One of the fastest-growing sectors for flightseeing in Alaska is helicopter flightseeing. Hovering over a blue pool on a ...

Valley of the Ten Thousand Smokes, Alaska, USA Katmai National Park’s Valley ... An iconic symbol of Japan, Mount Fuji is a dormant volcano revered for its beauty and spiritual significance.

The 1912 eruption of Novarupta in what is now Katmai National Park remains one of the largest volcanic events of the 20th century ... of magma in just 60 hours—30 times more than the 1980 Mount St.

The 1912 eruption of Novarupta in what is now Katmai National Park remains one of the largest volcanic events of the 20th century ... of magma in just 60 hours—30 times more than the 1980 Mount St.

Until Mount St. Helens blew in 1980, Lassen's eruption was the most recent volcanic explosion in the lower 48 states. Ecologists now study Lassen's landscape to see what the future may bring to ...

Scientists at Mount Spurr in Alaska have been unable to collect vital volcanic data for over a month as the area experiences “elevated” levels of earthquakes — but authorities claim an ...

Mount Etna EruptionA scientist overlooks an eruption at Mount Etna, one of the world’s most active volcanoes. The Sicily, Italy, volcano is almost constantly in a state of eruption. Get there ...

New research shows the blast triggered secondary gravity waves that rattled the upper atmosphere, where satellites orbit.

Dozens of mini-earthquakes have rattled Alaska's Mount Spurr over the past week, sparking fears among scientists that the towering 11,000-foot volcano may be on the verge of a major eruption.

When volcanoes like Alaska’s Mount Spurr erupt, the ash can damage people’s lungs, smother crops and kill animals, and the ...