tsunami

Algorithms that characterize earthquakes were failing, an expert said.

The crushing effect of a tsunami after a volcanic eruption on Tonga’s land and infrastructure can be seen from outer space. See before and after satellite images.

Pita Taufatofua, known as the “Shirtless Tongan” carrying Tonga’s flag at the Olympics, has established a GoFundMe page to help rebuild areas devastated by a tsunami following a volcanic eruption.

An undersea volcano erupted in spectacular fashion near the Pacific nation of Tonga on Saturday, sending large tsunami waves crashing across the shore and people rushing to higher ground. A tsunami advisory was in effect for Hawaii and the U.S. Pacific coast.

An undersea volcano in the Pacific Ocean has triggered tsunami warnings on the West Coast and in Alaska. Here’s what to watch for and how to stay safe.

An undersea volcano has erupted in spectacular fashion near the Pacific nation of Tonga, sending large tsunami waves crashing across the shore and people rushing to higher ground.

Japan had disaster drills that focused on escaping the dangers of earthquakes and tsunamis on Nov. 5, which is designated World Tsunami Awareness Day by the United Nations.