Earthquake Swarm Near Greenville in California

Fault map (left) and seismicity between 1986-2006 (right) for the Mohawk Valley and nearby fault systems in California and Nevada. The current Greenville earthquake swarm is marked with an arrow in the left panel. Image: Modified from Kreemer and Hammond. I've been getting a lot of questions about the current Greenville, California earthquake swarm. This is likely due to the fact that the swarm is in the vicinity of the Lassen Volcanic Center, which is ~50 km to the northwest of these earthquakes. Now, I don't like to delve too much into earthquakes that aren't volcanically-related here, but I thought I'd share some information on the earthquakes just to help with some of these questions. First, these earthquakes have nothing to do with the Lassen Volcanic Center (LVC). They are centered much too far away to have any connection. They might be felt up there in the Park, but there ...