Yellowstone swarms

Posted by Marcia:

Here is the news from Yellowstone this week!

“As of January 22, 2010 9:00 AM MST there have been 1033 located earthquakes in the recent Yellowstone National Park swarm. The swarm began January 17, 2010 around 1:00 PM MST about 10 miles (16 km) northwest of the Old Faithful area on the northwestern edge of Yellowstone Caldera. Swarms have occurred in this area several times over the past two decades.

There have been 10 events with a magnitude larger than 3, 77 events of magnitude 2 to 3, and 946 events of magnitude less than 2. The largest events so far have been a pair of earthquakes of magnitude 3.7 and 3.8 that occurred after 11 PM MST on January 20, 2010.”

to read more here is a good link
http://volcanoes.usgs.gov/yvo/publications/2010/10swarm.php

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3 responses to “Yellowstone swarms

  1. Harlow Stephenson

    Is anyone evacuating? or is everyone numb?

  2. No, no one’s evacuating. These quakes aren’t up to 4.0 yet, and that makes them not special, for that area.

    Not to mention the swarm last year, and the swarms before that, which tend to indicate that these swarms are almost normal stuff, and not any indication that the caldera is about to blast the Tetons and Jackson Hole to Omaha.

  3. Pingback: Yellowstone earthquake swarm, 2010 « Millard Fillmore’s Bathtub

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