List of Cascade volcanoes

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.

British Columbia Name Type Elevation (m) Elevation (ft) Last eruption date Last eruption VEI Location Silverthrone Caldera Caldera 2,865 9,400 Unknown Franklin Glacier Complex Caldera 2,252 7,388 Pleistocene Bridge River Cones Volcanic field 2,500 8,500 Unknown Mount Meager massif Complex volcano 2,645 8,678 2,350 BP 5 Ring Mountain Tuya 2,192 7,192 Unknown Mount Cayley Stratovolcano 2,385 7,825 Pleistocene Mount Fee Volcanic plug 2,162 7,093 Pleistocene Mount Brew Subglacial volcano 1,757 5,764 Pleistocene The Black Tusk Stratovolcano 2,319 7,608 Pleistocene Cinder Cone Cinder cone 1,910 6,266 Holocene Clinker Peak Stratovolcano 1,992 6,535 9,000 BP Mount Price Stratovolcano 2,052 6,732 9,000 BP Garibaldi Lake Volcanic field 2,316 7,598 Unknown The Table Tuya 2,021 6,631 Pleistocene Mount Garibaldi Stratovolcano 2,678 8,786 10,700-9,300 3? Opal Cone Cinder cone 1,736 5,696 9,300 BP The Castle Subglacial volcano - - Pleistocene Coquihalla Mountain Stratovolcano 2,157 7,077 Miocene - Watts Point Subglacial volcano 240 800 90,000 BP

Washington Name Type Elevation (m) Elevation (ft) Last eruption date Last eruption VEI Location Mount Baker Stratovolcano 3,286 10,781 1880 2 Sherman Crater Volcanic crater 2,885 9,465 1880 2 Black Buttes Stratovolcano 2,891 9,485 288,000 years ago Schriebers Meadow Cone Cinder cone 1,110 3,640 9,800 BP Glacier Peak Stratovolcano 3,213 10,541 1700 ± 100 years 2 White Chuck Cinder Cone Cinder cone 1,835 6,020 Holocene-Pleistocene (2,000-17,000 years ago) Dishpan Gap Cinder cone 1,707 5,600 Unknown Mount Rainier Stratovolcano 4,392 14,411 1894 1? Little Tahoma Peak Stratovolcanic remnant 3,395 11,138 Less than 500,000 years ago Mount Aix Stratovolcano, caldera, complex volcano 2,367 7,766 Goat Rocks Stratovolcano 2,494 8,184 500,000 BP Mount Adams Stratovolcano 3,742 12,277 950 2 Mount St. Helens Stratovolcano 2,549 8,363 2008 2 Indian Heaven Shield volcano 1,806 5,925 6250 BP ± 100 years Sawtooth Mountain Shield volcano 1,632 5,354 Pleistocene Tumtum Mountain Lava dome 611 2,004 70,000 BP West Crater Lava dome 1,329 4,360 7767 BP 2? Trout Creek Hill Shield volcano 893 2,930 340,000 BP Silver Star Mountain Shield volcano?, uplifited volcano 1,330 4,364 Miocene

Oregon Name Type Elevation (m) Elevation (ft) Last eruption date Last eruption VEI Location Boring Lava Field Volcanic field 1,236 4,055 Pleistocene Rocky Butte Cinder cone 174 571 Pleistocene Powell Butte Cinder cone 191 627 Pleistocene Mount Sylvania Cinder cone 292 958 Pleistocene Mount Hood Stratovolcano 3,426 11,240 1866 (major), 1907 (minor) 2 Olallie Butte Shield volcano 2,199 7,215 Pleistocene Mount Jefferson Stratovolcano 3,199 10,495 950 AD? Three Fingered Jack Shield volcano 2,390 7,841 Pleistocene Hogg Rock Tuya 1,548 5,080 Pleistocene Blue Lake Crater Maar 1,230+ 4,035 680 AD ± 200 years Hoodoo Butte Cinder cone 1,738 5,702 Holocene Sand Mountain Field Cinder cones 1,664 5,459 70 AD ± 150 years Hayrick Butte Tuya 1,683 5,523 Pleistocene Castle RocksStratovolcano1,2464,088Meiocene Black Butte Stratovolcano 1,937 6,355 1,430,000 years ago (Pleistocene) Mount Washington Shield volcano 2,376 7,795 1,330 BP (flank eruption), 250,000 years ago (main) Belknap Crater Shield volcanoes 2,095 6,873 480 AD? 2? Black Crater Shield volcano 2,210 7,251 - Three Sisters Complex volcano 3,157 10,358 1,600 BP Broken Top Stratovolcano 2,797 9,055 100,000 BP Pilot Butte Cinder cone, lava dome 1,261 4,138 Pleistocene Tumalo Mountain Shield volcano 2,370 7,775 Pleistocene Mount Bachelor Stratovolcano 2,764 9,068 5800 BC Lava Butte Cinder cone 1,529 5,016 7,000 BP Newberry Volcano Shield volcano 2,435 7,989 690 AD 4 Maiden Peak Shield volcano 2,383 7,818 - Davis Lake Volcanic field 2,163 7,096 2,790 BC? Diamond Peak Shield volcano, stratovolcano 2,665 8,744 Less than 100,000 BP (most likely 11,000 years ago) Devils Garden Volcanic field 1,698+ 5,571 Unknown Squaw Ridge Volcanic field 1,711 5,613 Unknown Four Craters Volcanic field 1,501 4,924 Unknown Cinnamon Butte Cinder cones 1,956 6,417 Unknown Howlock Mountain Shield volcano 2,545 8,351 Pleistocene Mount Bailey Shield volcano 2,551 8,368 Less than 100,000 BP Mount Thielsen Shield volcano 2,799 9,184 Pleistocene Yamsay Mountain Shield volcano 2,498 8,196 Pleistocene Mount Mazama Stratovolcano, Shield volcano, Caldera, lava domes 2,487 8,159 2250 BC ± 300 years Mount Scott Stratovolcano 2,722 8,929 Pleistocene (400,000 years ago) Hillman Peak Stratovolcano 2,484 8,157 Pleistocene Union Peak Shield volcano 2,350 7,709 Pleistocene Pelican Butte Shield volcano 2,450 8,037 300,000 BP Mount McLoughlin Stratovolcano with a cinder cone and underlay by a shield volcano 2,894 9,495 20,000 BP Brown Mountain Shield volcano with a cinder cone 2,238+ 7,344+ 12,000 years ago (main), 2,000 years ago (flank) Aspen Butte Shield volcano 2,502 8,208 Less than 3.5 ma

California Name Type Elevation (m) Elevation (ft) Last eruption date Last eruption VEI Location Medicine Lake Volcano Shield volcano 2,412 7,913 1260 ± 40 years 3? Rainbow Mountain Stratovolcano 2,322 7,619 Pleistocene Mount Shasta Stratovolcano 4,317 14,163 1250 ± 3 Shastina Stratovolcano 3,758 12,330 7420 BC Black Butte Lava dome 1,902 6,242 9,000-10,000 BP Brushy Butte Shield volcano 1,174 3,852 Unknown Burney Mountain Lava dome complex, stratovolcano 2,397 7,864 230,000 years ago Magee Peak Stratovolcano 2,647 8,684 1 million years ago Big Cave Shield volcano 1,259 4,131 Unknown Twin Buttes Cinder cones 1,631 5,351 Unknown Tumble Buttes Cinder cones 2,191 7,188 Unknown Eagle Lake Field Fissure vents 1,652 5,420 Unknown Cinder Cone Cinder cone 2,105 6,907 350 BP Chaos Crags Lava domes 2,592 8,503 1,000 BP Lassen Peak Lava dome 3,189 10,462 1921 3 Mount Tehama Stratovolcano 2,815 9,235 600,000 BP

See also List of volcanoes in the United States List of volcanoes in Canada Volcanology of Canada Volcanology of Western Canada List of Northern Cordilleran volcanoes Lists of volcanoes

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References