Over the last eight centuries, a huge underwater volcano 300 miles off the coast of what's now Oregon has erupted dozens of ...

The good news is that because the top of the volcano is still 4,500 feet below the ocean’s surface, it poses no danger to ...

On volcanoes, a fissure is an elongated fracture or crack at the surface from which lava erupts. Fissure eruptions typically dwindle to those at a central vent after a period of hours or days.

The volcano's most recent eruption — from August 2014 through to February 2015 — was the largest outbreak in Iceland for more than 300 years. The eruption began when a large fissure opened up ...

One of the most active volcanoes in the world sits just a few hundred miles off the U.S. West Coast, and some scientists ...

STOCKHOLM (Reuters) - A small new fissure eruption in an ice-free area of Iceland's Bardarbunga volcano system prompted authorities to raise their warning of the risk of ash to aviation to the ...

This massive collection of basalt columns is linked to a volcanic fissure eruption. That's when a fissure in the Earth's crust lets the contents of a subsurface magma chamber out – with ...

Volcanic gas is said to be the primary hazard ... as a series of explosive fissure eruptions occurred.

For the time being, the well-known Blue Lagoon thermal spa has closed its doors due to the great risk that a volcanic fissure could open up in the same area. (Photo by Raul Moreno/SOPA Images ...