The most recent risk assessment, outlined in maps published by the California Geological Survey, illustrate the devastation ...

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

There is a reason why California chooses the last week in March to focus on tsunamis. It marks our worst historic tsunami ...

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

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

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 ...

This week, it makes far more sense to test an aspect of our tsunami system that didn’t perform very well last December — who ...

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.

A massive earthquake has hit near Tonga, prompting fears of a tsunami for the Pacific island country. The US Geological ...

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