American Samoa is a United States territory which comprises the easternmost islands of a volcanic island chain formed by the Samoan hotspot in the South Pacific Ocean. Its small islands are the tops ...

An underwater volcano erupted off Tonga on Saturday (January 15) and triggered a tsunami warning for several South Pacific island nations. Footage on social media showed waves crashing into homes.

From late July to October 2022, residents of the Manu'a Islands in American Samoa felt the earth shake several times a day, raising concerns of an imminent volcanic eruption or tsunami. An earthquake ...

When plumes of magma well up through Earth's lithosphere, they create volcanoes, islands, seamounts, and other features on the surface. Telltale hot spot tracks form as tectonic plates move over these ...

Using an underwater robot launched from the research vessel Nautilus, an underwater volcano in American Samoa was explored. Ocean Exploration Trust Off the coast of American Samoa, an active ...

The islands of Fiji and Vanuatu rise from the tropical waters of the South Pacific in one of the most tectonically active and geologically complex regions of the world. A new study of volcanism in ...

It’s been one year since Ta‘u volcano in American Samoa started shaking residents of the Manu‘a Islands (Ofu-Olosega and Ta‘u Islands). Fortunately, there have been no additional earthquakes since the ...

Perched on a volcanic junction between two tectonic plates, Samoa is home to geological, natural and cultural wonders The Samoan chain of volcanic islands in the central South Pacific, about 4000km ...