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

The Hunga Volcano eruption in January 2022 off the coast of Tonga did more than produce a spectacular explosion visible from space. It exposed a category of natural disaster that scientists have long ...

“It was like a shotgun blast directly into the sky,” said one marine geologist. A New Zealand-led team of marine geologists investigating an underwater volcano that erupted on Jan. 15 in the Tongan ...

Hunga Tonga-Hunga Ha'apai (Hunga Tonga for short) erupted on January 15 2022 in the Pacific Kingdom of Tonga. It created a tsunami which triggered warnings across the entire Pacific basin, and sent ...

The vertical red line in the data plot indicates the time of the eruption. The horizontal squiggles show electron density profiles over time, as recorded in the signals of four GNSS constellations, or ...

SAN FRANCISCO — Though volcanoes dot the face of the planet and can be found on every continent, researchers say most of Earth's volcanic eruptions happen in a dark and faraway place: deep underwater.