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 ...

Mount Saint Helens is the biggest volcanic eruption in United States history, and this weekend marked 45 years. The eruption and the following landslide killed 57 people, destroyed 200 homes, and ...

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 ...

The explosiveness of a volcanic eruption depends on how many gas bubbles form in the magma—and when. Until now, it was ...

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.

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, ...

It was the deadliest volcano eruption in U.S. history, killing 57 people. KING 5 later produced a documentary of the historic event called, "The Mountain Erupts," showing what it was like in the hours ...

Some Pacific Northwesterners woke Tuesday to an unusual sight: A smoky haze shrouded Mount St. Helens, the large, active stratovolcano in Washington state that erupted catastrophically in 1980. But a ...

on the Mount St. Helens eruption and how it impacted the Inland Northwest, check out these virtual events to learn more about the unprecedented geological disaster. Over the past few weeks, the MAC ...

ST HELENS, Wash. — It may look a bit like it, but Mount St. Helens is not erupting Tuesday morning. The ash you can see blowing around the volcano is actually remnants of the infamous 1980 eruption.

For decades, volcanologists believed that the primary trigger for explosive eruptions was a drop in pressure as magma rises ...