This is a repost from the archives, an older post by Henrik which has been updated to reflect more recent findings. Did you know there are 255 volcanoes or volcanic features listed in the US?

Find the best road trips for summer adventures across the U.S. Expert-tested routes to national parks, fly fishing, and ...

Water flows quickly over rocks in the Ohanepecosh River, a river fed by Mount Rainier’s glaciers, on Friday, June 6, 2025, near the La Wis Wis Campgrounds at Mount Rainier National Park.

Exactly 100 years after the Mt. Lassen volcano erupted, national park officials plan to commemorate the event Friday with presentations and tours.

Sunday marks 45 years since Mount St. Helens erupted in Washington state. The deadly eruption happened shortly after 8:30 a.m. on May 18, 1980, following months of small explosions and earthquakes ...

In 1870, the first successful climbers of Mount Rainier identified this as the main summit. The other summits are Point Success (approximately 4,315m) and Liberty Cap (approximately 4,301m).

The U.S. Navy located an EA-18G Growler jet on Wednesday that crashed near Mount Rainier in Washington on Tuesday, though the status of the two-person crew is unknown.

The snowcapped peak of Mount Rainier, which towers 4.3 kilometers (2.7 miles) above sea level in Washington state, has not produced a significant volcanic eruption in the past 1,000 years.

Mt. Rainier is an active volcano with a high probability of erupting, according to the drill’s organizers. An eruption could send a lahar, or flow of mud and debris, through wide swaths of ...

News / Life / Science & Technology A lahar on Mount Adams would put thousands at risk but monitoring stations would warn of dangerous flows “We’ve been through major wildfires, but there’s ...

Mount St. Helens caused a staggering $1 billion in damage, and opened Americans' eyes to the dangers of volcanoes on their own soil — in fact, right next to their cities and homes.