Thursday’s 3.1 magnitude earthquake was the latest of five notable aftershocks to hit Berkeley since a 4.3 magnitude ...

A major earthquake hasn't struck any of California's biggest cities in more than three decades, but the "Big One" is a matter ...

Geologic clues reveal a hidden link between two major faults. A Cascadia quake might set the San Andreas in motion soon after ...

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

OSU researchers find Cascadia Subduction Zone and San Andreas Fault may be synchronized — with the potential for quakes on ...

Lasting only a minute, it shook Pioneer Square with vigor and rattled office and convention centers from Seattle to Olympia ...

A retired scientist with the USGS worries about the impact the government shutdown is having on the agency's earthquake ...

Most in the Pacific Northwest have heard of “the big one,” a potentially massive earthquake that could shake the region. A ...

An earthquake simulator called the Shake Trailer is making a tour of the state this week to help people prepare for a massive ...

SAN BERNARDINO COUNTY, CA - According to the U.S. Geological Survey, a preliminary 2.5 magnitude quake rattled near Big Bear ...

When designing a new structure or making upgrades to existing ones, architects and engineers prepare for them to be impacted ...

Everywhere in B.C. is considered at high risk in relation to the rest of Canada, according to organizers of the annual ...