American Samoa is a United States territory which comprises the easternmost islands of a volcanic island chain formed by the ...

It's been more than three and a half years since one of the most powerful volcanic eruptions in recent history left ...

The seismic activity for September 29, 2025, was classified as moderate, with the following breakdown: Despite the total of 557 recorded events, there were no earthquakes with a magnitude of 6.0 or ...

The U.S. Geological Survey recorded a strong earthquake about 150 miles off the coast of Tonga on Thursday, just weeks after the island nation was devastated by a volcanic eruption and subsequent ...