June 25, 2010

Roosevelt Lake Earthquake


A magnitude 3.5 earthquake struck the south side of Roosevelt Lake, Arizona on the 25th at 3:30 a.m. local time. The last archived activity in this area was a smaller (2.5) event in 1979. More recently, there was a swarm of small events detected during the TA occupation in 2007. Information about this swarm can be found at the ASU site: http://earthquakes.asu.edu/hazard.html The Roosevelt swarm is included in the Swarm.kmz download for google earth. The earthquake center recieved one felt report for this event.

The earthquake data are as follows: