A 7.0 magnitude earthquake shook a large area of Northern California on Thursday, knocking items of grocery store shelves, ...

The third week in March brings the spring equinox and Tsunami Preparedness Week. The North Coast has experienced two tsunami warning events in the past 15 months; the most recent tsunami in July ...

Scientists are raising new warnings about the Cascadia Subduction Zone, a 700-mile fault off the coasts of California, Oregon ...

Scientists warn the Cascadia Subduction Zone off the U.S. West Coast is capable of producing a magnitude 9.0 earthquake that ...

A magnitude 4.9 earthquake struck Santa Cruz County early Thursday, according to the U.S. Geological Survey.

More than 18 quakes were recorded in an “active swarm” of tremors starting around midnight Sunday on the Juan de Fuca Ridge.

An underwater volcano off Tonga erupted on Saturday, triggering tsunami warnings and evacuation orders in Japan and causing ...

Strong 7.4 magnitude earthquake hits Indonesia, killing one, injuring others, damaging buildings and triggering temporary ...

About 1 hour after the earthquake, SWOT captured the offshore tsunami wave field near Kamchatka shown as two red–blue measurement swaths. These data constrained the inferred initial tsunami ...

After a magnitude 4.9 earthquake struck Santa Cruz County early Thursday, residents across the Central Coast may continue to ...

Significant seismic activity has been recorded along the Pacific Ring of Fire over the last 24 hours in the U.S. Japan and ...

A 4.6-magnitude earthquake rattled the Bay Area in the early morning hours of Thursday, shaking sleeping residents awake as loud phone alerts also blasted when the seismic event began ...