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

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

March 27 marks the anniversary of the onset of Mauna Loa’s dramatic 1868 eruption, when lava flows from the Southwest Rift Zone severely impacted the Ka‘u district. However, this may not have been the ...

More communities than previously thought could be impacted by a tsunami resulting from a large earthquake off the California ...

Officials are cautioning residents to check whether they live in a tsunami zone ahead of Tsunami Preparedness Week, and there ...

Hawaii faces a major tsunami risk, but 24/7 monitoring and evacuation plans help keep residents safe. Learn how experts track ...