Left: An aerial view of the 600-foot lava dome in the crater of Washington's Mt. St. Helens, as seen between the May and July eruptions in 1980.

An Alaska Volcano Observatory scientist said that “there are no indications an eruption is imminent” at Mount Spurr, which is ...

shield volcanoes and lava domes. Their type is determined by how the lava from an eruption flows and how that flow affects the volcano, and, as a result, how it affects its surrounding environment.

While Lassen Volcanic National Park is amazing, these seven underrated parks are great alternatives for exploring America's ...

"The great basin," he wrote, "has been formerly one vast crater of a now extinct volcano ... lava flows forming the eerie moonscapes of the Snake River Plain. The last three super-eruptions ...

Cornell geologists are gearing up to deploy scientific monitoring equipment at the remote and active Cordón Caulle volcano ...

In Germany’s Eifel region, viewing the power of volcanic forces is as simple as making a visit to the placid city of Mendig.

YAMANAKAKO, Yamanashi Prefecture--Solidified lava from eruptions of Mount Fuji ... it is possible to determine when a volcanic eruption occurred based on the magnetite content.

On June 14, 1914, three men climbed Lassen Peak to see why a seemingly dormant volcano had ... in more than 150 eruptions. Finally, on May 19, 1915, the mountaintop exploded. Lava crashed through ...

The Santo Pure 's infinity pool is best enjoyed at sunset before drying off and grabbing a bite to eat at the award-winning ...

About 1,500 people are being evacuated from islands off Papua New Guinea, where a long-dormant volcano has started erupting ... as well," he said. A dome of lava could be seen on Kadovar ...

in the central part of the volcano. Another large-scale eruption around 2,700 years ago, generated massive amounts of lava and pyroclastic flows underwater. Several more eruption events occurred ...