la-na-nn-swarm-earthquakes-oregon-nevada-20141107A swarm of hundreds of earthquakes that has been striking a corner of the Nevada desert near the Oregon border for months has intensified in recent days, prompting new warnings from seismologists. About 750 earthquakes, mostly magnitude 2.0 to 3.0, have struck the area about 50 miles southeast of Lakeview, Ore., since the swarm started in July, said Ian Madin, chief scientist for Oregon’s Department of Geology and Mineral Industries. More