Widely shared social media posts claimed a massive underwater volcano "the size of a city" was "showing signs it could erupt ...

Axial Seamount, an underwater volcano located off the coast of Oregon, is on the verge of erupting as experts have observed an uptick in seismic activity.

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, ...

Lava in Hawaii, seismic shaking in Alaska and underwater rumblings near Oregon. Scientists say it’s not the end of the world, but it’s definitely worth watching.

Axial Seamount is one of countless volcanoes that are underwater. Scientists estimate that 80% of Earth's volcanic output — magma and lava — occurs in the ocean.

The Costa Rican expert in geophysics and seismology shares his perspective on earthquake prediction and the imminent eruption of the U.S. Axial Seamount volcano, as well as the historic seismic ...

Axial Seamount is one of countless volcanoes that are underwater. Scientists estimate that 80% of Earth’s volcanic output — magma and lava — occurs in the ocean.

But Axial Seamount also happens to be located on the Juan de Fuca Ridge — an area where two massive tectonic plates (the Pacific and the Juan de Fuca plates) are constantly spreading apart, causing a ...

Because Axial Seamount is so far from shore and so deep, humans aren't expected to be impacted. But the impending magma flow generates pressure, heating sea water to more than 700 degrees Fahrenheit.

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.