Earthquakes in USA and Japan

4.1 earthquake on Calaveras Fault shakes region

By Lisa M. Krieger, Mark Gomez and Jeanine Benca
Bay Area News Group
Posted: 01/07/2010 04:48:16 PM PST
Updated: 01/07/2010 10:00:58 PM PST

The jolt-and-roll felt ’round the Bay Area on Thursday morning gave plenty of people the creeps, but scientists say the magnitude 4.1 quake was a routine geologic nerve-jangler in an area notorious for seismic action.
News Source :

Moderate earthquake jolts S Japan 2010-01-07 17:27:16
TOKYO, Jan. 7 (Xinhua) — An earthquake measuring a preliminary magnitude of 4.8 jolted Tokunoshima Island in Kagoshima Prefecture and neighboring islands in southern Japan on Thursday, the Japan Meteorological Agency said. There were no immediate reports of injuries from the 4:11 p.m. quake. No tsunami warning was issued. The focus of the quake was some 40 kilometers under the surface of the sea off Amami-Oshima Island.
News Source :