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A visitor center run by the Washington State Parks is in Silver Lake, Washington, about 30 miles (48 km) west of Mount St. Helens. [103] Exhibits include a large model of the volcano, a seismograph, a theater program, and an outdoor natural trail. [103]
With an officially recognized [b] summit elevation of 14,410 ft (4,392 m) at the Columbia Crest, [1] [13] it is the highest mountain in the U.S. state of Washington, the most topographically prominent mountain in the contiguous United States, [2] and the tallest in the Cascade Volcanic Arc.
The day before its 1980 eruption, Mount St. Helens was the fifth highest major summit of Washington. Today, Mount St. Helens is the 35th highest major summit of the state. This article comprises three sortable tables of major mountain peaks [1] of the U.S. State of Washington. The summit of a mountain or hill may be measured in three principal ...
Washington – highest volcano in contiguous United States: Mount Giluwe: 4,368 14,331: Papua New Guinea – highest volcano in Australasia and ... Washington United ...
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
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:
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 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]