Yellowstone National Park has a new thermal vent spewing steam in the air that could be visible to tourists once visitors ...

The process of tornado formation begins with colliding air masses that create instability in the atmosphere, producing ...

Numerous small, shallow earthquakes continue to rumble under Alaska's Mount Spurr, prompting fears of an imminent eruption.

Here’s what residents should know to protect their children, pets, homes and vehicles from the ash that scientists say is ...

which are different from explosive eruptions in that they do not send lava, gas and ash shooting into the sky, but rather form slow-moving lava flows that creep down the volcano's sides.

These high lava fountains built the prominent Pu‘u‘o‘o cinder cone, which you can view on the Devastation Trail in Hawaii Volcanoes National Park. Hazards associated with lava fountaining ...

“Volcano Watch” is a weekly article and activity update written by U.S. Geological Survey Hawaiian Volcano Observatory scientists and affiliates. Kīlauea is in a unique phase of activity in ...

A rare 'lavanado' was spotted swirling over the fiery eruption of Hawaii's Kilauea volcano. The wild scene ... together into the air over a freshly formed molten pool. Lava at the bottom of ...

HONOLULU (AP) — Lava fountains from a Hawaii volcano reached heights of 600 feet (180 meters) during the latest episode of an eruption that has been pausing and resuming for several months.

Beneath the icy façade of the 760,000-square-mile West Antarctic Ice Sheet (WAIS) bubbles a hotbed of 100 active volcanoes is kept restrained by the thick layer of ice. But as the icy blanket melts ...

Not till 2020, around 1,941 years after he breathed his last, did scientists demonstrate that the unfortunate volcano victim ... a glass formed from lava when it cools very quickly.

HONOLULU (AP) — Lava from a Hawaii volcano shot into the sky Tuesday in tall fountains that were expected to grow even bigger as part of an off-and-on eruption. The eruption began Dec. 23 in a ...