A new panorama from NASA's Mars Odyssey orbiter shows Arsia Mons, one of the largest volcanoes on Mars, rising above a thick ...

Simushir is part of the Kuril Islands, comprising 50 volcanic islands in the North Pacific Ocean. It stretches for eight ...

The 1980 eruption of Mt. St. Helens — which began with a series ... and steam exploded upward and outward to the north. The outward blast spread volcanic debris (gray in the images) over 230 square ...

Abandoned Soviet Island Contained Quadruple Volcanoes That Caused a Violent Eruption in 1831 For almost two decades, experts ...

If an eruption happens, it would likely occur at Crater Peak, shown in the background of this summit photograph. Over the past 12 months, an Alaskan volcano named Mount Spurr has become noticeably ...

In the summer of 1831, strange things began to happen in the skies over Europe and North America. The sun shimmered blue and ...

And while the advisory assured that the “likelihood of an eruption continues to gradually decline,” the 11,000-foot-tall volcano remains at an “elevated state of unrest,” meaning that an ...

A forgotten 1831 volcanic blast on Soviet Simushir Island may explain a century-old climate mystery—unseen, unrecorded, and ...

Anewly published study links a massive eruption on one of four aligned volcanoes on Simushir Island, a remote former Soviet ...

This Cold War outpost concealed more than submarines—it hosted a devastating eruption that cooled the planet nearly 200 years ...

A 2024 satellite photo shows four end-to-end volcanoes perfectly spaced out along the Russian island of Simushir. One of these peaks was the site of a surprise eruption that temporarily cooled the ...