Add Yahoo as a preferred source to see more of our stories on Google. Image of active volcano shows magma pressure inside volcanoes can destabilize slopes and trigger collapse. (CREDIT: YouTube / CC ...

Two powerful quakes struck off the southern Philippines on Friday, killing at least six people and triggering tsunami warnings that were later lifted. The biggest of the quakes, with a magnitude of ...

Millions of people along the coasts of the Pacific Northwest, Hawaii and Alaska rely on tsunami warnings to tell them that potentially dangerous waves are coming, sometimes in a matter of minutes.

The investigative minds at How to Survive explore the deadliest tsunamis in history and their human impact.

Efforts to collect hundreds of bodies and save the injured were stepped up in Indonesia on Monday following the country's latest tsunami, as scientists collected evidence on how a volcanic eruption ...

When individuals hear volcanoes, they tend to envision blazing eruptions blasting into the air. However, volcanoes can also collapse sideways, with their sides, or flanks, collapsing. Such a collapse ...