2 Bay Area Earthquake Faults Found To Be ConnectedThe most dangerous earthquake fault in the San Francisco Bay Area is connected to another, which means both could rupture simultaneously and unleash major devastation, a new study finds.
Two Small Offshore Earthquakes Strike Near Daly CityTwo small earthquakes struck Saturday morning off the coast of San Mateo County, according to the U.S. Geological Survey.
Salton Sea Temblor Swarm Prompts State Advisory On Risk Of Major QuakeThe warning follows a series of small temblors deep under the Salton Sea, located on the 800-mile-long San Andreas fault.
USGS To Set Off Multiple Blasts Along Hayward Fault To Study Seismic ConnectionsResearchers with the U.S. Geological Survey have come up with a bang-up experiment to see if the Hayward Fault has dangerous connections to other East Bay faults.
Oklahoma Quake Felt From Texas To IowaOne of the largest earthquakes on record in Oklahoma rattled the Midwest on Saturday from Oklahoma to Iowa.
Magnitude 5.6 Earthquake Strikes Off California North CoastA moderately strong earthquake struck off the Northern California coast Friday evening, the USGS reports.
Magnitude-4.5 Quake Hits Remote North Coast Mountains West Of ReddingThe magnitude-4.5 quake struck Sunday afternoon near the small towns of Hayfork and Mad River.
Seismic Activity Still Posing Hazard To Napa Years After Big QuakeWednesday marks the second anniversary of the big quake that struck Napa, and seismologists with the USGS say the valley is poised to have more, and possibly stronger quakes.
2014 Napa County Earthquake Has Produced 4,600 AftershocksThe earthquake that rocked Napa County two years ago has produced some 4,600 aftershocks, according to the U.S. Geological Survey.
Pair Of Earthquakes Shake North Bay AreaA pair of earthquakes with a magnitude above 3.0 struck the North Bay Monday afternoon, the USGS reported.
6.1 Magnitude Quake Strikes Near Coast Of ChileA 6.1 earthquake hit Chile's north-central region but authorities say no injuries or damage were reported and discounted the possibility of a tsunami.
4.2 Earthquake Rocks San Andreas Fault Near HollisterA 4.2 quake rattled the Hollister area Tuesday afternoon -- the latest in a swarm of quakes along the San Andreas Fault running through Central California.