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On October 14th and 15th, there was a swarm at 74 small earthquakes at a location within the Yellowstone Caldera, 12 km NW of Old Faithful. The largest earthquake was local magnitude 2.4. This swarm is modest in size compared with other historic earthquake swarms at Yellowstone. More information on earthquake swarms at Yellowstone is available at: volcanoes.usgs.gov...
September 2006 Yellowstone Seismicity Summary
During the month of September 2006, 65 earthquakes were located in the Yellowstone region. The largest of these shocks was a magnitude 2.8 on September 7, 2006 at 7:09 PM MDT, located about 5.7 miles northeast of Canyon Junction, Wyoming. A small swarm of 13 events magnitude 0.2 - 1.4 occured on Sept 12-13. These were located about 12 miles west southwest of Old Faithful.
Originally posted by S1LV3R4D0
Did you happen to catch the SuperVolcano movie that discovery channel did? It was an excellent depiction of what would happen if the caldera blows.
Check it out. it was a good flick.
What do you think would happen if it got nuked?
Originally posted by Strodyn
I am not totally convinced that an eruption on that scale would occur as quick as described on that program. It just seems a little quick for a geological event such as that. Certainly I think there would be much more warning than a few days.
A small swarm of 47 earthquakes of magnitude -0.1 to +2.7, including the largest even mentioned above, occurred on Nov 4-7, also about 12 miles west of Old Faithful.
Originally posted by laiguana
Scientists have recorded two major eruptions there so far from what I've read. The second being smaller than the first, the third should be even lesser than that. Though I am not trying to undermine the impact it would create if an explosion did occur. Point is, that the impact wouldn't be as catastrophic as previous ones.
Originally posted by apex
You may have misread it. The Huckleberry ridge eruption was 2.1 million years ago, 2,500km cubed. The second eruption, was the smallest (big, worrying sort of eruption), 1.3 million years ago, the third eruption, 640,000 years ago was 1,000 cubic km. Of course there can also be smaller eruptions, but here I'm looking at supereruptions (VEI 8 or 7, they are quite big as well).