The Hunga Tonga-Hunga Ha'apai volcano erupted for the second time in 2 days, triggering a tsunami that hit the South Pacific ...

A tsunami has hit Tonga's largest island, Tongatapu, and reportedly sent waves flooding into the capital after an underwater volcano in the South Pacific exploded in a violent eruption on Saturday, ...

The government called the eruption an "unprecedented disaster." The Hunga-Tonga-Hunga-Ha'apai volcanic eruption last week caused widespread damage to the Pacific Island nation of Tonga, with a huge ...

When the Hunga Tonga-Hunga Ha'apai volcano blasted gas and ash 30 miles into the atmosphere, it definitely made waves. The question is, what kind? The eruption may have been the largest in a half ...

A smaller eruption in late 2014/early 2015 built up the crater of the volcano to above the surface of the water, Lane added, but it's not yet clear exactly how Hunga-Tonga-Hunga-Ha'apai erupted on ...

Volcanoes erupting underwater have a distinctive effect on the climate that is larger and more widespread than previously thought, according to an international group led by University of Auckland and ...

WELLINGTON, New Zealand -- An underwater volcano in the South Pacific erupted violently on Saturday, causing tsunamis to hit Hawaii, Japan, and Tonga's largest island, Tongatapu -- sending waves ...