Several minor earthquakes were recorded near San Ramon and Petrolia in recent weeks, with no reports of injuries or damage.

A magnitude 3.1 earthquake was recorded in Northern California on Wednesday night, March 4, 2026, according to the USGS.

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

Thousands of Californians received earthquake warnings on Thursday after a 4.7-magnitude tremor shook Northern California. The US Geological Survey (USGS) issued a ShakeAlert after the quake struck at ...

Seismic activity has returned to a California city after weeks of unusual calm, rattling nerves in a region already on edge from months of earthquake swarms. The US Geological Survey (USGS) reported ...