CONTRA COSTA COUNTY, CA - A preliminary 2.8 magnitude quake was recorded close to San Ramon on Monday around midnight, the U.S. Geological Survey reported.

The USGS said the earthquake struck the San Ramon area late on Sunday night.

CONTRA COSTA COUNTY, CA - A 3.3 magnitude quake was detected near San Ramon Sunday night, according to the U.S. Geological Survey.

Researchers found that beach gains in some Southern California areas could lead to erosion in other coastal regions.

She shifted to earthquake science after experiencing an earthquake. Since early 2024, Bohon has been helping lead the state’s earthquake preparedness efforts as branch chief of seismic hazards and ...

California is 500 acres larger than it was 40 years ago, according to a new study released by UC Irvine and United States ...

Social media videos showed people running into the streets as bright orange flames and smoke spewed into the sky.

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.

The earthquake struck about 14 miles west of the Rancho Palos Verdes coastline on Sunday night.

Scientists at MIT have found compelling chemical evidence that Earth’s earliest animals were likely ancient sea sponges.

SAN BERNARDINO, CA / ACCESS Newswire / February 27, 2026 /Dateline Resources Limited (ASX:DTR)(OTCQB:DTREF)(FSE:YE1) ...