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Mount St. Helens


Mount St. Helens or Louwala-Clough is an active stratovolcano located in Skamania County, .... It produced the only unequivocal laterally directed blast known from Mount St. Helens before the 1980 e...

Mount St. Helens - Facts and Figures


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 Eruption: Facts & Information - Live Science


Feb 28, 2013 ... Mount St. Helens erupted on May 18, 1980. ... There were minor eruptions in 1898, 1903 and 1932, but for most of the 20th century, the ...

USGS: Volcano Hazards Program CVO Mount St. Helens


Sep 22, 2014 ... Over its rich and complex 275,000-year history, Mount St. Helens has produced both violent explosive eruptions of volcanic tephra and ...

Global Volcanism Program | St. Helens


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


Eruptions can cause lateral blasts, lava flows, hot ash flows, mudslides, avalanches, ... Mt. Rainier and Mount St. Helens are examples of this type of volcano.

How Volcanoes Work - the Mt. St. Helens eruption


The 1980 eruption of Mt. St. Helens is the most studied volcanic eruption of the ... Mt. St. Helens typically generates explosive pyroclastic eruptions, in contrast to ...

www.ask.com/youtube?q=What Kind of Volcano Is Mt St Helens?&v=xP2dreOI8gI
Jan 26, 2011 ... Volcano Eruption Mount St. Helens May 18, 1980 USGS ..... about how volcanoes like Mt. St. Helens work, what kinds of deposits are produced ...
www.ask.com/youtube?q=What Kind of Volcano Is Mt St Helens?&v=3zHgwiOK3oU
Sep 21, 2013 ... In 1980, a major volcanic eruption occurred at Mount St. Helens, a volcano ... volcano eruptions, what causes a volcano to erupt, mt st helens ...

Mount St. Helens Fast Facts - CNN.com


Jul 26, 2013 ... St. Helens Fast Facts on CNN and learn more about the volcano in the ... Mount St. Helens has had at least four major explosive eruptions and ...

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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Mt. St. Helens History - Mount St. Helens


eruptions may destroy property, they rarely cause death or injury. Before 1980 ... Mount St. Helens, other active Cascade volcanoes, and those of Alaska form ...

30 Cool Facts about Mount St. Helens - USGS Publications Repository


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

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


Jan 5, 2016 ... Geologists call Mount St. Helens a composite volcano (or ... Although Hawaiian- type eruptions may destroy property, they rarely cause death or ...