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The short film Eruption of Mount St. Helens, 1980 (1981) is available for free viewing and download at the Internet Archive. The short film This place in time: The Mount St. Helens story (1984) is available for free viewing and download at the Internet Archive. Aerial pictures of the July 22nd, 1980 secondary eruption
This collection consists of 235 photographs in a study of plant habitats following the May 18, 1980 eruption of Mount St. Helens. Audio recording of the May 18, 1980 eruption (audio). Recorded 140 miles (225 km) southwest of the mountain. Believed to be the only audio recording of the eruption. The Royal Geography Society's Hidden Journeys project:
Bear Meadows is an alpine meadow and viewpoint northeast of Mt. St. Helens. It is located on U.S. Forest Service Road 99. Gary Rosenquist camped here with friends on May 17–18, 1980. He started taking his famous eruption photographs from this location. The sequence of eruption photos provide a time-lapse view of the developing eruption. As ...
Virginia Dale, a renowned scientist with local ties, has again returned along with her ecological research team to sites catastrophically destroyed in the May 18, 1980 eruption of Mount St. Helens.
Tejeda Caldera, Gran Canaria, Spain; 13.9 Ma; the 80 km3 eruption produced a composite ignimbrite (P1) of rhyolite, trachyte and basaltic materials, with a thickness of 30 metres at 10 km from the caldera center [71] Gran Canaria shield basalt eruption, Spain; 14.5 to 14 Ma; 1,000 km3 of tholeiitic to alkali basalts [72]
Over 400 earthquakes have been detected beneath Washington's Mount St. Helens in recent months, though there are no signs of an imminent eruption.
Then, on May 18, 1980, the dramatic eruption of Mount St. Helens shattered the quiet and brought the world's attention to the range. Geologists were also concerned that the St. Helens eruption was a sign that long-dormant Cascade volcanoes might become active once more, as in the period from 1800 to 1857 when a total of eight erupted.
Year Eruption Source(s) 71,000 to 250,100+ Mount Tambora: 7 Indonesia: 1815 1815 eruption of Mount Tambora, Year Without a Summer: 36,000+ Krakatoa: 6 Indonesia: 1883 1883 eruption of Krakatoa: 30,000 Mount Pelée: 4 Martinique: 1902 1902 eruption of Mount Pelée: 23,000 Nevado del Ruiz: 3 Colombia: 1985 Armero tragedy: 20,000~ (estimated ...