Earthquake Hits Yellowstone National Park
The U.S. Geological Survey says the 4.8 magnitude earthquake that hit Yellowstone National Park on Sunday is the strongest one since 1980.
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“Geologist [I'm Climate Change]”
Since: Mar 07
#1 Apr 2, 2014
Nice random shots of Yellowstone architecture & a very short one of the park itself (soundbite length).
USGS gives epicentre as just N. of the caldera rim, & a transform fault.
Appears to have a slight problem with age of the last eruption. Last caldera forming event was ~600,000Bp last major breaktrough 150,000 Bp, last big dome/flow under ice cap was ~70000 years in the aftermath of the laurentide ice cap being dumped on in the aftermath of the Toba supervolcano with the residual magma being squelched as a result of the mass dump on the E. part of the caldera.
Not sure of date of last big phreatic explosion but some suspicious bubbling craters in lake Yellowstone may be less than 1000 years old.
Have a nice day: Ag
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