Mount St. Helens or Louwala-Clough is an active stratovolcano located in
Skamania County, ... Age of rock, < 40,000 yrs. Mountain type, Active
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: ...
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.
Feb 12, 2013 ... USGS: Volcano Hazards Program - Cascades Volcano Observatory. ... Prior to
1980, Mount St. Helens had the shape of a conical, youthful volcano sometimes
referred to as the Mount Fuji of ... Volcano type: Stratovolcano
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 ...
An erupting volcano can trigger tsunamis, flash floods, earthquakes, mudflows
and ... Mt. Rainier and Mount St. Helens are examples of this type of volcano.
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 ...
Jul 26, 2013 ... View the Mount. St. Helens Fast Facts on CNN and learn more about the volcano
in the Cascade Mountains in Washington state.
Mt Saint Helens is one of the several Cascade Range volcanoes. .... What type of
volcano, shield or composite volcanoes, do you think are the most destructive?
Watch BBC video clips about Mount St Helens, a volcano in Washington, United
States, that erupted sideways in ... Aa is a Hawaiian name for a type of lava.