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 ...

Findings based on mini “lab quakes” in a controlled setting could help researchers assess the likelihood of future quakes in ...

CONTRA COSTA COUNTY, CA - Saturday afternoon, a 3.9 magnitude quake was detected near San Ramon, according to the U.S. Geological Survey. A tremor shook the area at 6:31 p.m. The earthquake's ...

A moderately strong, 5.5-magnitude earthquake struck in Colombia on Wednesday, according to the United States Geological Survey. The temblor happened at 3:27 a.m. Colombia time about 7 miles northeast ...

When the house started shaking, Mandy Evenson picked up her 7-year-old son and dashed outside. “It was a really hard, sharp shake,” she said. “It felt like I was in a snow globe — like somebody ...

A magnitude-3.4 earthquake and several smaller quakes were reported Tuesday morning in Ventura County. The magnitude-3.4 earthquake was reported at 7:06 a.m. four miles south of Ojai. Shaking was ...

Nine small to moderate earthquakes struck San Ramon on Monday , the largest one clocking in with a magnitude of 3.6, according to the US Geological Survey. The others ranged from 2.5 to 3.0. Meanwhile ...

A minor, 3.6-magnitude earthquake struck in the San Francisco Bay Area on Monday, according to the United States Geological Survey. The temblor happened at 9:07 a.m. Pacific time about 2 miles ...

When the house started shaking, Mandy Evenson picked up her 7-year-old son and dashed outside. "It was a really hard, sharp shake," she said. "It felt like I was in a snow globe - like somebody ...