SEATTLE – A lava formation inside Mount St. Helens' (search) crater has a new, glowing protrusion the size of a 30-story building. The protrusion, which glows red at night, has risen by 330 feet in ...

Volcanoes are grouped into four types: cinder cones, composite volcanoes, shield volcanoes and lava volcanoes. Cinder cones are circular or oval cones made up of small fragments of lava from a single ...

Mount St. Helens has a growing lava dome, indicating that magma is moving through the volcano’s crater, the U.S. Geological Survey said today. “The volcano remains restless,” Tina Neal, a geologist ...

SEATTLE – More lava emerged Thursday on the crater floor of Mount St. Helens, expanding a rock formation building on the volcano's old lava dome. Airborne observers have seen "vigorous jets" of ash ...

One of the most active volcanoes on Earth is Russia's Sheveluch. Over the past few decades, it has produced dozens of explosive eruptions while also building a new lava dome in the vacated remains of ...

SEATTLE — More new lava emerged on the crater floor of Mount St. Helens on Thursday, expanding the growing rock formation behind the volcano’s old lava dome and emitting a red glow at night. Airborne ...

Lava flows from a fissure in the aftermath of eruptions from the Kilauea volcano on Hawaii's Big Island, May 22, 2018. Andrew Richard Hara/Ena Media Hawaii via Getty Images But not all lavas are the ...

Jan. 31, 2005 -- -- The new lava dome at Mount St. Helens has grown more over the past three months than it did in the six years following the massive explosion of 1980 that sent volcanic ash circling ...

The ongoing eruption of Hawaii’s Kilauea Volcano has entered a new phase that is both beautiful and terrifying. After two weeks of spewing tons of lava, the erupting vent has taken the form of a “dome ...