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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.
More than 400 earthquakes have been detected beneath Washington's Mount St. Helens in recent months, though there are no signs of an imminent eruption, according to the U.S. Geological Survey.
Harry Glicken (March 7, 1958 – June 3, 1991) [1] was an American volcanologist.He researched Mount St. Helens in the United States before and after its 1980 eruption, and was very distraught about the death of volcanologist David A. Johnston, who was Glicken's mentor and supervisor in Spring 1980 at Mount St. Helens.
A USGS team determined in the last week of April that a 1.5 mi-diameter (2.4 km) section of St. Helens's north face was displaced outward by at least 270 ft (82 m). [20] For the rest of April and early May, this bulge grew by 5 to 6 ft (1.5 to 1.8 m) per day, and by mid-May, it extended more than 400 ft (120 m) north. [ 20 ]
Mount St. Helens: 5 United States: 1980 1980 eruption of Mount St. Helens: 56 Mount Etna: 2 Italy: 1843 [6] 56 La Soufrière: 4 Saint Vincent and the Grenadines: 1812 [37] 50 Mount Usu: 4 Japan: 1822 [38] 43 Mount Unzen: 1 Japan: 1991 [39] 40 Dieng Volcanic Complex: 2 Indonesia: 1928 [30] 39 Taal: 4 Philippines: 2020 2020–2022 Taal Volcano ...
Per the Forest Service, the Mount St. Helens National Volcanic Monument is a 110,000-acre designation within the Gifford Pinchot National Forest. It was established in 1982 for the purposes of ...
Several students and parents said the school knew about the investigation for months, but Stearns was still permitted to teach. After the initial arrests, the school board held a meeting on Nov ...
Harry R. Truman (October 1896 – May 18, 1980) was an American businessman, bootlegger, and prospector.He lived near Mount St. Helens, an active volcano in the state of Washington, and was the owner and caretaker of Mount St. Helens Lodge at Spirit Lake near the base of the mountain.