An earthquake swarm in Northern California early Thursday was another round of recurring temblors in a seismically active ...

A series of moderate to minor earthquakes struck near the geologically active area in Northern California known as The Geysers south of Clear Lake Thursday morning.

More than 100 small earthquakes have been recorded near the Geysers geothermal field in Northern California since just after midnight Thursday, according to the U.S. Geological Survey.

By Harrison Tasoff, UCSB On May 12, 2008, the magnitude 7.9 Wenchuan Earthquake shook central China, its destructive tremors spreading from the flank of the Longmen Shan, or Dragon's Gate Mountains, ...