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The Eruption of Mount St. Helens! – documentary movie about the eruption; St. Helens - television movie about the eruption; Geology of the Pacific Northwest; Helenite – An artificial glass marketed as a gemstone, made by fusing the volcanic dust from Mount St. Helens's May 1980 eruption; List of Cascade volcanoes
[13]: 215 An eruption in 1900 BC was the largest known eruption from St. Helens during the Holocene epoch, depositing the Yn tephra. [ 13 ] : 215 [ 31 ] This eruptive period lasted until about 1600 BC and left 18 inches (46 cm) deep deposits of material 50 miles (80 km) distant in what is now Mount Rainier National Park .
Mount St. Helens, once the fifth-tallest peak in Washington State, lost about 1,300 feet from its height of 9,677, according to the USGS. The highest part of the crater rim on the southwestern ...
Located in southern Washington state, Mount St. Helens is notorious for its eruption on May 18, 1980. The eruption of stratovolcano led to earthquakes and a massive landslide. University ...
During the May 18, 1980 eruption of Mount St. Helens, Spirit Lake received the full impact of the lateral blast from the volcano. The blast and the debris avalanche associated with this eruption temporarily displaced much of the lake from its bed and forced lake waters as a wave as much as 850 ft (260 m) above lake level on the mountain slopes ...
May 18, 2018, marks 38 years since Mount St. Helens erupted in Washington State, killing 57 people.
David Alexander Johnston (December 18, 1949 – May 18, 1980) was an American United States Geological Survey (USGS) volcanologist who was killed by the 1980 eruption of Mount St. Helens in the U.S. state of Washington.
Jim Erickson covered the 1980 eruption of Mount St. Helens for The News Tribune and published a book chronicling the 40th anniversary in 2020, offered by The History Press. Show comments Advertisement