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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
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 ...
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:
This is a sortable summary of 27 major eruptions in the last 2000 years with VEI ≥6, implying an average of about 1.3 per century. The count does not include the notable VEI 5 eruptions of Mount St. Helens and Mount Vesuvius.
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.
The Volcano erupted about 150 BP, producing a 22.5 km (14.0 mi) long lava flow. Mount Rainier erupted 1854. Mount Baker erupted in 1880; fumaroles still occur at its summit. Ruby Mountain might have erupted in 1898. Lassen Peak erupted in 1914–5. Mount St. Helens erupted in 1980, killing 57 people. (see 1980 eruption of Mount St. Helens).
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.
Over 400 earthquakes have been detected beneath Washington's Mount St. Helens in recent months, though there are no signs of an imminent eruption.