The most recent risk assessment, outlined in maps published by the California Geological Survey, illustrate the devastation possible from extreme-but-realistic scenarios.

SAN FRANCISCO — Northern California was under a rare and brief tsunami warning alert Thursday that tested local emergency notification systems after a 7.0 magnitude earthquake shook part of the ...

Northern California was under a rare and brief tsunami warning alert Thursday that tested local emergency notification systems after a 7.0 magnitude earthquake shook part of the state.

California remains in a state of emergency following an earthquake that prompted dozens of aftershocks and a tsunami warnings.

A rare and brief tsunami warning tested city and county responses in Northern California after a 7.0 magnitude earthquake shook part of the state.

Residents across California and the Pacific Northwest were alarmed on Thursday with a tsunami warning after a magnitude 7.0 earthquake occured off the coast of Northern California.

The tsunami warning was in effect for roughly an hour. Issued shortly after Thursday's quake struck, it covered nearly 500 miles (805 km) of coastline, from the edge of California’s Monterey Bay ...

After a tsunami warning was issued Thursday, experts urge Southern California, one of the most earthquake-prone regions, to be prepared for what’s possible.

Northern California was under a rare and brief tsunami warning alert Thursday that tested local emergency notification systems after a 7.0 magnitude earthquake shook part of the state.

California Tsunami Warning Canceled A Tsunami Warning has been canceled following a 7.0 Humboldt County earthquake that prompted officials to warn Bay Area residents to keep away from the coastline.

A tsunami warning was issued across Northern California on Thursday morning following a magnitude 7 earthquake. It's a reminder to prepare and know how to respond in case of such emergencies.