Earthquakes

A preliminary 3.4 magnitude earthquake struck near Pinole on Sunday, according to the United States Geological Survey.

Researchers at Lawrence Livermore National Laboratory say they’ve figured out how to turn fiber-optic cables into detailed earthquake sensors.

A preliminary 3.4 magnitude earthquake struck in Lake County Saturday morning, according to the United States Geological Survey.

A preliminary 3.2 magnitude earthquake struck in Concord Friday afternoon, according to the United States Geological Survey.

A preliminary 3.2 magnitude earthquake struck in Concord Friday afternoon, according to the United States Geological Survey.

A series of moderate earthquakes, including a 4.4 magnitude temblor, struck early Monday morning off the coast of Northern California.

A preliminary 2.9 magnitude earthquake struck near Danville, according to the United States Geological Survey.

A preliminary 2.7 magnitude earthquake struck Tuesday morning near Sonoma, according to the United States Geological Survey.

A preliminary 3.2 magnitude earthquake struck near the Geysers on Saturday, according to the United States Geological Survey.

A preliminary 2.9 magnitude earthquake struck near Santa Rosa Wednesday afternoon, according to the United States Geological Survey.

The app and other technologies marks the advancements of early earthquake warning systems.

A preliminary 2.6 magnitude earthquake struck near Morgan Hill, according to the United States Geological Survey.

A herd of elephants at the San Diego Zoo Safari Park jumped into action to protect their young after a magnitude 5.2 earthquake struck the region.

Watch footage of the moment an earthquake hit in East San Diego County

The United States Geological Survey recorded a preliminary earthquake of 5.2 about 2.5 miles south of Julian on Monday morning. Follow live updates.

An earthquake struck Julian Monday morning and was felt across San Diego County, including parts of Los Angeles and Tijuana. According to the United States Geological Survey, a 5.2-magnitude earthquake was recorded around 10 a.m., 5 kilometers or 3.1 miles just south of Julian with a depth of 8 miles. USGS reported more than a half dozen small aftershocks with...

A preliminary 2.8 magnitude earthquake struck near Orinda Tuesday night, according to the United States Geological Survey.

A preliminary 3.0 magnitude earthquake struck near Dublin on Tuesday, according to the USGS.

A preliminary 3.0 magnitude earthquake struck near Dublin Tuesday afternoon, according to the United States Geological Survey.

Hope is fading in the search of survivors of the earthquake that killed more than 2,700 people, compounding a humanitarian crisis caused by a civil war.