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The Juan de Fuca tectonic plate is being subducted under the North American Plate, leading to volcanic activity in the Cascades like at West Crater. In southern Washington state, the Cascade Range, which sits south of the dacitic Garibaldi Volcanic Belt, spans 600 miles (970 km) from British Columbia in Canada to Lassen Peak in northern California in the United States.
The east side of Mount Baker in 2001. Sherman Crater is the deep depression south of the summit. Mount Baker (Nooksack: Kweq' Smánit; Lushootseed: təqʷubəʔ), [9] also known as Koma Kulshan or simply Kulshan, is a 10,781 ft (3,286 m) active [10] glacier-covered andesitic stratovolcano [4] in the Cascade Volcanic Arc and the North Cascades of Washington State in the United States.
Highest point; Elevation: 492 to 4,521 ft (150 to 1,378 m) [1] Coordinates: 1]: Geography; Location: Skamania County, Washington, United States: Parent range: Cascade Range [2]: Topo map: USGS Bare Mountain: Geology; Rock age: less than 700,000 years [1]: Mountain type: Volcanic field [3]: Volcanic arc: Cascade Volcanic Arc [2]: Last eruption: ~7,700 years BP [1]: Marble Mountain-Trout Creek ...
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Pages in category "Volcanoes of Washington (state)" The following 40 pages are in this category, out of 40 total. This list may not reflect recent changes. *
The Black Buttes, also known historically as the Sawtooth Rocks, make up an extinct stratovolcano in the Cascade Volcanic Arc in Whatcom County, Washington, United States. Glacially eroded remnants of this volcano rise above the Deming Glacier, part of the glacier system of the nearby volcano, Mount Baker. There are three major peaks — Colfax ...
A visitor center run by the Washington State Parks is in Silver Lake, Washington, about 30 miles (48 km) west of Mount St. Helens. [100] Exhibits include a large model of the volcano, a seismograph, a theater program, and an outdoor natural trail. [100]
Over 400 earthquakes have been detected beneath Washington's Mount St. Helens in recent months, though there are no signs of an imminent eruption.