Nearly a mile deep, the Pacific Ocean volcano known as Axial Seamount is drawing increasing scrutiny from scientists who only ...

The 1980 Mount St. Helens eruption began with a steady series of earthquakes in March. By April it began spewing smoke, ...

Researchers found that a potential powerful earthquake combined with rising sea levels could lead to a mega tsunami.

Mount St. Helens erupted, killing dozens and forever changing how the US monitors earthquakes. The volcano is still active ...

The May 18, 1980, eruption of Mount St. Helens in southern Washington claimed 57 lives and blasted the terrain of old-growth ...

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 volcano is thousands of feet below the ocean’s surface, so it poses no danger to people. But under all that water, a ...

Researchers are watching the most active volcano in the Pacific Northwest and now say that the volcano is swelling up like a balloon full of lava.

A researcher monitoring Axial Seamount, 300 miles off the coast of Oregon, says the eruption is expected to happen before the ...

A researcher monitoring Axial Seamount, 300 miles off the coast of Oregon, says the eruption is expected to happen before the ...