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

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

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

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

Sixty-one years ago today, March 27, 1964, the second most powerful earthquake on the planet shook Alaska and affected every ...

If the landslide at the Barry Arm fjord collapses, its falling ice and rock could generate a devastating 650-foot-high ...

There are a number of scenarios where California could get hours of lead time ahead of a damaging tsunami. But should a quake strike close to shore, there could be little to no warning. Tsunami ...

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

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

Risk is very real—5 counties most at risk from a tsunami. Could a large tsunami happen in the United States? The USGS ...