Mount Adams, Washington state's largest active volcano, is witnessing a surge in seismic activity. The seismic activity has ...

Snowmobilers, including one with a serious leg injury, were rescued following an avalanche on Mount St. Helens on Feb. 17.The incident occurred when three snowm ...

Recent increased seismic activity at Mt. Adams has brought state, tribal, and federal leaders together to reassess their ...

One of the most violent natural disasters of our time, the colossal eruption of Mt. St. Helens in 1980 blasted away an entire mountainside. Over 200 square miles of pristine forest were buried ...

A snowmobiler plunged into a deep canyon, triggering an avalanche on a Washington mountain, rescuers said. The snowmobiler ...

A very common case study for volcanoes is the eruption of Mount St Helens in the USA in 1980. Other case studies include the eruption of Mount Etna in Sicily in 1974 and Heimaey eruption in ...

PORTLAND, Ore. (KOIN) — After an avalanche on Mt. St. Helens left one snowmobiler stuck and another injured, a fellow snowmobiler managed to aid them before calling in a rescue group on Monday.

Rescuers saved three snowmobilers who triggered an avalanche on Mount St. Helens. One man suffered a severe leg injury, but all survived the ordeal.

This striking satellite photo shows the unusual shape of Spirit Lake, which was transformed into a giant anatomically inaccurate heart by the explosive eruption of Mount St. Helens in 1980.

WA leaders are reassessing their plans for the possibility of an eruption at Mount Adams or Mount St. Helens. Dozens of local, tribal, state and federal officials gathered virtually and in-person ...