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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. *
Population density map of Washington. Counties provide a broad scope of services, including court operation, parks and recreation, libraries, arts, social services, elections, waste collection, roads and transportation, zoning and permitting, as well as taxation. [7] [8] The extent of these vary, and some are administered by municipalities.
Name Elevation Location Last eruption meters feet Coordinates; Malumalu: Last 8,000 years Ta‘u-931: 3054: 30,000 years ago [15]: Ofu-Olosega: 639: 2096: 1866 unnamed submarine cone eruption
This category feature all the stratovolcanic peaks in the state of Washington. Pages in category "Stratovolcanoes of Washington" The following 12 pages are in this category, out of 12 total.
The Cascade volcanoes define the Pacific Northwest section of the Ring of Fire, an array of volcanoes that rim the Pacific Ocean. The Ring of Fire is also known for its frequent earthquakes. The volcanoes and earthquakes arise from a common source: subduction, where the dense Juan de Fuca Plate plunges beneath the North American Plate. [32]
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 .
Washington has a majority of the very highest volcanoes, with 4 of the top 6 overall, although Oregon does hold a majority of the next highest peaks. Even though Mount Rainier is the tallest, Mount Shasta in California is the largest by volume, followed by Washington's Mount Adams. Below is a list of the highest Cascade volcanoes:
Mount Adams, Washington simplified hazards map showing potential impact area for ground-based hazards during a volcanic event The Trout Lake Mudflow is the youngest large debris flow from Adams and the only large one since the end of the last Ice Age .