A 2022 satellite photo shows smoke rising from a caldera on Tofua, highlighting the "looming threat" of the volcanic island.

Tonga was rocked by an earthquake which initial reports suggested could cause hazardous waves on its coastline.

James Garvin, chief scientist at NASA's Goddard Space Flight Center, has explained the eruption of the Hunga Tonga-Hunga Ha'apai submarine volcano was “500 times more powerful than the atomic bo ...

The force of the Jan. 15 eruption of an undersea volcano near the Tonga islands in the South Pacific was said to have been similar to, or slightly greater than, that of the 1707 event. The ...

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A 7.0 magnitude earthquake has caused slight damage in Tonga and brief evacuations before the threat of a tsunami passed ...

Then, a roar from below the water. The towering undersea volcano known as Hunga Tonga-Hunga Ha‘apai had awakened, and on a balmy afternoon in January 2022 it began blasting its insides into the ...

When Hunga Tonga–Hunga Haʻapai, an underwater volcano near Tonga in the South ... A new UCLA-led study shows that not only did the eruption not warm the planet, but it actually reduced ...