Mount St. Helens, located in Skamania County, Washington, is one of the most active volcanoes in the Cascade Range. Famous ...

The 1815 eruption produced 60 megatons of sulfur, and as a result, average global temperatures dropped by around 3°C (5.4°F).

The United States has a habit of showcasing its geology. Long before cities and highways showed up, forces beneath the ...

From the Eiffel Tower's first colors to the original Penn Station, explore how iconic landmarks worldwide looked in the past ...

Seven thousand six hundred years ago, a volcanic eruption of unprecedented scale rocked Western North America.

City and county leaders in Cowlitz County say sediment from the Mount St. Helens eruption on May 18, 1980 is causing flood concerns. Canada's Florida boycott 'taking effect' on Donald Trump—Doug Ford ...

Last week I saw stories about two volcanoes that are showing signs of life. One is in Alaska and relatively close to ...

Discover the world’s most active volcanoes, from Hawaii to Italy, and learn their history, impact, and significance.

PURACE, Colombia (AP) — Oliverio Quira often goes to check on his cattle on a plot of land he owns less than a mile from the Purace volcano in southwestern Colombia. There he sits and watches the ...

HAWAII — When I was a child, I was lucky enough to witness the eruption of the Arenal Volcano in Costa Rica. It's a moment I'll never forget and a stunning reminder of the wonders of the natural world ...

The most recent eruptive episode at Kilauea occurred on Dec. 6, reaching over 1,000 feet in height. U.S. Geological Survey To continue reading this content, please ...