A string of earthquakes has rattled the same patch of land in northern San Luis Obispo County over the past month, all ...

The US Geological Survey and the State Department of Natural Resources are both concerned about the risk of widespread ...

Over the next three years, researchers—including students—will continue to evaluate the cables’ ability to monitor seismic ...

A 2.9-magnitude earthquake was felt near Concrete, Washington on Monday morning.

Claims of a major explosion in the Pacific Northwest turned out to be a pair of earthquakes near one of Washington's most ...

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

A magnitude 4.0 earthquake was reported Sunday afternoon at 3:30 p.m. three miles from Santa Rosa, according to the U.S.

A 3.1 magnitude aftershock was felt 8 minutes after, this time about 1.4 miles deep. At 4:04 p.m., another 3.4 magnitude ...

A preliminary 4.1 magnitude earthquake struck Sunday afternoon near Glen Ellen in Sonoma County, according to the United ...

Three earthquakes rocked Sonoma County on Sunday afternoon. The first quake struck at 3:30 p.m. just east of Rohnert Park and was recorded with a magnitude 4.0, according to the U.S. Geological Survey ...

Japan is learning what life is life under a megaquake watch. NPR's Rob Schmitz talks to Richard Allen, director of the Berkeley Seismology Lab, about what it means.

The federal government and earthquake experts blamed a technical glitch for the alert that sent warnings hundreds of miles ...