A small earthquake with a magnitude of 2.3 struck in Contra Costa County Tuesday afternoon, according to the U.S. Geological Survey.
A strong earthquake jolted Tokyo early Monday, rattling windows and nerves though there were no initial reports of major damage. The national broadcaster NHK, citing local authorities, said 17 people were reported injured, some of them from falls as the quake struck.
Two small early-morning earthquakes have jolted the foothills of the San Gabriel Mountains in eastern Los Angeles County but there were no reports of damage or injuries.
An earthquake with a preliminary magnitude of 2.0 struck Tuesday morning in an area just west of Alamo and Danville, according to the U.S. Geological Survey.
An earthquake with a preliminary magnitude of 3.4 rattled an area south of San Jose early Monday morning, according to the U.S. Geological Survey.