Supershear earthquakes are more common than previously believed, some scientists say — carrying potentially profound risk for ...

HUMBOLDT COUNTY, CA - A preliminary 2.0 magnitude quake was reported near Ferndale at midday on Saturday, according to the ...

A series of earthquakes, including two measuring 3.5, shook the Big Bear area overnight. The first temblor – a 3.5-magnitude ...

These are two very different fault systems, but the sediment record suggests that in the past, at least three San Andreas ...

A mega-earthquake might be triggered by two volatile faults, striking in unison, with one quake nudging the other into ...

The disaster caused by a predicted large earthquake in the Pacific Northwest could be compounded by shaking along the San Andreas fault in California, scientists warned.

Samples from the seafloor reveal evidence of several earthquakes along the West Coast’s two major fault zones happening in ...

ALAMEDA COUNTY, CA - According to the U.S. Geological Survey, a 4.3 magnitude quake rattled close to Berkeley Monday morning. The tremor jolted at 2:56 a.m., with its epicenter situated roughly 1 mile ...

The West Coast of North America is a geologically tumultuous zone where tectonic plates collide, subducting under and ...

Yellowstone is moving, but there's another supervolcano that is also showing signs that it's active in the U.S. It's cooling ...

Supershear earthquakes, which cause intense shaking, are more common than once thought, posing a risk to California. New research urges updates to seismic forecasts and infrastructure assessments, ...