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