 3,000 feet of ash is showing signs of activity.”
Given the location of the Long Valley Caldera, in northern California, the general wind directions in and accross California, the mountain rangees between the Long Valley Caldera and Los Angeles, I have my doubts an eruption at the Caldera can bury Los Angeles in 3,000 feet of ash.
But no doubt the title got more click bait than if it had said “bury the eastern California deserts in 3,000 feet of ash”.
Wherever I go I hope there’s rum!
Wow. What happened to Mt Everest?
Will Californians get a supervolcano tax ?
If it takes out Hollywood, Beverly Hills, and Malibu canyon, I’m okay with that. Taking out Compton would be a bonus.
Super volcano is no joking matter. If it blows the ash will wipe just about everything out east of it. Only places that might avoid it would be Maine and very southern part of Florida.
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