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Mayon’s pyroclastic flow traveled 4 km down the southwest flank — the longest run this eruption — as 91,000 people shelter in place

On May 2, 2026, a wall of superheated gas and volcanic debris broke loose from Mount Mayon’s summit and tore 4 kilometers down the Mi-isi Gully on the volcano’s southwest flank. It was the longest ...
AOL

Could a WA volcano erupt again in our lifetime? What would happen and how you can prepare

The most destructive volcanic eruption in United States history happened less than half a century ago in Washington state. On May 18, 1980, the north side of Mount St. Helens, in southwestern ...
AOL

What should you do in Puyallup during a volcanic lahar? Here’s what to expect

Danger from Mount Rainier isn’t always born from smoke and ash. According to the United States Geological Survey, the last significant event to happen at Mount Rainier was a no-notice lahar: a ...
EurekAlert!

Lahar detection system upgraded for mount rainier

In the shadow of Washington State’s Mount Rainier, about 90,000 people live in the path of a potential large lahar—a destructive, fluid and fast-moving debris flow associated with volcanic slopes. At ...

The Most Dangerous Volcanic Threat to America Is Coming. And It Doesn’t Need an Eruption to Begin.

These fast-moving mudflows can devastate towns in a matter of minutes.
Seattle Times

If Rainier’s volcanic eruption doesn’t scare you, the mudflow should

An outpouring of magma isn’t the biggest risk to people downhill from Mount Rainier. The active volcano’s greatest danger comes from lahars — amalgams of mud, rock and water that are as dense as wet ...