More than 20 earthquakes have hit central and southeast Asia in the last 24 hours, with one of the most powerful in 75 years ...

Preliminary reports from the U.S. Tsunami Warning System said tsunami waves were possible for coastlines within about 190 miles of the earthquake’s epicenter, including those on Tonga. The system ...

Researchers uncover a possible active underwater volcano chain near the Cook Islands, hinting at fresh geological activity.