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Originally posted by Anonymous ATS
Have you seen the animated info at this site?
quake.utah.edu...
Just click the "Start Animation" button and watch the time lapse
Originally posted by coolvibe
reply to post by redhatty
hmmm i think i don't get it.
if i scroll down to the bottom i see a ruler 1 to 15.
between 0-1 there are 6 markers and also between 1 and 2 and so on.
so you have a scale of 10 seconds.
2.4 2008/12/29 17:36:39 44.510N 110.384W 0.2 60 km (37 mi) ESE of West Yellowstone, MT
Originally posted by Shirakawa
Fresh new earthquake, whose info is automatically generated on seismograph data, so it's subject to change when a scientist will review it:
2.4 2008/12/29 17:36:39 44.510N 110.384W 0.2 60 km (37 mi) ESE of West Yellowstone, MT
BBC - Horizon ... Supervolcanoes ...
Hidden deep beneath the Earth's surface lie one of the most destructive and yet least-understood natural phenomena in the world - supervolcanoes. Only a handful exist in the world but when one erupts it will be unlike any volcano we have ever witnessed. The explosion will be heard around the world. The sky will darken, black rain will fall, and the Earth will be plunged into the equivalent of a nuclear winter.
Normal volcanoes are formed by a column of magma - molten rock - rising from deep within the Earth, erupting on the surface, and hardening in layers down the sides. This forms the familiar cone shaped mountain we associate with volcanoes. Supervolcanoes, however, begin life when magma rises from the mantle to create a boiling reservoir in the Earth's crust. This chamber increases to an enormous size, building up colossal pressure until it finally erupts.
The last supervolcano to erupt was Toba 74,000 years ago in Sumatra. Ten thousand times bigger than Mt St Helens, it created a global catastrophe dramatically affecting life on Earth. Scientists know that another one is due - they just don't know when... or where.
www.davidpbrown.co.uk...
"CHEYENNE, Wyo. (AP) — Yellowstone National Park was jostled by a host of small earthquakes for a third straight day Monday, and scientists watched closely to see whether the more than 250 tremors were a sign of something bigger to come. Swarms of small earthquakes happen frequently in Yellowstone, but it's very unusual for so many earthquakes to happen over several days, said Robert Smith, a professor of geophysics at the University of Utah.
"They're certainly not normal," Smith said. "We haven't had earthquakes in this energy or extent in many years."