The risk of flooding from a major tsunami may be greater than many realized along California’s coastline, state officials ...

As California officially observes Tsunami Preparedness Week this week, one of the most vulnerable communities in the state is ...

A strong 7.1 magnitude earthquake hit near Tonga, prompting an initial tsunami warning that was later lifted for the Pacific ...

San Mateo County launched its new Tsunami Hazard Area Dashboard on Monday as part of a broader effort to better prepare for ...

Our guide on how to prepare for a tsunami alert as this year's Tsunami Preparedness Week approaches on March 22–30.

Residents in coastal areas are urged to familiarize themselves with evacuation routes and be prepared to move inland quickly in the event of a tsunami warning. The California Geological Survey ...

The updated maps — released to coincide with California's Tsunami Preparedness Week that starts March 22 — use new data and improved computer modeling to show how far inland a surge of ...

Roaring Sound: A loud, roaring noise from the ocean can indicate an incoming tsunami. Rapid Flooding: If you see water rapidly rising or a wall of water approaching, it is time to evacuate.

The Valdivian Earthquake, or the Great Chilean Earthquake, is the largest on record. It measured in at a magnitude of 9.5.

Powerful waves set in motion by the magnitude-9.0 quake that struck Japan on March 11, 2011, damaged the harbor in Crescent City, California. Myung J. Chun Facebook ...