A swarm of at least six earthquakes reaching up to magnitude 2.9 rattled San Ramon near San Francisco, the U.S. Geological ...

SAN LUIS OBISPO COUNTY, CA - According to the U.S. Geological Survey, a preliminary 2.4 magnitude quake occurred near Pismo ...

CONTRA COSTA COUNTY, CA - around midnight Monday, a preliminary 2.0 magnitude quake was recorded near San Ramon, according to ...

A magnitude 4.0 earthquake Sunday afternoon three miles from Santa Rosa was followed a few minutes later by magnitude 3.1 and ...

The U.S.-based Pacific Tsunami Warning Center said no tsunami warning was issued but the Japan Meteorological Agency (JMA) issued a tsunami advisory for northern Japan’s Pacific coast. The quake ...

Aftershocks have been recorded for both earthquakes. On Dec. 8, Japanese authorities warned an even more powerful earthquake ...

The clusters of earthquakes have all been underneath the East Bay suburb of San Ramon, which is close to the Calaveras fault.

A powerful magnitude-7.5 earthquake struck off Japan’s northeastern coast on Monday, triggering evacuation orders and a ...

CONCRETE, Wash. - A 2.9-magnitude earthquake was felt near Concrete, Washington on Monday morning. According to the United ...

At least 33 people were injured after a powerful 7.5 magnitude earthquake on Monday. The quake was followed by a series of ...

UC Berkeley seismologist Roland Burgmann told SFGATE that Monday morning's earthquakes in San Ramon represent a “flare-up” of last month’s swarm, which produced around 90 small quakes in November.