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

Landslide hazard mapping has made big strides, but the public still must rely on piecemeal mapping and incomplete data to ...

A preliminary magnitude 4.0 earthquake hit the North Bay Sunday afternoon, according to the United States Geological Survey.

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

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

Several earthquakes, the largest measured at magnitude-3.3, were reported Thursday morning in Ventura County. The earthquakes ...

A powerful earthquake of 6.7 magnitude struck northeast Japan on Friday, the U.S. Geological Survey (USGS) reports.

Major quakes in Japan and Alaska along with a spate of smaller earthquakes in California this fall make folks ask, is the Big ...

Cradled in the nose of a high-altitude research airplane, a new NASA sensor has taken to the skies to help geoscientists map ...

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

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