List of Cascade volcanoes - Mountains

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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.

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British Columbia

Name	Type	Elevation (m)	Elevation (ft)	Last eruption date	Last eruption VEI	Location
Silverthrone Caldera[note 1]	Caldera	2,865	9,400	Unknown		51.43°N 126.30°W / 51.43; -126.30
Franklin Glacier Complex[note 2]	Caldera	2,252	7,388	Pleistocene		51.33°N 125.04°W / 51.33; -125.04
Bridge River Cones	Volcanic field	2,500	8,500	Unknown		50.80°N 123.40°W / 50.80; -123.40
Mount Meager massif	Complex volcano	2,645	8,678	2,350 BP	5	50.63°N 123.50°W / 50.63; -123.50
Ring Mountain	Tuya	2,192	7,192	Unknown		50.22°N 123.30°W / 50.22; -123.30
Mount Cayley	Stratovolcano	2,385	7,825	Pleistocene		50.12°N 123.28°W / 50.12; -123.28
Mount Fee	Volcanic plug	2,162	7,093	Pleistocene		50.08°N 123.24°W / 50.08; -123.24
Mount Brew	Subglacial volcano	1,757	5,764	Pleistocene		50.04°N 123.19°W / 50.04; -123.19
The Black Tusk	Stratovolcano	2,319	7,608	Pleistocene		49.97°N 123.04°W / 49.97; -123.04
Cinder Cone	Cinder cone	1,910	6,266	Holocene		49.97°N 123.01°W / 49.97; -123.01
Clinker Peak	Stratovolcano	1,992	6,535	9,000 BP		49.93°N 123.04°W / 49.93; -123.04
Mount Price	Stratovolcano	2,052	6,732	9,000 BP		49.92°N 123.03°W / 49.92; -123.03
Garibaldi Lake	Volcanic field	2,316	7,598	Unknown		49.92°N 123.03°W / 49.92; -123.03
The Table	Tuya	2,021	6,631	Pleistocene		49.90°N 123.01°W / 49.90; -123.01
Mount Garibaldi	Stratovolcano	2,678	8,786	10,700-9,300	3?	49.84°N 123.00°W / 49.84; -123.00
Opal Cone	Cinder cone	1,736	5,696	9,300 BP		49.83°N 123.97°W / 49.83; -123.97
The Castle	Subglacial volcano	-	-	Pleistocene		49.69°N 123.02°W / 49.69; -123.02
Coquihalla Mountain	Stratovolcano	2,157	7,077	Miocene		-
Watts Point	Subglacial volcano	240	800	90,000 BP		49.39°N 123.13°W / 49.39; -123.13

Washington

Name	Type	Elevation (m)	Elevation (ft)	Last eruption date	Last eruption VEI	Location
Mount Baker	Stratovolcano	3,286	10,781	1880	2	48.777°N 121.813°W / 48.777; -121.813
Schriebers Meadow Cone	Stratovolcano	1,110	3,640	9,800 BP		48.699°N 121.817°W / 48.699; -121.817
Glacier Peak	Stratovolcano	3,213	10,541	1700 ± 100 years	2	48.112°N 121.113°W / 48.112; -121.113
White Chuck Cinder Cone	Cinder cone	1,835	6,020	Unknown		48.053°N 121.167°W / 48.053; -121.167
Dishpan Gap	Cinder cone	1,707	5,600	Unknown		47.977°N 121.149°W / 47.977; -121.149
Mount Rainier	Stratovolcano	4,392	14,411	1894	1?	46.853°N 121.760°W / 46.853; -121.760
Goat Rocks	Stratovolcano	2,494	8,184	730,000 BP		46.29°N 121.24°W / 46.29; -121.24
Mount Adams	Stratovolcano	3,742	12,277	950	2	46.206°N 121.490°W / 46.206; -121.490
Mount St. Helens	Stratovolcano	2,549	8,363	2008	2	46.20°N 122.18°W / 46.20; -122.18
Indian Heaven	Shield volcano	1,806	5,925	8260 BP ± 100 years		45.93°N 121.82°W / 45.93; -121.82
Tumtum Mountain	Lava dome	611	2,004	70,000 BP		45.93°N 122.34°W / 45.93; -122.34
West Crater	Volcanic field	1,329	4,360	7767 BP	2?	45.88°N 122.08°W / 45.88; -122.08
Trout Creek Hill	Shield volcano	893	2,930	340,000 BP		45.83°N 122.00°W / 45.83; -122.00
Silver Star Mountain	Shield volcano?	1,330	4,364	Miocene		45.75°N 122.24°W / 45.75; -122.24

Oregon

Name	Type	Elevation (m)	Elevation (ft)	Last eruption date	Last eruption VEI	Location
Boring Lava Field	Volcanic field	1,236	4,055	Pleistocene		45.66°N 122.68°W / 45.66; -122.68
Rocky Butte	Cinder cone	174	571	Pleistocene		45.547°N 122.565°W / 45.547; -122.565
Powell Butte	Cinder cone	191	627	Pleistocene		45.487°N 122.504°W / 45.487; -122.504
Mount Sylvania	Cinder cone	292	958	Pleistocene		45.438°N 122.721°W / 45.438; -122.721
Mount Hood	Stratovolcano	3,426	11,240	1866	2	45.374°N 121.695°W / 45.374; -121.695
Olallie Butte	Shield volcano	2,199	7,215	-		44.820°N 121.764°W / 44.820; -121.764
Mount Jefferson	Stratovolcano	3,199	10,495	950 AD?		44.674°N 121.799°W / 44.674; -121.799
Three Fingered Jack	Shield volcano	2,390	7,841	Pleistocene		44.478°N 121.845°W / 44.478; -121.845
Hogg Rock	Tuya	1,548	5,080	Pleistocene		44.422°N 121.877°W / 44.422; -121.877
Blue Lake Crater	Maar	1,230+	4,035	680 AD ± 200 years		44.411°N 121.774°W / 44.411; -121.774
Hoodoo Butte	Cinder cone	1,738	5,702	Holocene		44.402°N 121.884°W / 44.402; -121.884
Sand Mountain Field	Cinder cones	1,664	5,459	70 AD ± 150 years		44.38°N 121.93°W / 44.38; -121.93
Hayrick Butte	Tuya	1,683	5,523	Pleistocene		44.399°N 121.871°W / 44.399; -121.871
Black Butte	Cinder cone	1,937	6,355	-		44.399°N 121.634°W / 44.399; -121.634
Mount Washington	Shield volcano	2,376	7,795	1,330 BP		44.332°N 121.838°W / 44.332; -121.838
Belknap Crater	Shield volcanoes	2,095	6,873	480 AD?	2?	44.285°N 121.843°W / 44.285; -121.843
Black Crater	Shield volcano	2,210	7,251	-		44.266°N 121.748°W / 44.266; -121.748
Three Sisters	Complex volcano	3,157	10,358	1,600 BP		44.10°N 121.77°W / 44.10; -121.77
Broken Top	Stratovolcano	2,797	9,055	100,000 BP		44.083°N 121.699°W / 44.083; -121.699
Pilot Butte	Cinder cone	1,261	4,138	Pleistocene		44.061°N 121.283°W / 44.061; -121.283
Tumalo Mountain	Shield volcano	2,370	7,775	-		44.005°N 121.642°W / 44.005; -121.642
Mount Bachelor	Stratovolcano	2,764	9,068	8,000-10,000 BP		43.979°N 121.688°W / 43.979; -121.688
Lava Butte	Cinder cone	1,529	5,016	7,000 BP		43.918°N 121.356°W / 43.918; -121.356
Newberry Volcano	Shield volcano	2,435	7,989	690 AD	4	43.722°N 121.229°W / 43.722; -121.229
Maiden Peak	Shield volcano	2,383	7,818	-		43.626°N 121.925°W / 43.626; -121.925
Davis Lake	Volcanic field	2,163	7,096	2,790 BC?		43.57°N 121.82°W / 43.57; -121.82
Diamond Peak	Shield volcano	2,665	8,744	Less than 100,000 BP		43.520°N 122.149°W / 43.520; -122.149
Devils Garden	Volcanic field	1,698+	5,571	Unknown		43.512°N 120.861°W / 43.512; -120.861
Squaw Ridge	Volcanic field	1,711	5,613	Unknown		43.472°N 120.754°W / 43.472; -120.754
Four Craters	Volcanic field	1,501	4,924	Unknown		43.361°N 120.669°W / 43.361; -120.669
Cinnamon Butte	Cinder cones	1,956	6,417	Unknown		43.241°N 122.108°W / 43.241; -122.108
Howlock Mountain	Shield volcano	2,545	8,351	Pleistocene		43.192°N 122.039°W / 43.192; -122.039
Mount Bailey	Shield volcano	2,551	8,368	Less than 100,000 BP		43.155°N 122.221°W / 43.155; -122.221
Mount Thielsen	Stratovolcano	2,799	9,184	-		43.153°N 122.067°W / 43.153; -122.067
Yamsay Mountain	Shield volcano	2,498	8,196	-		42.931°N 121.364°W / 42.931; -121.364
Mount Mazama	Caldera	2,487	8,159	2290 BC ± 300 years		42.93°N 122.12°W / 42.93; -122.12
Mount Scott	Stratovolcano	2,722	8,929	Pleistocene		42.923°N 122.018°W / 42.923; -122.018
Union Peak	Shield volcano	2,350	7,709	-		42.831°N 122.224°W / 42.831; -122.224
Pelican Butte	Shield volcano	2,449	8,036	300,000 BP		42.513°N 122.146°W / 42.513; -122.146
Mount McLoughlin	Stratovolcano	2,894	9,495	20,000 BP		42.445°N 122.315°W / 42.445; -122.315
Aspen Butte	Shield volcano	2,502	8,208	-		42.315°N 122.088°W / 42.315; -122.088

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?	41.363°N 121.33°W / 41.363; -121.33
Rainbow Mountain	Stratovolcano	2,322	7,619	-		41.474°N 121.956°W / 41.474; -121.956
Mount Shasta	Stratovolcano	4,317	14,163	1250 ±	3	41.409°N 122.193°W / 41.409; -122.193
Shastina	Stratovolcano	3,758	12,330	-		41.40°N 122.22°W / 41.40; -122.22
Black Butte	Lava dome	1,902	6,242	9,000-10,000 BP		41.363°N 122.348°W / 41.363; -122.348
Brushy Butte	Shield volcano	1,174	3,852	Unknown		41.178°N 121.443°W / 41.178; -121.443
Big Cave	Shield volcano	1,259	4,131	Unknown		40.955°N 121.365°W / 40.955; -121.365
Twin Buttes	Cinder cones	1,631	5,351	Unknown		40.777°N 121.591°W / 40.777; -121.591
Tumble Buttes	Cinder cones	2,191	7,188	Unknown		40.68°N 121.55°W / 40.68; -121.55
Eagle Lake Field	Fissure vents	1,652	5,420	Unknown		40.63°N 120.83°W / 40.63; -120.83
Cinder Cone	Cinder cone	2,105	6,907	350 BP		40.53°N 121.32°W / 40.53; -121.32
Chaos Crags	Lava domes	2,592	8,503	1,000 BP		40.53°N 121.52°W / 40.53; -121.52
Lassen Peak	Lava dome	3,189	10,462	1917	3	40.492°N 121.508°W / 40.492; -121.508
Mount Tehama	Stratovolcano	2,815	9,235	600,000 BP		40.43°N 121.55°W / 40.43; -121.55

Notes

The relationship of the Silverthrone complex with other volcanoes in the Cascade Volcanic Arc is not clear and remains uncertain.[1] However, it is still considered to be a member of the Garibaldi Volcanic Belt, the Canadian portion of the Cascade Volcanic Arc formed by subduction of the Juan de Fuca Plate.[1][2]
Like Silverthrone, the relationship of the Franklin Glacier Complex with other volcanoes in the Cascade Volcanic Arc is not clear and remains uncertain.[3] But it is still considered to be a member of the Garibaldi Volcanic Belt, the Canadian portion of the Cascade Volcanic Arc formed by subduction of the Juan de Fuca Plate.[2][3]

References

"Silverthrone Caldera". Catalogue of Canadian volcanoes. Geological Survey of Canada. 2009-03-10. Archived from the original on 2010-12-12. Retrieved 2010-02-26.
"Garibaldi volcanic belt". Catalogue of Canadian volcanoes. Geological Survey of Canada. 2009-04-02. Archived from the original on 2011-05-28. Retrieved 2010-02-26.
"Franklin Glacier". Catalogue of Canadian volcanoes. Geological Survey of Canada. 2009-03-10. Archived from the original on 2010-12-11. Retrieved 2010-02-26.

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