A new video from Japan’s maritime authorities captures an underwater volcano bursting through the sea surface in a violent ...

"It's getting ready to erupt"—one of America's most active volcanoes has the country on edge. It is called the Axial Seamount ...

It's been nearly four years since a massive volcanic explosion rocked the Pacific nation of Tonga. The eruption created a ...

The Axial Seamount, located 300 miles off Oregon's coast, shows signs of eruption. Experts assure it won't affect land or ...

WELLINGTON, New Zealand — New Zealand and Australia have sent military surveillance flights to assess the damage in Tonga caused by Saturday's huge undersea volcanic eruption. Communications with the ...

SAN FRANCISCO — Though volcanoes dot the face of the planet and can be found on every continent, researchers say most of Earth's volcanic eruptions happen in a dark and faraway place: deep underwater.

Japan has paid a high diplomatic price for its territorial disputes with China and South Korea over uninhabited islets in the East China Sea and the Sea of Japan. But Japan may get a freebie in the ...

New studies suggests that the ice ages influence underwater volcanic eruptions. Because volcanic chains spread across 37,000 miles (59,500 kilometers) on the ocean floor, the eruptions could pump out ...

Kīlauea summit region shook for 5 hours Nov. 14 that year as magma made a path to the surface. The eruption began at 8:08 p.m ...