Saturday marks 44 years since the disastrous eruption of Mount St. Helens. It remains the deadliest volcanic eruption in U.S. history. At 8:32 a.m. on May 18, 1980, an earthquake triggered the largest ...

Communities downstream from Mount St. Helens face ongoing risks as sediment continues to move through the river system, ...

Western Washington leaders are monitoring the Cowlitz River as heavy rain pushes decades-old Mount St. Helens sediment ...

VANCOUVER, Wash. (KPTV/Gray News) - Mount St. Helens, which notoriously erupted in 1980, has been showing signs of increased seismic activity lately, according to the U.S. Geological Survey. It’s ...

Leaders around Cowlitz County said Friday that sediment from Mount St. Helens worsened flooding along the Cowlitz River and ...

VANCOUVER, Wash. — More than 400 earthquakes have been detected beneath Washington's Mount St. Helens in recent months, though there are no signs of an imminent eruption, according to the U.S.

Mount St. Helens had stood silent for over a century in Washington’s Cascade Range. But that changed 43 years ago Thursday when the sleeping giant woke up and erupted into Pacific Northwest history.

About 400 earthquakes have rumbled under Mount St. Helens since mid-July, the largest chain of shakes since the volcano finished erupting in 2008, the U.S. Geological Survey reported last week. Small ...

Washington state’s Mount St. Helens erupted catastrophically in 1980, killing 57 people. That eruption sent ash soaring over 80,000 feet and raining down as far as 250 miles away. Mauna Loa is not ...