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Mount St. Helens is an active stratovolcano located in Skamania County, Washington, in the Pacific Northwest region of the United States.
A massive debris avalanche reduced the elevation of the mountain's summit from 9,677 ft (2,950 m) to 8,365 ft (2,550 m) and replaced it with a 1 mile (1.6 km) wide horseshoe-shaped crater.

Mount St. Helens - Wikipedia

en.wikipedia.org/wiki/Mount_St._Helens

Mount St. Helens or Louwala-Clough is an active stratovolcano located in Skamania County, Washington, in the Pacific Northwest region of the United States.

30 Cool Facts about Mount St. Helens

pubs.usgs.gov/gip/103/

Apr 30, 2010 ... Commemorating the 30th anniversary of the 1980 eruptions of Mount St. Helens.

Mount St. Helens -- From the 1980 Eruption to 2000, Fact Sheet 036 ...

pubs.usgs.gov/fs/2000/fs036-00/

Mar 1, 2005 ... A two-page fact sheet with text and tables summarizing the 1980-86 eruptions of Mount St. Helens, and volcanic activity through 2000.

Mount St. Helens Eruption: Facts & Information - Live Science

www.livescience.com/27553-mount-st-helens-eruption.html

Feb 28, 2013 ... The volcano's eruption in 1980 was the most destructive in U.S. history.

Mount St. Helens - Facts and Figures

www.ngdc.noaa.gov/hazard/stratoguide/helenfact.html

Location: State of Washington, USA Latitude and Longitude: 46.2º N, 122.2º W, Elevation: 2,549 m (8,363 ft) Volcano Type: Stratovolcano Earliest Eruption: ...

Mount St. Helens: Facts about deadliest U.S. volcanic event 35 ...

www.usatoday.com/story/news/nation-now/2015/05/15/mount-st-helens-eruption-35-anniversary/27170663/

May 15, 2015 ... Thirty five years ago, Mount St. Helens erupted in Washington, spewing ash, rock and hot gases into the air and causing mud to flow down the ...

Mount St. Helens Fast Facts - CNN.com

www.cnn.com/2013/07/26/us/mount-st-helens-fast-facts/

May 3, 2016 ... View the Mount. St. Helens Fast Facts on CNN and learn more about the volcano in the Cascade Mountains in Washington state.

20 Facts about Mount St. Helens - KULR8.com | Local News ...

www.kulr8.com/story/29093471/20-facts-about-mount-st-helens

May 18, 2015 ... Where were you when Mt. St. Helens erupted? Let us know your stories and feel free to post your photos too! More facts about #MountStHelens ...

Mount St.Helens Volcano - Earth Facts and Information

www.basicplanet.com/mount-sthelens-volcano/

Mount St.Helens Facts. Mount St. Helens is found in Skamania County in Washington State. The Mount St.Helens is an active stratovolcano.