Elastic Rebound Theory This gradual accumulation and release of stress and strain is now referred to as the "elastic rebound ...

The last significant quake swarm in the San Ramon area, in 2015, lasted 36 days and produced 654 tiny earthquakes, the ...

I was just a kid when 1994’s devastating Northridge earthquake hit, but I still remember waking up to the shaking in the ...

MARIPOSA COUNTY, CA - Saturday morning, a preliminary 2.4 magnitude quake was reported close to Mariposa, according to the U.S. Geological Survey. A tremor struck the area at 5:32 a.m. The ...

HUMBOLDT COUNTY, CA - A preliminary 3.1 magnitude quake was registered close to Petrolia on Monday around midday, according to the U.S. Geological Survey. The tremor shook at 11:31 a.m., with its ...

HUMBOLDT COUNTY, CA - According to the U.S. Geological Survey, a preliminary 2.1 magnitude quake occurred close to Hydesville Monday morning. The tremor, which struck the area at 1:15 a.m., was ...

LAKE COUNTY, CA - According to the U.S. Geological Survey, a preliminary 2.2 magnitude quake occurred close to Nice Tuesday night. The tremor struck at 10:11 p.m., with its epicenter located ...

SAN FRANCISCO COUNTY, CA - A preliminary 2.4 magnitude quake was registered near Muir Beach Tuesday afternoon, the U.S. Geological Survey reported. The tremor, which struck the area at 6:30 p.m., was ...

ST. LOUIS – Simulations and research from the U.S. Geological Survey suggest that St. Louis faces a small, but real risk of a moderate to strong earthquake in the future, roughly a 2% chance over the ...

SANTA BARBARA COUNTY, CA - Tuesday afternoon, a preliminary 2.6 magnitude quake was recorded close to Santa Barbara Is., according to the U.S. Geological Survey. At 6:25 p.m., the region was shaken by ...

SAN BERNARDINO COUNTY, CA - A preliminary 2.4 magnitude quake was reported near Loma Linda Tuesday evening, according to the U.S. Geological Survey. The tremor shook at 8:17 p.m., with its epicenter ...