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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 .
Name
Type
Elevation
Elevation
Last eruption date
Last eruption VEI
Location
Silverthrone Caldera [ note 1] Caldera 2,865
9,400
Unknown
51°26′N 126°18′W / 51.43°N 126.30°W / 51.43; -126.30
Franklin Glacier Complex [ note 2] Caldera 2,252
7,388
Pleistocene 51°20′N 125°02′W / 51.33°N 125.04°W / 51.33; -125.04
Bridge River Cones Volcanic field 2,500
8,500
Unknown
50°48′N 123°24′W / 50.80°N 123.40°W / 50.80; -123.40
Mount Meager massif Complex volcano 2,645
8,678
2,350 BP
5
50°38′N 123°30′W / 50.63°N 123.50°W / 50.63; -123.50
Ring Mountain Tuya 2,192
7,192
Unknown
50°13′N 123°18′W / 50.22°N 123.30°W / 50.22; -123.30
Mount Cayley Stratovolcano 2,385
7,825
Pleistocene 50°07′N 123°17′W / 50.12°N 123.28°W / 50.12; -123.28
Mount Fee Volcanic plug 2,162
7,093
Pleistocene 50°05′N 123°14′W / 50.08°N 123.24°W / 50.08; -123.24
Mount Brew Subglacial volcano 1,757
5,764
Pleistocene 50°02′N 123°11′W / 50.04°N 123.19°W / 50.04; -123.19
The Black Tusk Stratovolcano 2,319
7,608
Pleistocene 49°58′N 123°02′W / 49.97°N 123.04°W / 49.97; -123.04
Cinder Cone Cinder cone 1,910
6,266
Holocene 49°58′N 123°01′W / 49.97°N 123.01°W / 49.97; -123.01
Clinker Peak Stratovolcano 1,992
6,535
9,000 BP
49°56′N 123°02′W / 49.93°N 123.04°W / 49.93; -123.04
Mount Price Stratovolcano 2,052
6,732
9,000 BP
49°55′N 123°02′W / 49.92°N 123.03°W / 49.92; -123.03
Garibaldi Lake Volcanic field 2,316
7,598
Unknown
49°55′N 123°02′W / 49.92°N 123.03°W / 49.92; -123.03
The Table Tuya 2,021
6,631
Pleistocene 49°54′N 123°01′W / 49.90°N 123.01°W / 49.90; -123.01
Mount Garibaldi Stratovolcano 2,678
8,786
10,700-9,300
3?
49°50′N 123°00′W / 49.84°N 123.00°W / 49.84; -123.00
Opal Cone Cinder cone 1,736
5,696
9,300 BP
49°50′N 123°58′W / 49.83°N 123.97°W / 49.83; -123.97
The Castle Subglacial volcano -
-
Pleistocene 49°41′N 123°01′W / 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°23′N 123°08′W / 49.39°N 123.13°W / 49.39; -123.13
Name
Type
Elevation
Elevation
Last eruption date
Last eruption VEI
Location
Mount Baker Stratovolcano 3,286
10,781
1880
2
48°46′37″N 121°48′47″W / 48.777°N 121.813°W / 48.777; -121.813
Sherman Crater Volcanic crater 2,885
9,465
1880
2
48°28′N 121°29′W / 48.46°N 121.48°W / 48.46; -121.48
Black Buttes Stratovolcano 2,891
9,485
288,000 years ago
48°28′N 121°30′W / 48.46°N 121.50°W / 48.46; -121.50
Schriebers Meadow Cone Cinder cone 1,110
3,640
9,800 BP
48°41′56″N 121°49′01″W / 48.699°N 121.817°W / 48.699; -121.817
Glacier Peak Stratovolcano 3,213
10,541
1700 ± 100 years
2
48°06′43″N 121°06′47″W / 48.112°N 121.113°W / 48.112; -121.113
White Chuck Cinder Cone Cinder cone 1,835
6,020
Holocene-Pleistocene (2,000-17,000 years ago)
48°03′11″N 121°10′01″W / 48.053°N 121.167°W / 48.053; -121.167
Dishpan Gap Cinder cone 1,707
5,600
Unknown
47°58′37″N 121°08′56″W / 47.977°N 121.149°W / 47.977; -121.149
Mount Rainier Stratovolcano 4,392
14,411
1894
1?
46°51′11″N 121°45′36″W / 46.853°N 121.760°W / 46.853; -121.760
Little Tahoma Peak Stratovolcanic remnant3,395
11,138
Less than 500,000 years ago
46°30′N 121°25′W / 46.50°N 121.42°W / 46.50; -121.42
Mount Aix Stratovolcano , caldera , complex volcano 3,296
7,766
46°28′N 121°09′W / 46.47°N 121.15°W / 46.47; -121.15
Goat Rocks Stratovolcano 2,494
8,184
500,000 BP
46°17′N 121°14′W / 46.29°N 121.24°W / 46.29; -121.24
Mount Adams Stratovolcano 3,742
12,277
950
2
46°12′22″N 121°29′24″W / 46.206°N 121.490°W / 46.206; -121.490
Mount St. Helens Stratovolcano 2,549
8,363
2008
2
46°12′N 122°11′W / 46.20°N 122.18°W / 46.20; -122.18
Indian Heaven Shield volcano 1,806
5,925
6250 BP ± 100 years
45°56′N 121°49′W / 45.93°N 121.82°W / 45.93; -121.82
Sawtooth Mountain Shield volcano 1,632
5,354
Pleistocene
46°04′12″N 121°46′16″W / 46.07°N 121.771°W / 46.07; -121.771
Tumtum Mountain Lava dome 611
2,004
70,000 BP
45°56′N 122°20′W / 45.93°N 122.34°W / 45.93; -122.34
West Crater Lava dome 1,329
4,360
7767 BP
2?
45°53′N 122°05′W / 45.88°N 122.08°W / 45.88; -122.08
Trout Creek Hill Shield volcano 893
2,930
340,000 BP
45°50′N 122°00′W / 45.83°N 122.00°W / 45.83; -122.00
Silver Star Mountain Shield volcano ?, uplifited volcano 1,330
4,364
Miocene
45°45′N 122°14′W / 45.75°N 122.24°W / 45.75; -122.24
Name
Type
Elevation
Elevation
Last eruption date
Last eruption VEI
Location
Boring Lava Field Volcanic field 1,236
4,055
Pleistocene 45°40′N 122°41′W / 45.66°N 122.68°W / 45.66; -122.68
Rocky Butte Cinder cone 174
571
Pleistocene 45°32′49″N 122°33′54″W / 45.547°N 122.565°W / 45.547; -122.565
Powell Butte Cinder cone 191
627
Pleistocene 45°29′13″N 122°30′14″W / 45.487°N 122.504°W / 45.487; -122.504
Mount Sylvania Cinder cone 292
958
Pleistocene 45°26′17″N 122°43′16″W / 45.438°N 122.721°W / 45.438; -122.721
Mount Hood Stratovolcano 3,426
11,240
1866 (major), 1907 (minor)
2
45°22′26″N 121°41′42″W / 45.374°N 121.695°W / 45.374; -121.695
Olallie Butte Shield volcano 2,199
7,215
Pleistocene 44°49′12″N 121°45′50″W / 44.820°N 121.764°W / 44.820; -121.764
Mount Jefferson Stratovolcano 3,199
10,495
950 AD?
44°40′26″N 121°47′56″W / 44.674°N 121.799°W / 44.674; -121.799
Three Fingered Jack Shield volcano 2,390
7,841
Pleistocene 44°28′41″N 121°50′42″W / 44.478°N 121.845°W / 44.478; -121.845
Hogg Rock Tuya 1,548
5,080
Pleistocene 44°25′19″N 121°52′37″W / 44.422°N 121.877°W / 44.422; -121.877
Blue Lake Crater Maar 1,230+
4,035
680 AD ± 200 years
44°24′40″N 121°46′26″W / 44.411°N 121.774°W / 44.411; -121.774
Hoodoo Butte Cinder cone 1,738
5,702
Holocene 44°24′07″N 121°53′02″W / 44.402°N 121.884°W / 44.402; -121.884
Sand Mountain Field Cinder cones 1,664
5,459
70 AD ± 150 years
44°23′N 121°56′W / 44.38°N 121.93°W / 44.38; -121.93
Hayrick Butte Tuya 1,683
5,523
Pleistocene 44°23′56″N 121°52′16″W / 44.399°N 121.871°W / 44.399; -121.871
Black Butte Stratovolcano 1,937
6,355
1,430,000 years ago (Pleistocene )
44°23′56″N 121°38′02″W / 44.399°N 121.634°W / 44.399; -121.634
Mount Washington Shield volcano 2,376
7,795
1,330 BP (flank eruption), 250,000 years ago (main)
44°19′55″N 121°50′17″W / 44.332°N 121.838°W / 44.332; -121.838
Belknap Crater Shield volcanoes 2,095
6,873
480 AD?
2?
44°17′06″N 121°50′35″W / 44.285°N 121.843°W / 44.285; -121.843
Black Crater Shield volcano 2,210
7,251
-
44°15′58″N 121°44′53″W / 44.266°N 121.748°W / 44.266; -121.748
Three Sisters Complex volcano 3,157
10,358
1,600 BP
44°06′N 121°46′W / 44.10°N 121.77°W / 44.10; -121.77
Broken Top Stratovolcano 2,797
9,055
100,000 BP
44°04′59″N 121°41′56″W / 44.083°N 121.699°W / 44.083; -121.699
Pilot Butte Cinder cone , lava dome 1,261
4,138
Pleistocene 44°03′40″N 121°16′59″W / 44.061°N 121.283°W / 44.061; -121.283
Tumalo Mountain Shield volcano 2,370
7,775
Pleistocene
44°00′18″N 121°38′31″W / 44.005°N 121.642°W / 44.005; -121.642
Mount Bachelor Stratovolcano 2,764
9,068
5800 BC
43°58′44″N 121°41′17″W / 43.979°N 121.688°W / 43.979; -121.688
Lava Butte Cinder cone 1,529
5,016
7,000 BP
43°55′05″N 121°21′22″W / 43.918°N 121.356°W / 43.918; -121.356
Newberry Volcano Shield volcano 2,435
7,989
690 AD
4
43°43′19″N 121°13′44″W / 43.722°N 121.229°W / 43.722; -121.229
Maiden Peak Shield volcano 2,383
7,818
-
43°37′34″N 121°55′30″W / 43.626°N 121.925°W / 43.626; -121.925
Davis Lake Volcanic field 2,163
7,096
2,790 BC?
43°34′N 121°49′W / 43.57°N 121.82°W / 43.57; -121.82
Diamond Peak Shield volcano , stratovolcano 2,665
8,744
Less than 100,000 BP (most likely 11,000 years ago)
43°31′12″N 122°08′56″W / 43.520°N 122.149°W / 43.520; -122.149
Devils Garden Volcanic field 1,698+
5,571
Unknown
43°30′43″N 120°51′40″W / 43.512°N 120.861°W / 43.512; -120.861
Squaw Ridge Volcanic field 1,711
5,613
Unknown
43°28′19″N 120°45′14″W / 43.472°N 120.754°W / 43.472; -120.754
Four Craters Volcanic field 1,501
4,924
Unknown
43°21′40″N 120°40′08″W / 43.361°N 120.669°W / 43.361; -120.669
Cinnamon Butte Cinder cones 1,956
6,417
Unknown
43°14′28″N 122°06′29″W / 43.241°N 122.108°W / 43.241; -122.108
Howlock Mountain Shield volcano 2,545
8,351
Pleistocene 43°11′31″N 122°02′20″W / 43.192°N 122.039°W / 43.192; -122.039
Mount Bailey Shield volcano 2,551
8,368
Less than 100,000 BP
43°09′18″N 122°13′16″W / 43.155°N 122.221°W / 43.155; -122.221
Mount Thielsen Shield volcano 2,799
9,184
Pleistocene
43°09′11″N 122°04′01″W / 43.153°N 122.067°W / 43.153; -122.067
Yamsay Mountain Shield volcano 2,498
8,196
Pleistocene
42°55′52″N 121°21′50″W / 42.931°N 121.364°W / 42.931; -121.364
Mount Mazama Stratovolcano , Shield volcano , Caldera , lava domes 2,487
8,159
2250 BC ± 300 years
42°56′N 122°07′W / 42.93°N 122.12°W / 42.93; -122.12
Mount Scott Stratovolcano 2,722
8,929
Pleistocene (400,000 years ago)42°55′23″N 122°01′05″W / 42.923°N 122.018°W / 42.923; -122.018
Hillman Peak Stratovolcano 2,484
8,157
Pleistocene 42°34′N 122°06′W / 42.57°N 122.10°W / 42.57; -122.10
Union Peak Shield volcano 2,350
7,709
Pleistocene
42°49′52″N 122°13′26″W / 42.831°N 122.224°W / 42.831; -122.224
Pelican Butte Shield volcano 2,450
8,037
300,000 BP
42°30′47″N 122°08′46″W / 42.513°N 122.146°W / 42.513; -122.146
Mount McLoughlin Stratovolcano with a cinder cone and underlied by a shield volcano 2,894
9,495
20,000 BP
42°26′42″N 122°18′54″W / 42.445°N 122.315°W / 42.445; -122.315
Brown Mountain Shield volcano with a cinder cone 2,238+
7,344+
12,000 years ago (main), 2,000 years ago (flank)
42°13′N 122°10′W / 42.21°N 122.16°W / 42.21; -122.16
Aspen Butte Shield volcano 2,502
8,208
Less than 3.5 ma
42°18′54″N 122°05′17″W / 42.315°N 122.088°W / 42.315; -122.088
Name
Type
Elevation
Elevation
Last eruption date
Last eruption VEI
Location
Medicine Lake Volcano Shield volcano 2,412
7,913
1260 ± 40 years
3?
41°21′47″N 121°19′48″W / 41.363°N 121.33°W / 41.363; -121.33
Rainbow Mountain Stratovolcano 2,322
7,619
Pleistocene
41°28′26″N 121°57′22″W / 41.474°N 121.956°W / 41.474; -121.956
Mount Shasta Stratovolcano 4,317
14,163
1250 ±
3
41°24′32″N 122°11′35″W / 41.409°N 122.193°W / 41.409; -122.193
Shastina Stratovolcano 3,758
12,330
7420 BC
41°24′N 122°13′W / 41.40°N 122.22°W / 41.40; -122.22
Black Butte Lava dome 1,902
6,242
9,000-10,000 BP
41°21′47″N 122°20′53″W / 41.363°N 122.348°W / 41.363; -122.348
Brushy Butte Shield volcano 1,174
3,852
Unknown
41°10′41″N 121°26′35″W / 41.178°N 121.443°W / 41.178; -121.443
Burney Mountain Lava dome complex, stratovolcano 2,397
7,864
230,000 years ago
40°29′N 121°22′W / 40.48°N 121.37°W / 40.48; -121.37
Magee Peak Stratovolcano 2,647
8,684
1 million years ago
40°25′N 121°22′W / 40.41°N 121.37°W / 40.41; -121.37
Big Cave Shield volcano 1,259
4,131
Unknown
40°57′18″N 121°21′54″W / 40.955°N 121.365°W / 40.955; -121.365
Twin Buttes Cinder cones 1,631
5,351
Unknown
40°46′37″N 121°35′28″W / 40.777°N 121.591°W / 40.777; -121.591
Tumble Buttes Cinder cones 2,191
7,188
Unknown
40°41′N 121°33′W / 40.68°N 121.55°W / 40.68; -121.55
Eagle Lake Field Fissure vents 1,652
5,420
Unknown
40°38′N 120°50′W / 40.63°N 120.83°W / 40.63; -120.83
Cinder Cone Cinder cone 2,105
6,907
350 BP
40°32′N 121°19′W / 40.53°N 121.32°W / 40.53; -121.32
Chaos Crags Lava domes 2,592
8,503
1,000 BP
40°32′N 121°31′W / 40.53°N 121.52°W / 40.53; -121.52
Lassen Peak Lava dome 3,189
10,462
1921
3
40°29′31″N 121°30′29″W / 40.492°N 121.508°W / 40.492; -121.508
Mount Tehama Stratovolcano 2,815
9,235
600,000 BP
40°26′N 121°33′W / 40.43°N 121.55°W / 40.43; -121.55
^ The relationship of the Silverthrone complex with other volcanoes in the Cascade Volcanic Arc is not clear and remains uncertain.[ 1] [ 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] [ 2] [ 3]
