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  2. 1980 eruption of Mount St. Helens - Wikipedia

    en.wikipedia.org/wiki/1980_eruption_of_Mount_St...

    On March 27, 1980, a series of volcanic explosions and pyroclastic flows began at Mount St. Helens in Skamania County, Washington, United States.A series of phreatic blasts occurred from the summit and escalated until a major explosive eruption took place on May 18, 1980, at 8:32 am.

  3. Mount St. Helens - Wikipedia

    en.wikipedia.org/wiki/Mount_St._Helens

    The Mount St. Helens major eruption of May 18, 1980, remains the deadliest and most economically destructive volcanic event in U.S. history. [4] Fifty-seven people were killed; 200 homes, 47 bridges, 15 miles (24 km) of railways, and 185 miles (298 km) of highway were destroyed. [ 5 ]

  4. Scientists reflect on the catastrophic 1980 Mount St. Helens ...

    www.aol.com/news/scientists-reflect-catastrophic...

    May 18, 2018, marks 38 years since Mount St. Helens erupted in Washington State, killing 57 people.

  5. Spirit Lake (Washington) - Wikipedia

    en.wikipedia.org/wiki/Spirit_Lake_(Washington)

    Prior to 1980, Spirit Lake consisted of two arms that occupied what had been the valleys of the North Fork Toutle River and a tributary. About 4,000 years ago, these valleys were blocked by lahars and pyroclastic flow deposits from Mount St. Helens to form the pre-1980 Spirit Lake. The longest branch of Spirit Lake was about 2.1 miles (3.4 km ...

  6. Last moments before Mount St. Helens eruption caught on ... - AOL

    www.aol.com/weather/last-moments-mount-st-helens...

    On the morning of May 18, 1980, photographer Robert Landsburg hiked 7 miles from the summit of Mount St. Helens in the Cascades mountain range. As the lens of his camera viewed the snowy cap of ...

  7. 40 years after its famed eruption, Mt. St. Helens looms as a ...

    www.aol.com/news/forty-years-famed-eruption-mt...

    The government is trying to prevent a new disaster on Mt. St. Helens — the breach of a 73-billion-gallon lake held in place by debris from the 1980 eruption.

  8. David A. Johnston - Wikipedia

    en.wikipedia.org/wiki/David_A._Johnston

    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. A principal scientist on the USGS monitoring team, Johnston was killed in the eruption while manning an observation post six ...

  9. Mount St. Helens Fast Facts - AOL

    www.aol.com/news/mount-st-helens-fast-facts...

    View the Mount St. Helens Fast Facts on CNN and learn more about the volcano in Washington.