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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, ... Age of rock, < 40,000 yrs. Mountain type, Active stratovolcano.

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: ...

How Volcanoes Work - the Mt. St. Helens eruption

www.geology.sdsu.edu/how_volcanoes_work/Sthelens.html

The 1980 eruption of Mt. St. Helens is the most studied volcanic eruption of the .... underlying magma reservoir resulted in the waning of Plinian-type eruptions.

Mt. St. Helens History - Mount St. Helens

www.mountsthelens.com/history-1.html

modern name, Mount St. Helens, was given to the volcanic peak in 1792 by .... occasional spasms of volcanic tremor, a type of continuous, rhythmic ground

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 ...

Global Volcanism Program | St. Helens

volcano.si.edu/volcano.cfm?vn=321050

Country; Volcanic Region; Primary Volcano Type; Last Known Eruption ... CVO reported that on 14 February a M 4.3 earthquake near Mount St. Helens, felt ...

Volcanoes - Weather Wiz Kids weather information for kids

www.weatherwizkids.com/weather-volcano.htm

(Volcanoes are not associated with weather, but instead are natural disasters.) What is ... Mt. Rainier and Mount St. Helens are examples of this type of volcano.

Mount St. Helens Erupts - History (history.com)

www.history.com/topics/us-states/washington/speeches/mount-st-helens-erupts-in-1980

A report from Portland, Oregon, describes alarming volcanic activity on Mount St. Helens in Washington's Cascade Range. Starting on March 20, 1980, a series ...

US History: Mount St. Helens Eruption for Kids - Ducksters

www.ducksters.com/history/us_1900s/mount_st_helens_eruption.php

Kids learn about the Mount St. Helens volcanic eruption including leading up to the eruption, the collapse of the north face, damage to the surrounding areas, ...

Mount St. Helens | Volcano World | Oregon State University

volcano.oregonstate.edu/Mount_St_Helens

Prior to 1980, Mount St. Helens formed a conical, youthful volcano sometimes known as the Fuji-san of America. During the 1980 eruption the upper 400 m of ...

Answer
Mount St. Helens is an active stratovolcano located in Skamania County, Washington, in the Pacific Northwest region of the United States.
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Mount St. Helens Eruption: Facts & Information - Live Science

www.livescience.com

Feb 28, 2013 ... Mount St. Helens erupted on May 18, 1980. The volcano, located in southwestern Washington, used to be a beautiful symmetrical cone about ...

The Volcanoes of Lewis and Clark - Mount St. Helens - Summary

volcanoes.usgs.gov

Geologists call Mount St. Helens a composite volcano (or stratovolcano), a term for ... Although Hawaiian-type eruptions may destroy property, they rarely cause ...

Mount St. Helens Fast Facts - CNN.com

www.cnn.com

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.