tremors

The Buzz: Record Quaking at Yellowstone

User Image amillikan | January 4, 2009
Since December 26, seismologists have observed over 400 seismic events at Yellowstone National Park—a record number of earthquakes for the hot spot which houses the largest supervolcano in North America. Data is still being analyzed to determine what this "swarm"—a sequence of earthquakes similar in magnitude—could mean. ScienceBlogger Greg Laden will be following the events closely on his blog.