On May 18, 1980, Mount St. Helens exploded with a force comparable to 500 Hiroshima-sized atom bombs. David Johnston, a United States Geological Survey (USGS) geologist based at a monitoring station six miles (9.7 km) away announced the eruption with...
Mount St. Helens is an active stratovolcano in Skamania County, Washington, in the Pacific Northwest region of the United States. It is 96 miles (154 km) south of Seattle and 53 miles (85 km) northeast of Portland, Oregon. Mount St. Helens...
It's been a quarter century since the big eruption at Mount St. Helens that killed 57 people and devastated 230 square miles of formerly verdant forest. While much of the devastation remains, what has astounded scientists who gathered to commemorate the 25th anniversary of...
It's been a quarter century since the big eruption at Mount St. Helens that killed 57 people and devastated 230 square miles of formerly verdant forest. While much of the devastation remains, what has astounded scientists who gathered to commemorate the 25th anniversary of...
Mount St. Helens reopened to climbers on July 21 for the first time since the mountain began quietly erupting in 2004. Dust, steam and blue-tinted sulfurous gas still rise from the horseshoe-shaped crater left by St. Helens' 1980 eruption, which...
Steam seeping from a fracture atop the lava dome in Mount St. Helens' crater and the mountain's first noteworthy seismic activity since 2004 have caught scientists' attention this week as signs that something is moving inside it.While the likelihood of a major eruption seemed low,...
An explanation of Mount St. Helens in Washington State, which produced one of the most famous volcanic eruptions in history in 1980. The explanation includes Mount St. Helens' history, the effects of the eruption on both cultural and natural environment, and the effects on humans.
