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

How do volcanologists determine the height of eruptive plumes from Yellowstone’s past explosive eruptions? Ironically, you ...

Kilauea began continuously releasing lava from its summit caldera inside Hawaii Volcanoes National Park on Wednesday morning ...

Shock waves triggered by a massive underwater volcanic eruption near Tonga on Jan. 15 were apparently responsible for tidal surges seen along Japan’s Pacific coastline, according to experts.

In 2022, the Hunga Tonga-Hunga Haʻapai undersea volcano erupted and created waves as high as 280 feet (85 meters) at the center of its blast. The strength of that eruption, Purkis and his ...

Since 2022, the underwater volcano of Home Reef has repeatedly emerged, adding hectares of land to the Tonga archipelago. Successive eruptions have allowed the island to reach an area of 12.2 hectares ...