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 ...

The eruption triggered mudslides, an explosion, and plumes of ash that did enormous damage. The death of 57 people led to large changes in how the US monitors and prepares for eruptions. On May 18, ...

PORTLAND, Ore. (KOIN) — On May 18, 1980, Mount St. Helens erupted — killing 57 people, coating the land in ash and creating the largest landslide ever recorded. Thursday marks the 43rd anniversary of ...

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 ...

SEATTLE — When Francisco Valenzuela reported to his first day as a ranger at Mount St. Helens, he set out with mountaineer Robert Rogers to explore his new territory. It was the morning of May 18th, ...

Washington is home to five very high or high threat volcanoes, and scientists are working to increase seismic monitoring at several of those mountains with the most potential risk. The U.S. Geological ...

Venezuelan President Nicolás Maduro and his wife have been indicted on narco-terrorism charges after being captured by U.S. by KOMO News Staff Mount St. Helens had stood silent for over a century in ...

PORTLAND, Ore. (KOIN) — At 8:32 a.m. on May 18, 1980, Mount St. Helens erupted with a force that was heard more than 200 miles away. Fifty-seven people were killed. In honor of the 41st anniversary of ...

Mount St. Helens has been stirring as of late, showing increased signs of seismic activity over the last few months, according to the U.S. Geological Survey. The volcano has experienced 368 ...

Inside the Cascades Volcano Observatory in Vancouver, Wash., SALI the robot weighs small crucibles holding sediment. SALI stands for Sediment Analysis Laboratory Instrument. “This is the modern legacy ...