In 2018, the side of the Anak Krakatau volcano collapsed in a powerful eruption and produced a tsunami that killed hundreds ... A new analysis of satellite data showed the mountainside was ...

The most recent risk assessment, outlined in maps published by the California Geological Survey, illustrate the devastation possible from extreme-but-realistic scenarios.

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