This browser does not support the Video element. Saturday marks the 44-year anniversary of Mount St. Helens' eruption in Washington. The blast on May 18, 1980, is the worst volcanic eruption in U.S.

Sunday, May 18 marks 45 years since the disastrous eruption of Mount St. Helens. Fifty-seven people were killed and it remains the deadliest volcanic eruption in U.S. history. At 8:32 a.m. on May 18, ...

On May 18, 1980- The most powerful volcanic eruption in U.S. history occurred. On May 18, 1980- The most powerful volcanic eruption in U.S. history occurred. Located in Washington State, Mount St.

Forty-five years ago on May 18, 1980, Mount St. Helens in the state of Washington violently erupted. Here’s a look at volcanoes, then and now. Berkeley, a Look Back: Halloween 1925 reported as ...

May 18, 2025, marks the 45th anniversary of Mount St. Helens' eruption — a catastrophic event that transformed the landscape and killed 57 people. From this devastation emerged an incredible ...

The Tour de Blast will be shortened for the most advanced riders for the second consecutive year due to a May 2023 landslide which closed the road to Johnston Ridge Observatory through this summer.

Nearly 45 years after Mount St. Helens’ eruption sent almost 90 billion cubic feet of debris into the upper Toutle Valley, millions of tons of sediment still pour down into the Cowlitz River each year ...

MOUNT ST. HELENS NATIONAL VOLCANIC MONUMENT — The fact that unpredictably moving rock has blocked the road to its prime visitor center says a lot about Mount St. Helens. Much of the landscape around ...

Leaders around Cowlitz County said Friday that sediment from Mount St. Helens worsened flooding along the Cowlitz River and called on the U.S. Army Corps of Engineers to start dredging it — a request ...

Volcanoes are now more closely monitored. We have a good chance now of determining when a volcano becomes restless,” says Don ...

Forty-five years ago on May 18, 1980, Mount St. Helens in the state of Washington violently erupted. Here’s a look at volcanoes, then and now. The 1980 Mount St. Helens eruption began with a steady ...