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en.wikipedia.org/wiki/Mount_St._Helens

Mount St. Helens or Louwala-Clough is an active stratovolcano located in Skamania County, ..... The removal of the north side of the mountain reduced St. Helens' height by about 1,300 feet (400 m) and left a crater 1 mile (1.6 km) to 2 miles (3.2 ...

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

On May 18, 1980, a major volcanic eruption occurred at Mount St. Helens, a volcano located in ..... The removal of the north side of the mountain (13% of the cone's volume) reduced Mount St. Helens' height by about 1,280 feet (390 m) and left a ...

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

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

news.nationalgeographic.com/news/mount-st-helens-30th-anniversary-before-after-science-environment-pictures

May 20, 2010 ... A pre-eruption photograph of Mount St. Helens taken in 1973. ... 57 people and leveled hundreds of square miles of pristine old-growth forest.

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

Feb 28, 2013 ... The May 18 eruption sent volcanic ash, steam, water, and debris to a height of 60,000 feet (18,288 meters), while the mountain lost 1,300 feet ...

pubs.usgs.gov/gip/103

Apr 30, 2010 ... 2—Most of Mount St. Helens is younger than 3,000 years old (younger than the pyramids of Egypt). 3—Some Native American names that refer ...

volcanoes.usgs.gov/volcanoes/st_helens

May 30, 2017 ... Prior to 1980, Mount St. Helens had the shape of a conical, youthful volcano sometimes referred to as the Mount ... Threat Potential: Very High *.

abcnews.go.com/US/decades-catastrophic-1980-eruption-mount-st-helens-recharging/story?id=47461548

May 18, 2017 ... Mount St. Helens erupted on May 18, 1980, after two months of increasing volcanic activity. Since its most recent eruption in 2008, there has ...

www.sciencealert.com/nearly-40-years-after-mount-st-helens-deadly-eruption-it-s-recharging

May 20, 2017 ... It's been 37 years as of last Thursday since the Mount St. Helens volcano in the US state of Washington exploded, taking 57 lives and ...