The risk of a devastating mega-tsunami from the Cascadia Subduction Zone highlights the need for improved evacuation plans.

A series of more than 100 earthquakes has hit Northern California, shaking up the Geysers geothermal steam field in Sonoma ...

The Cape Mendocino Lighthouse at Shelter Cove might be the most charming maritime relic you’ve never heard of, standing proudly at 43 feet tall against the stunning backdrop of California’s Lost Coast ...

A study of March's Myanmar earthquake has found that strike-slip faults don't necessarily repeat past behavior, meaning the San Andreas fault could unleash a bigger quake than any seen before.

A 3.6-magnitude earthquake struck in Riverside County on Friday morning. The epicenter was in the Valle Vista community near ...

More than 100 small earthquakes have been recorded near the Geysers geothermal field in Northern California since just after midnight Thursday, according to the U.S. Geological Survey.

An earthquake swarm in Northern California early Thursday was another round of recurring temblors in a seismically active ...

Two earthquakes struck different parts of Northern California early Thursday morning, according to the U.S. Geological Survey. The first, a 4.0-magnitude quake, hit at 5:48 a.m. about 5 miles ...

A series of moderate to minor earthquakes struck near the geologically active area in Northern California known as The Geysers south of Clear Lake Thursday morning.

Two earthquakes struck different parts of Northern California early Thursday morning, according to the U.S. Geological Survey ...