Magnitude-2.9 Earthquake Hits ComptonA magnitude 2.9 earthquake hit Compton on Monday morning.
Magnitude 4.2 Earthquake Hits FontanaThe quake struck at 5:54 a.m. with an epicenter located near the Metrolink station, according to the USGS.
NASA's Volcanic Ash Test Aims To Study Engine Health, Improve Aviation Safety
Magnitude-4.1 Earthquake Shakes California's Napa ValleyThe U.S. Geological Survey says Northern California was struck by a magnitude-4.1 earthquake. No injuries or damage has been reported.
Swarm Of Earthquakes Shake Imperial County's CalipatriaTwo small earthquakes have struck a sparsely populated area of the Southern California desert, but there have been no reports of any damages or injuries.
Magnitude-3.4 Earthquake Hits CarsonA magnitude-3.4 earthquake struck the Southland Thursday morning.
Quake, Tsunami Threat From Ventura Fault May Force Redraw Of Hazard MapsScientists say a large quake on the Ventura fault could spawn a tsunami that begins in the Santa Barbara Channel and affect coastal communities to the south.
Small Quakes Hit Santa Clarita Area A series of small earthquakes hit the Santa Clarita area just before 8 a.m. Saturday, according to the US Geological Survey.
Magnitude-4.0 Earthquake Hit In LudlowA magnitude-4.0 earthquake shook part of the San Bernardino County early Monday morning.
West Coast Congress Members Seek Funding For Quake Warning SystemThree dozen members of Congress from California, Oregon and Washington are urging full funding of a West Coast earthquake early warning system.
USGS: More Data Needed To Assess Any Fracking-Pollution LinkA new study by the U.S. Geological Survey says more data is needed to be able to say for sure if a link exists between unconventional oil and gas development and degraded water quality.
Magnitude-3.9 Earthquake Hits 12 Miles South Of San PedroThe tremor was reported by the United States Geological Survey at 3:26 p.m.