CONTRA COSTA COUNTY, CA - the U.S. Geological Survey reported that a preliminary 2.8 magnitude quake shook close to San Ramon ...

California's seismic risk is increasing with supershear earthquakes, which are faster and more destructive than typical earthquakes.

“Neither the USGS nor any other scientists have ever predicted a major earthquake.” That blunt reminder still frames the public conversation around the San Andreas fault more clearly than any dramatic ...

Did you feel it? An earthquake with a preliminary magnitude of 3.3 struck near San Ramon on Sunday night, the U.S. Geological Survey said.

On Sunday, February 22, 2026, a 3.5-magnitude earthquake shook people in the South Bay and greater Los Angeles area. The United States Geological Survey (USGS) says that the earthquake happened at ...

The U.S. Geological Survey said the magnitude 3.3 earthquake struck the San Ramon area late on Sunday night.

IMPERIAL COUNTY, CA - A 2.6 magnitude quake was detected close to Niland Monday evening, according to the U.S. Geological Survey. The tremor rattled the region at 7:13 p.m. It occurred at a depth of ...

SAN RAMON, Calif. (KRON) — California is known for many things, like its beautiful hills, mountains, and valleys, but it was ...

A minor, 3.4-magnitude earthquake struck in Central California on Monday, according to the United States Geological Survey. The temblor happened at 7:17 a.m. Pacific time about 6 miles northwest of ...