Thousands of people were evacuated by Indonesian rescuers on Thursday after a volcano erupted five times, forcing authorities to shut down a nearby airport and issue a warning about a possible tsunami ...

The tsunami threat around the Pacific from a huge undersea volcanic eruption began to recede Sunday, while the extent of damage to Tonga remained unclear.

The volcanic formation, which sits underneath the 30-by-45-mile Yellowstone Caldera, is among the most studied on Earth due to its potential for a supereruption when a volcano ejects over 230 cubic ...

WELLINGTON--New Zealand and Australia were able to send military surveillance flights to Tonga on Monday to assess the damage ...

Three hikers, including two Singaporean nationals and one Indonesian citizen, were killed after Mount Dukono erupted on Friday morning on Indonesia’s Halmahera island. Authorities said the group had ...

A volcano is erupting under the ocean in the Bismarck Sea, prompting warnings of possible tsunamis from authorities as ash and smoke billow into the sky. Papua New Guinea authorities have warned of ...

Since early May, an undersea volcano has been erupting in the Bismarck Sea, along a feature that scientists call the Titan Ridge. It’s in the southwestern Pacific Ocean, just off the north coast of ...

Will Yellowstone erupt or are we blowing things out of proportion? We may have underestimated Yellowstone’s potential to blow its stack in the future. Chinese scientists have made a disconcerting find ...

A volcano that has been silent since about 1550 began erupting after a big quake. A radar satellite recorded its lava spreading, twice every 12 days.

Indonesia’s Mount Anak Krakatau has erupted again this week, sending plumes of volcanic ash high into the sky and disrupting hundreds of flights. More than 300,000 passengers have been affected. Anak ...