An earthquake with a 3.7-magnitude shook parts of Sonoma County near Lake Sonoma Tuesday morning, according to the U.S.

An earthquake with a preliminary magnitude of 3.7 shook an area southeast of Cloverdale in Sonoma County on Tuesday morning, ...

A preliminary 3.6 magnitude earthquake struck near Cloverdale, according to the United States Geological Survey.

A 4.1-magnitude earthquake hit Southern California Monday afternoon, according to the U.S. Geological Survey. The quake ...

A strong, 6.2-magnitude earthquake struck in the Tyrrhenian Sea on Tuesday, according to the United States Geological Survey.

RIVERSIDE COUNTY, CA - A preliminary 2.1 magnitude quake shook close to Calimesa on Sunday night, according to the U.S.

A major Hayward fault quake could shake some Bay Area communities harder than expected because of the ground beneath them, ...

Few geological features define a place quite like the San Andreas Fault defines California. It runs through the state like a ...

The quake struck late Friday roughly eight miles south of Honaunau-Napoopoo at a depth of 14 miles, according to the USGS.

On the afternoon of May 3, 1887, the city clocks in Tombstone, Arizona, stopped at 3:12 p.m., idle train cars at the station ...

KINGS COUNTY, CA - A preliminary 2.2 magnitude quake struck close to Kettleman City on Monday morning, according to the U.S. Geological Survey. At 10:15 a.m., a tremor shook the region at a depth of 1 ...

They can have their quake and beat it too. Researchers have identified the mechanism behind hidden underwater “brake zones” that stop earthquakes in their tracks, per a groundbreaking study published ...