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By volume, the two largest Cascade volcanoes are the broad shields of Medicine Lake Volcano and Newberry Volcano, which are about 145 and 108 cubic miles (600 and 450 km 3) respectively. Glacier Peak is the only Cascade volcano that is made exclusively of dacite. The history of the cascade volcanoes can be separated into three major chapters ...
Big Cave is a small shield volcano located in northern California in the Cascade Volcanic Arc of the Pacific Northwest.With an elevation listed at either 4,130 feet (1,260 m) or 4,131 feet (1,259 m), it is the product of subduction of several tectonic plates under the North American Plate, which continues at a rate of 4 centimetres (1.6 in) each year.
The David A. Johnston Cascades Volcano Observatory (CVO) is a volcano observatory in the US that monitors volcanoes in the northern Cascade Range. It was established in the summer of 1980, after the eruption of Mount St. Helens . [ 2 ]
This is a list of Cascade volcanoes, i.e. volcanoes formed as a result of subduction along the Cascadia subduction zone in the Pacific Northwest of North America. The volcanoes are listed from north to south, by province or state: British Columbia , Washington , Oregon , and California .
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 ...
Brown Mountain is a small cinder cone on top of a shield volcano located in Cascade Volcanic Arc in Klamath and Jackson counties, Oregon. [3] Most of the mountain, including its peak, is in western Klamath County, but its western flanks trail off into eastern Jackson County.
Mount Scott is a small stratovolcano and a so-called parasitic cone on the southeast flank of Crater Lake in southern Oregon. [4] [5] It is approximately 420,000 years old. [3] ...
The Cascade volcanoes are part of the Pacific Ring of Fire that includes over 160 active volcanoes. Articles listed under this category should be cross-listed under the correct geographical categories too. For mountain range categories, the appropriate choices are Category:Cascade Range or Category:Pacific Ranges.