Earthquake Swarm in Yellowstone National Park

There’s an interesting podcast which details the recent earthquake swarm in Yellowstone National Park – http://volcanoes.usgs.gov/yvol/publications/videos.php  …choose PODCASTS, then choose “Is Something Brewing in Yellowstone” Between December 26, 2008 and January 8, 2009 in the Yellowstone Lake area, there were 813 distinct earthquakes ranging in magnitude up to 3.9.  There was another swarm that was [...]