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

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

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

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

Interactive map from the California Geological Survey shows the destruction potential of a tsunami wave in the Golden State.

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

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

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.

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

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

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