Imagine a volcanic eruption so massive it could plunge the Earth into darkness, trigger widespread famine, and alter the planet’s climate for centuries.

Kona means "leeward," which is the side of the mountain that is often void of precipitation. However, when the moist air from ...

Aside from Mayon’s heightened unrest, PAGASA warns that persistent heavy rainfall from a shear line in Albay could trigger dangerous lahar flows ...

The level of unrest in Mayon Volcano has increased, particularly at its summit or surface level, the Philippine Institute of ...

The Civil Aviation Authority of the Philippines (Caap) on Tuesday warned all flight operators to avoid flying near four active volcanoes in the country due to their ongoing volcanic activity. READ: ...

In addition to teaching, Shamloo serves as primary investigator for the Center for High-Temperature, Volcanic, and ...

After Cascades frogs vanished from Lassen Volcanic National Park 18years ago, scientists are reintroducing them to the park.

The ice fields that give Washington’s Glacier Peak its name are disappearing, though few people may have noticed. Glacier Peak, the 10,541-foot high point of Snohomish County, is sometimes called ...

CASCADES VOLCANO OBSERVATORY — 'First, Mt. Saint Helens is NOT erupting.' That was the message from the National Weather Service office in Portland this morning. NWS says volcanic ash from when Mt. St ...

They're known as the American Alps, and it doesn't take long in Washington's North Cascades to figure out why. Rows of jagged mountains cut across an impossibly vast horizon while aquamarine rivers ...

On July 8, Mount Rainier began to stir. Seismic activity occurs at all of the Pacific Northwest’s Cascade Volcanoes to some extent, but this time was different. What began as a few faint tremors soon ...

Earlier this month, Mount Rainier experienced its most powerful seismic swarm ever recorded by the U.S. Geological Survey. More than 1,000 earthquakes have been detected at the mountain since July 8 — ...