An undersea volcano off the southeastern coast of the Big Island of Hawaii has been rocked by a swarm of more than 70 ...

Off the coast of American Samoa, an active underwater volcano towers above the seafloor, its upper crater the site of a four-year eruption. Following the formation of a 1,000-foot lava cone ...

Nome, ALASKA — Scientists aboard a U.S. Coast Guard icebreaker have discovered something unusual in the Arctic Ocean: a ...

An eruption of Indonesia's Lewotobi Laki-laki stratovolcano rained debris and ash on villages on the island of Flores.

Visitor numbers to Iceland have dipped slightly, but fresh volcanic activity has created a macabre attraction in the ...

Scores of small earthquakes — the largest at magnitude 4.3 — rumbled along the Kama‘ehuakanaloa undersea volcano southeast of ...

Known as volcanic vortex rings, these floating hoops are actually made of water vapor, carbon dioxide, and sulfur dioxide—not ...

an underwater volcano in American Samoa was explored. Ocean Exploration Trust Off the coast of American Samoa, an active underwater volcano towers above the seafloor, its upper crater the site of ...