Tag Archives: plate motions

The Oklahoma Earthquakes

Posted on November 7, 2011 by Chris Rowan

There was some slight seismic excitement over the weekend in central Oklahoma: a magnitude 4.7 earthquake shook things up early on Saturday morning, which turned out to be the prelude to magnitude 5.6 tremor late Saturday evening. The focal mechanisms … Continue reading →

Categories: earthquakes, focal mechanisms, tectonics