Amid the towering redwoods of rural Humboldt County, geologists this month cracked open an 100-foot-long trench to search for ...

Geologists have confirmed a hidden earthquake threat lurking beneath California that could unleash widespread devastation if ...

Earthquake experts have long warned of a looming "Big One" that will have devastating impacts. A study says warning signs ...

Venezuela’s powerful quakes come as a study finds Southern California fault stress at a 1,000-year high.

California is gradually shifting due to tectonic movement. Here's how impacts have impacted the state.

A moderately strong, 5.6-magnitude earthquake struck in Northern California on Wednesday, according to the United States Geological Survey. The temblor happened at 8:10 a.m. Pacific time about 7 miles ...

A rare pair of powerful earthquakes, known as a "doublet," struck Venezuela, killing at least 188 people. The unusual back-to ...

A new study of California's earthquakes say that building pressure underneath two major fault lines converging at Cajon Pass ...

Add Yahoo as a preferred source to see more of our stories on Google. California’s ground is always moving. Most of the time, that movement is too small to notice. But the state sits on one of the ...

A series of moderate earthquakes rattled the waters off Northern California and southern Oregon early Thursday near the ...