Rank Volcano State Overall threat score Aviation threat score Coordinates 1 Kīlauea Hawaii 263 48 19°25′30″N 155°17′31″W / 19.425°N 155.292°W / 19.425; -155.292 2 Mount St. Helens Washington 235 59 46°12′N 122°11′W / 46.2°N 122.18°W / 46.2; -122.18 3 Mount Rainier Washington 203 37 46°52′12″N 121°45′29″W / 46.87°N 121.758°W / 46.87; -121.758 4 Redoubt Volcano Alaska 201 48 60°29′06″N 152°44′31″W / 60.485°N 152.742°W / 60.485; -152.742 5 Mount Shasta California 178 39 41°25′N 122°12′W / 41.42°N 122.2°W / 41.42; -122.2 6 Mount Hood Oregon 178 30 45°22′26″N 121°41′38″W / 45.374°N 121.694°W / 45.374; -121.694 7 Three Sisters Oregon 165 30 44°07′59″N 121°46′01″W / 44.133°N 121.767°W / 44.133; -121.767 8 Akutan Island Alaska 161 47 54°08′02″N 165°59′10″W / 54.134°N 165.986°W / 54.134; -165.986 9 Makushin Volcano Alaska 161 47 53°53′28″N 166°55′23″W / 53.891°N 166.923°W / 53.891; -166.923 10 Mount Spurr Alaska 160 48 61°17′56″N 152°15′04″W / 61.299°N 152.251°W / 61.299; -152.251 11 Lassen volcanic center California 153 32 40°29′31″N 121°30′29″W / 40.492°N 121.508°W / 40.492; -121.508 12 Augustine Volcano Alaska 151 48 59°21′47″N 153°25′48″W / 59.363°N 153.43°W / 59.363; -153.43 13 Newberry Volcano Oregon 146 30 43°43′19″N 121°13′44″W / 43.722°N 121.229°W / 43.722; -121.229 14 Mount Baker Washington 139 15 48°46′37″N 121°48′47″W / 48.777°N 121.813°W / 48.777; -121.813 15 Glacier Peak Washington 135 37 48°06′43″N 121°06′47″W / 48.112°N 121.113°W / 48.112; -121.113 16 Mauna Loa Hawaii 131 4 19°28′30″N 155°36′29″W / 19.475°N 155.608°W / 19.475; -155.608 17 Crater Lake Oregon 129 37 42°56′N 122°07′W / 42.93°N 122.12°W / 42.93; -122.12 18 Long Valley Caldera California 129 29 37°42′N 118°52′W / 37.7°N 118.87°W / 37.7; -118.87 19 Mount Okmok Alaska 117 47 53°26′N 168°08′W / 53.43°N 168.13°W / 53.43; -168.13 20 Iliamna Volcano Alaska 115 34 60°01′55″N 153°05′24″W / 60.032°N 153.09°W / 60.032; -153.09 21 Yellowstone caldera Wyoming 115 27 44°26′N 110°40′W / 44.43°N 110.67°W / 44.43; -110.67 22 Aniakchak Crater Alaska 112 41 56°53′N 158°10′W / 56.88°N 158.17°W / 56.88; -158.17 23 Hualālai Hawaii 109 27 19°41′31″N 155°52′12″W / 19.692°N 155.87°W / 19.692; -155.87 24 Mono-Inyo Craters California 106 29 37°53′N 119°00′W / 37.88°N 119°W / 37.88; -119 25 Mount Martin Alaska 106 23 58°10′19″N 155°21′40″W / 58.172°N 155.361°W / 58.172; -155.361 26 Mount Mageik Alaska 106 23 58°11′42″N 155°15′11″W / 58.195°N 155.253°W / 58.195; -155.253 27 Trident Volcano Alaska 106 29 58°14′10″N 155°06′00″W / 58.236°N 155.1°W / 58.236; -155.1 28 Mount Katmai Alaska 106 35 58°16′48″N 154°57′47″W / 58.28°N 154.963°W / 58.28; -154.963 29 Mount Veniaminof Alaska 102 47 56°10′N 159°23′W / 56.17°N 159.38°W / 56.17; -159.38 30 Atka volcanic complex Alaska 102 35 52°22′52″N 174°09′14″W / 52.381°N 174.154°W / 52.381; -174.154 31 Korovin Volcano Alaska 102 35 52°22′52″N 174°09′58″W / 52.381°N 174.166°W / 52.381; -174.166 32 Shishaldin Volcano Alaska 93 41 54°45′22″N 163°58′12″W / 54.756°N 163.97°W / 54.756; -163.97 33 Clear Lake volcanic field California 92 15 38°58′N 122°46′W / 38.97°N 122.77°W / 38.97; -122.77 34 Mount Adams Washington 92 15 46°12′22″N 121°29′24″W / 46.206°N 121.49°W / 46.206; -121.49 35 Hayes Volcano Alaska 90 34 61°38′24″N 152°24′40″W / 61.64°N 152.411°W / 61.64; -152.411 36 Westdahl Peak Alaska 89 47 54°31′05″N 164°39′00″W / 54.518°N 164.65°W / 54.518; -164.65 37 Novarupta Alaska 88 35 58°16′12″N 155°09′25″W / 58.27°N 155.157°W / 58.27; -155.157 38 Mount Churchill Alaska 82 29 61°23′N 141°45′W / 61.38°N 141.75°W / 61.38; -141.75 39 Kanaga Volcano Alaska 81 41 51°55′23″N 177°10′05″W / 51.923°N 177.168°W / 51.923; -177.168 40 Ugashik-Peulik volcanic complex Alaska 81 41 57°45′04″N 156°22′05″W / 57.751°N 156.368°W / 57.751; -156.368 41 Pavlof Volcano Alaska 81 35 55°25′12″N 161°53′13″W / 55.42°N 161.887°W / 55.42; -161.887 42 Mount Griggs Alaska 79 23 58°21′14″N 155°05′31″W / 58.354°N 155.092°W / 58.354; -155.092 43 Kaguyak Crater Alaska 79 29 58°36′29″N 154°01′41″W / 58.608°N 154.028°W / 58.608; -154.028 44 Pagan Island Northern Mariana Islands 79 28 18°08′N 145°48′E / 18.13°N 145.8°E / 18.13; 145.8 45 Medicine Lake California 78 19 41°35′N 121°34′W / 41.58°N 121.57°W / 41.58; -121.57 46 Great Sitkin Volcano Alaska 76 41 52°04′34″N 176°07′48″W / 52.076°N 176.13°W / 52.076; -176.13 47 Kasatochi Island Alaska 75 35 52°10′37″N 175°30′29″W / 52.177°N 175.508°W / 52.177; -175.508 48 Mount Cleveland Alaska 75 35 52°49′30″N 169°56′38″W / 52.825°N 169.944°W / 52.825; -169.944 49 Mount Moffett Alaska 73 17 51°56′38″N 176°44′49″W / 51.944°N 176.747°W / 51.944; -176.747 50 Seguam Island Alaska 73 47 52°18′54″N 172°30′36″W / 52.315°N 172.51°W / 52.315; -172.51 51 Fisher Caldera Alaska 71 35 54°39′N 164°26′W / 54.65°N 164.43°W / 54.65; -164.43 52 Snowy Mountain Alaska 71 12 58°20′10″N 154°40′55″W / 58.336°N 154.682°W / 58.336; -154.682 53 Fourpeaked Mountain Alaska 71 12 58°46′12″N 153°40′19″W / 58.77°N 153.672°W / 58.77; -153.672 54 Mount Douglas Alaska 71 12 58°51′18″N 153°32′31″W / 58.855°N 153.542°W / 58.855; -153.542 55 Semisopochnoi Island Alaska 70 41 51°56′N 179°35′E / 51.93°N 179.58°E / 51.93; 179.58 56 Salton Buttes California 68 14 33°12′N 115°37′W / 33.2°N 115.62°W / 33.2; -115.62 57 Agrigan Island Northern Mariana Islands 67 24 18°46′N 145°40′E / 18.77°N 145.67°E / 18.77; 145.67 58 Mount Edgecumbe Alaska 65 23 57°03′N 135°45′W / 57.05°N 135.75°W / 57.05; -135.75 59 Mount Vsevidof Alaska 65 29 53°07′48″N 168°41′35″W / 53.13°N 168.693°W / 53.13; -168.693 60 Mount Gareloi Alaska 64 35 51°47′24″N 178°47′38″W / 51.79°N 178.794°W / 51.79; -178.794 61 Tanaga Volcano Alaska 64 29 51°53′06″N 178°08′46″W / 51.885°N 178.146°W / 51.885; -178.146 62 Alamagan Island Northern Mariana Islands 64 24 17°36′N 145°50′E / 17.6°N 145.83°E / 17.6; 145.83 63 Anatahan Island Northern Mariana Islands 64 18 16°21′N 145°40′E / 16.35°N 145.67°E / 16.35; 145.67 64 Mount Dutton Alaska 63 12 55°10′05″N 162°16′19″W / 55.168°N 162.272°W / 55.168; -162.272 65 Roundtop Mountain Alaska 62 12 54°48′00″N 163°35′20″W / 54.8°N 163.589°W / 54.8; -163.589 66 Kukak Volcano Alaska 62 12 58°27′11″N 154°21′18″W / 58.453°N 154.355°W / 58.453; -154.355 67 Mount Recheschnoi Alaska 61 23 53°09′25″N 168°32′20″W / 53.157°N 168.539°W / 53.157; -168.539 68 Valles Caldera New Mexico 60 20 35°52′N 106°34′W / 35.87°N 106.57°W / 35.87; -106.57 69 Mono Lake volcanic field California 57 22 38°00′N 119°02′W / 38°N 119.03°W / 38; -119.03 70 Kiska Volcano Alaska 55 34 52°06′11″N 177°36′07″E / 52.103°N 177.602°E / 52.103; 177.602 71 Mount Chiginagak Alaska 55 23 57°08′06″N 156°59′24″W / 57.135°N 156.99°W / 57.135; -156.99 72 Coso volcanic field California 55 15 36°02′N 117°49′W / 36.03°N 117.82°W / 36.03; -117.82 73 Emmons Lake Alaska 54 23 55°20′28″N 162°04′44″W / 55.341°N 162.079°W / 55.341; -162.079 74 Pavlof Sister Alaska 54 23 55°27′11″N 161°50′35″W / 55.453°N 161.843°W / 55.453; -161.843 75 Little Sitkin Island Alaska 53 24 51°57′00″N 178°32′35″E / 51.95°N 178.543°E / 51.95; 178.543 76 Bogoslof Island Alaska 52 35 53°56′N 168°02′W / 53.93°N 168.03°W / 53.93; -168.03 77 Mount Dana Alaska 52 29 55°38′28″N 161°12′50″W / 55.641°N 161.214°W / 55.641; -161.214 78 Soda Lakes Nevada 51 13 39°32′N 118°52′W / 39.53°N 118.87°W / 39.53; -118.87 79 Mount Adagdak Alaska 51 6 51°59′17″N 176°35′31″W / 51.988°N 176.592°W / 51.988; -176.592 80 San Francisco Volcanic Field Arizona 51 20 35°22′N 111°30′W / 35.37°N 111.5°W / 35.37; -111.5 81 Yantarni Volcano Alaska 49 29 57°01′08″N 157°11′06″W / 57.019°N 157.185°W / 57.019; -157.185 82 Dotsero Colorado 49 13 39°39′N 107°02′W / 39.65°N 107.03°W / 39.65; -107.03 83 Guguan Island Northern Mariana Islands 48 24 17°19′N 145°51′E / 17.32°N 145.85°E / 17.32; 145.85 84 Takawangha volcano Alaska 47 17 51°52′23″N 178°00′22″W / 51.873°N 178.006°W / 51.873; -178.006 85 Frosty Peak Alaska 46 12 55°04′55″N 162°48′50″W / 55.082°N 162.814°W / 55.082; -162.814 86 Haleakalā Hawaii 45 3 20°42′29″N 156°15′00″W / 20.708°N 156.25°W / 20.708; -156.25 87 Mount Denison Alaska 44 12 58°25′05″N 154°26′56″W / 58.418°N 154.449°W / 58.418; -154.449 88 Mount Steller Alaska 44 12 58°26′N 154°24′W / 58.43°N 154.4°W / 58.43; -154.4 89 Black Peak Alaska 44 29 56°33′07″N 158°47′06″W / 56.552°N 158.785°W / 56.552; -158.785 90 Mammoth Mountain California 42 2 37°35′N 119°03′W / 37.58°N 119.05°W / 37.58; -119.05 91 Amukta Island Alaska 41 29 52°30′00″N 171°15′07″W / 52.5°N 171.252°W / 52.5; -171.252 92 Ukinrek maars Alaska 41 17 57°49′55″N 156°30′36″W / 57.832°N 156.51°W / 57.832; -156.51 93 Mount Kupreanof Alaska 40 12 56°00′40″N 159°47′49″W / 56.011°N 159.797°W / 56.011; -159.797 94 Mount Bachelor Oregon 39 7 43°58′44″N 121°41′17″W / 43.979°N 121.688°W / 43.979; -121.688 95 Farallon de Pajaros Northern Mariana Islands 37 20 20°32′N 144°54′E / 20.53°N 144.9°E / 20.53; 144.9 96 Sarigan Island Northern Mariana Islands 36 18 16°42′29″N 145°46′48″E / 16.708°N 145.78°E / 16.708; 145.78 97 East Diamante Northern Mariana Islands 36 18 15°56′N 145°40′E / 15.93°N 145.67°E / 15.93; 145.67 98 Yunaska Island Alaska 36 29 52°38′35″N 170°37′44″W / 52.643°N 170.629°W / 52.643; -170.629 99 Ubehebe Crater California 35 15 37°01′N 117°27′W / 37.02°N 117.45°W / 37.02; -117.45 100 Kagamil Volcano Alaska 35 17 52°58′26″N 169°43′12″W / 52.974°N 169.72°W / 52.974; -169.72 101 Mount Wrangell Alaska 35 3 62°00′N 144°01′W / 62°N 144.02°W / 62; -144.02 102 Black Rock Desert Utah 34 15 38°58′N 112°30′W / 38.97°N 112.5°W / 38.97; -112.5 103 Asuncion Island Northern Mariana Islands 32 16 19°40′N 145°24′E / 19.67°N 145.4°E / 19.67; 145.4 104 Mount Kialagvik Alaska 32 12 57°12′11″N 156°44′42″W / 57.203°N 156.745°W / 57.203; -156.745 105 St. Michael Island Alaska 31 12 63°27′N 162°07′W / 63.45°N 162.12°W / 63.45; -162.12 106 Mauna Kea Hawaii 30 2 19°49′N 155°28′W / 19.82°N 155.47°W / 19.82; -155.47 107 Carlisle Island Alaska 29 12 52°53′38″N 170°03′14″W / 52.894°N 170.054°W / 52.894; -170.054 108 Tana Alaska 29 12 52°50′N 169°46′W / 52.83°N 169.77°W / 52.83; -169.77 109 Zealandia Bank Northern Mariana Islands 28 16 16°53′N 145°51′E / 16.88°N 145.85°E / 16.88; 145.85 110 Segula Island Alaska 27 10 52°00′54″N 178°08′10″E / 52.015°N 178.136°E / 52.015; 178.136 111 Koniuji Island Alaska 26 17 52°13′N 175°08′W / 52.22°N 175.13°W / 52.22; -175.13 112 Ingakslugwat Hills Alaska 26 10 61°26′N 164°28′W / 61.43°N 164.47°W / 61.43; -164.47 113 Herbert Island Alaska 23 12 52°44′31″N 170°06′40″W / 52.742°N 170.111°W / 52.742; -170.111 114 Uliaga Island Alaska 23 12 53°03′54″N 169°46′12″W / 53.065°N 169.77°W / 53.065; -169.77 115 Chagulak Island Alaska 22 10 52°34′37″N 171°07′48″W / 52.577°N 171.13°W / 52.577; -171.13 116 Bobrof Volcano Alaska 20 6 51°54′36″N 177°26′17″W / 51.91°N 177.438°W / 51.91; -177.438 117 Amak Island Alaska 20 12 55°25′26″N 163°08′56″W / 55.424°N 163.149°W / 55.424; -163.149 118 Supply Reef Northern Mariana Islands 20 12 20°08′N 145°06′E / 20.13°N 145.1°E / 20.13; 145.1 119 South Sarigan Seamount Northern Mariana Islands 20 12 16°35′N 145°47′E / 16.58°N 145.78°E / 16.58; 145.78 120 Tutuila Island American Samoa 19 4 14°17′42″S 170°42′00″W / 14.295°S 170.7°W / -14.295; -170.7 121 (unnamed) Alaska 17 12 57°52′N 155°25′W / 57.87°N 155.42°W / 57.87; -155.42 122 Maug Islands Northern Mariana Islands 16 8 20°01′N 145°13′E / 20.02°N 145.22°E / 20.02; 145.22 123 Hell's Half Acre Idaho 14 1 43°30′N 112°27′W / 43.5°N 112.45°W / 43.5; -112.45 124 Craters of the Moon Idaho 14 0 43°25′N 113°30′W / 43.42°N 113.5°W / 43.42; -113.5 125 Mount Jefferson Oregon 13 0 44°41′31″N 121°48′00″W / 44.692°N 121.8°W / 44.692; -121.8 126 Taʻū Island American Samoa 12 0 14°13′48″S 169°27′14″W / 14.23°S 169.454°W / -14.23; -169.454 127 Ofu-Olosega American Samoa 12 0 14°10′30″S 169°37′05″W / 14.175°S 169.618°W / -14.175; -169.618 128 Wide Bay cone Alaska 12 1 53°58′05″N 166°40′37″W / 53.968°N 166.677°W / 53.968; -166.677 129 Buldir Volcano Alaska 12 5 52°21′00″N 175°54′40″E / 52.35°N 175.911°E / 52.35; 175.911 130 Davidof Island Alaska 12 5 51°58′N 178°20′E / 51.97°N 178.33°E / 51.97; 178.33 131 Indian Heaven Washington 12 0 45°56′N 121°49′W / 45.93°N 121.82°W / 45.93; -121.82 132 Belknap Crater Oregon 12 2 44°17′06″N 121°50′28″W / 44.285°N 121.841°W / 44.285; -121.841 133 Markagunt Plateau Utah 11 8 37°35′N 112°40′W / 37.58°N 112.67°W / 37.58; -112.67 134 West Crater Washington 11 1 45°53′N 122°05′W / 45.88°N 122.08°W / 45.88; -122.08 135 Buzzard Creek Alaska 10 2 64°04′N 148°25′W / 64.07°N 148.42°W / 64.07; -148.42 136 Black Butte Crater Idaho 10 1 43°11′N 114°21′W / 43.18°N 114.35°W / 43.18; -114.35 137 Wapi Flow Idaho 8 0 42°53′N 113°13′W / 42.88°N 113.22°W / 42.88; -113.22 138 Carrizozo Mountain New Mexico 6 0 33°47′N 105°56′W / 33.78°N 105.93°W / 33.78; -105.93 139 Stepovak Bay group Alaska 6 2 55°56′N 160°00′W / 55.93°N 160°W / 55.93; -160 140 Blue Lake crater Oregon 6 1 44°25′N 121°46′W / 44.42°N 121.77°W / 44.42; -121.77 141 Zuni-Bandera volcanic field New Mexico 5 0 34°48′N 108°00′W / 34.8°N 108°W / 34.8; -108 142 Sand Mountain volcanic field Oregon 5 1 44°23′N 121°56′W / 44.38°N 121.93°W / 44.38; -121.93 143 Duncan Canal Alaska 5 1 56°30′N 133°06′W / 56.5°N 133.1°W / 56.5; -133.1 144 Red Hill–Quemado volcanic field New Mexico 5 0 34°15′N 108°50′W / 34.25°N 108.83°W / 34.25; -108.83 145 Tlevak Strait-Suemez Island Alaska 5 0 55°15′N 133°18′W / 55.25°N 133.3°W / 55.25; -133.3 146 Behm Canal -Rudyerd Bay Alaska 5 1 55°19′N 131°03′W / 55.32°N 131.05°W / 55.32; -131.05 147 Davis Lake Oregon 4 0 43°34′N 121°49′W / 43.57°N 121.82°W / 43.57; -121.82 148 Jordan Craters Oregon 4 0 43°09′N 117°28′W / 43.15°N 117.47°W / 43.15; -117.47 149 St. Paul Island Alaska 4 0 57°11′N 170°18′W / 57.18°N 170.3°W / 57.18; -170.3 150 Cinnamon Butte Oregon 3 0 43°14′28″N 122°06′29″W / 43.241°N 122.108°W / 43.241; -122.108 151 Devils Garden Oregon 3 0 43°30′43″N 120°51′40″W / 43.512°N 120.861°W / 43.512; -120.861 152 Diamond Craters Oregon 3 0 43°06′N 118°45′W / 43.1°N 118.75°W / 43.1; -118.75 153 Uinkaret volcanic field Arizona 2 0 36°23′N 113°08′W / 36.38°N 113.13°W / 36.38; -113.13 154 Golden Trout Creek volcanic field California 2 0 36°21′29″N 118°19′12″W / 36.358°N 118.32°W / 36.358; -118.32 155 Fukujin Seamount Northern Mariana Islands 0 0 21°56′N 143°28′E / 21.93°N 143.47°E / 21.93; 143.47 156 Kasuga 2 Northern Mariana Islands 0 0 21°56′N 143°28′E / 21.93°N 143.47°E / 21.93; 143.47 157 Daikoku Seamount Northern Mariana Islands 0 0 21°36′00″N 143°38′13″E / 21.6°N 143.637°E / 21.6; 143.637 158 Ahyi Seamount Northern Mariana Islands 0 0 21°19′26″N 144°11′38″E / 21.324°N 144.194°E / 21.324; 144.194 159 Ruby Seamount Northern Mariana Islands 0 0 20°25′N 145°02′E / 20.42°N 145.03°E / 20.42; 145.03 160 Esmeralda Bank Northern Mariana Islands 0 0 15°37′N 145°34′E / 15.62°N 145.57°E / 15.62; 145.57 161 Imuruk Lake Alaska 0 0 15°00′N 145°15′W / 15°N 145.25°W / 15; -145.25 
From Wikipedia the free encyclopedia
