Deadly Magnitude 6.8 Earthquake Strikes PhilippinesA 6-year-old girl was among three people killed when a magnitude 6.8 earthquake struck the southern Philippines island of Mindanao on Sunday.
New USGS Seismic Hazard Map Shows Increased Risks in East Bay, San JoseSeismologists are extremely concerned about areas of Concord, Walnut Creek and San Jose. The USGS increased shaking estimates by up to 25 percent in the East Bay since the last estimate five years ago.
Magnitude 4.2 Quake Jolts The Geysers, 2nd Similar-Strength Temblor There in 2 DaysThe United States Geological Survey says a quake with a preliminary magnitude of 4.2 struck at 12:34 p.m. Sunday near The Geysers in northern Sonoma County.
Magnitude 3.9 Earthquake Rattles Sonoma County Near Kincade Fire SaturdayA 3.9 earthquake rattled Sonoma County near the Geysers on Saturday morning, according to the U.S. Geological Survey.
July Ridgecrest Quakes Strained Dangerous SoCal Fault That Has Begun to MoveThe earthquakes that hammered the Southern California desert near the town of Ridgecrest last summer increased strain on a major nearby fault which has begun to move, according to a new study.
Crockett Fuel Tank Fire Raises Questions About Refineries On Fault LinesThe cause explosion and fire at the NuStar Energy facility in Crockett is still unknown, but on Tuesday it was revealed that the Monday night earthquake in Pleasant Hill was part of that investigation.
3.4 Magnitude Quake Strikes Near Pleasant Hill Day After 4.5 Rocks East BayLess than 24 hours after a 4.5 magnitude earthquake rocked the East Bay, a 3.4 quake struck the same area Tuesday evening. 
4.5 Magnitude Earthquake Strikes Near Pleasant Hill; Felt Around Bay AreaA pair of earthquakes, measuring 2.5 and 4.5 magnitude respectively,  struck just south of Pleasant Hill on Monday evening, rocking the East Bay, authorities said.
Magnitude 3.5 Earthquake, Aftershocks Strike PeninsulaA magnitude 3.5 earthquake struck off the coast just south of San Francisco on Saturday morning, jolting local residents from their beds and breakfast tables.
Series Of Small Earthquakes Could Mean Big One Is About To Strike, Research SuggestsScientist may finally know how large earthquakes get started: with many smaller ones.
Unprecedented Water Pond in Hawaii Volcano Could Trigger Explosive EruptionsFor the first time in recorded history, a pond of water has been discovered inside the summit crater of Hawaii's Kilauea volcano, a development that could signal a shift to a more explosive phase of future eruptions.