Volcanoes are rumbling as scientists monitor earthquakes at Washington's Mount Rainier and Alaska's Iliamna volcano.

Magma from the mantle finds its way to the surface, where it erupts as lava or ash and gas—sometimes in spectacular spurts, ...

Have you heard or read about the Axial Seamount? The Axial is an underwater volcano located approximately 480 kilometers ...

Axial Seamount has drawn intense interest from scientists. It is now the best-monitored underwater volcano in the world. The volcano is a prolific erupter in part because of its location, Chadwick ...

Nearly a mile deep and about 700 miles northwest of San Francisco, the volcano known as Axial Seamount is drawing increasing scrutiny from scientists who only discovered its existence in the 1980s.

An underwater volcano off the Pacific Coast could erupt by the end of the year, according to scientists. The volcano, known as Axial Seamount, is more than 4,900 feet beneath the Pacific Ocean and ...

Nearly a mile deep, the Pacific Ocean volcano known as Axial Seamount is drawing increasing scrutiny from scientists who only discovered its existence in the 1980s.

Nearly a mile deep, the Pacific Ocean volcano known as Axial Seamount is drawing increasing scrutiny from scientists who only discovered its existence in the 1980s.

The Axial Seamount is located 300 miles off of the coast of Oregon. Researchers say it’s following patterns shown before its last eruption.

The Axial Seamount, an underwater volcano 300 miles off Oregon’s coast, may erupt soon. What it means for Washington, Oregon and the Pacific Northwest.