A 4.0-magnitude quake struck Sonoma County and shook nearby areas in Northern California early Thursday morning, according to ...

A swarm of earthquakes shook the Tri-Valley Friday, with the strongest being a 4.0 quake centered in San Ramon. A total of 18 quakes have struck San Ramon, ranging from magnitude 1.4 to 4.0.

A preliminary 4.0 magnitude earthquake, followed by other two earthquakes, struck Sunday afternoon near Glen Ellen in Sonoma County, according to the United States Geological Survey. The USGS ...

CONTRA COSTA COUNTY, CA - According to the U.S. Geological Survey, a 4.0 magnitude quake occurred near San Ramon Friday evening.

An earthquake of preliminary magnitude 4.0 shook Sonoma County at 3:30 p.m. Sunday, according to the United States Geological Survey. It was centered near Glen Ellen. Gentle shaking was felt in Santa ...

EARTHQUAKE – The Phivolcs recorded a 4.0 magnitude quake in Surigao del Norte today, January 6, 2026. Here are the details.

Portions of the North Bay were rattled Sunday afternoon by a 4.0 magnitude earthquake that began in east Sonoma County, according to the U.S. Geological Survey. The quake struck just before 3:31 p.m.

A series of earthquakes rattled the San Ramon area Friday night, with the largest being a preliminary magnitude 4.0, according to the U.S. Geological Survey. At about 7:41 p.m., the USGS recorded a ...

SONOMA COUNTY, CA - According to the U.S. Geological Survey, a 4.0 magnitude quake occurred close to Glen Ellen Sunday afternoon. A tremor jolted the region at 3:30 p.m. The earthquake's epicenter was ...