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Alaska Earthquake History
Since October 9, 1900, the USGS has recorded 5,198 earthquakes of magnitude 4.5 or greater in Alaska, 420 of them magnitude 6 or above. The strongest was M 9.2.
By decade
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Strongest in Alaska
M 9.2 · The 1964 Prince William Sound, Alaska EarthquakeMarch 28, 1964M 8.6 · The 1946 Unimak Island, Alaska EarthquakeApril 1, 1946M 8.2 · 1938 Semidi Islands, Alaska EarthquakeNovember 10, 1938M 8.2 · 2021 Chignik, Alaska EarthquakeJuly 29, 2021M 7.9 · 261 km SE of Chiniak, AlaskaJanuary 23, 2018M 7.9 · 2002 Denali Fault, Alaska EarthquakeNovember 3, 2002M 7.9 · 200 km WSW of Yakutat, AlaskaNovember 30, 1987M 7.9 · Kodiak Island region, AlaskaOctober 9, 1900M 7.8 · 81 km E of Nikolski, AlaskaJuly 2, 1965M 7.8 · 22 km W of Elfin Cove, AlaskaJuly 10, 1958
All recorded earthquakes
M 5.1 mbOctober 25, 1995
121 km E of Nikolski, Alaska · depth 33 km
M 4.6 mbOctober 13, 1995
62 km ENE of Akutan, Alaska · depth 33 km
M 6.0 mwOctober 6, 1995
36 km E of Minto, Alaska · depth 9 km
M 4.9 mwOctober 5, 1995
69 km SE of Akutan, Alaska · depth 33 km
M 4.5 mbOctober 1, 1995
125 km SSE of Nikolski, Alaska · depth 33 km
M 4.6 mbSeptember 27, 1995
138 km S of False Pass, Alaska · depth 33 km
M 4.5 mbSeptember 25, 1995
76 km SSE of King Cove, Alaska · depth 38 km
M 4.5 mbSeptember 22, 1995
105 km SSW of Nikolski, Alaska · depth 33 km
M 4.5 mbSeptember 18, 1995
41 km WSW of McKinley Park, Alaska · depth 123 km
M 4.7 mbSeptember 17, 1995
135 km WSW of Nikolski, Alaska · depth 33 km
M 5.1 mwAugust 31, 1995
109 km SSE of Prudhoe Bay, Alaska · depth 35 km
M 4.5 mlAugust 25, 1995
26 km SSW of Ester, Alaska · depth 14 km
M 4.7 mbAugust 19, 1995
263 km SSW of Nikolski, Alaska · depth 33 km
M 4.7 mbAugust 19, 1995
145 km S of False Pass, Alaska · depth 33 km
M 5.4 mwAugust 18, 1995
142 km S of False Pass, Alaska · depth 33 km
M 4.8 mbJuly 27, 1995
Southern Alaska · depth 29 km
M 4.6 mbJuly 24, 1995
109 km ENE of Eagle Village, Alaska · depth 10 km
M 4.7 mbJuly 16, 1995
44 km S of Sand Point, Alaska · depth 33 km
M 4.6 mbJuly 14, 1995
120 km S of False Pass, Alaska · depth 33 km
M 4.6 mbJuly 14, 1995
77 km S of Unalaska, Alaska · depth 33 km
M 4.9 mbJuly 14, 1995
65 km SSW of Unalaska, Alaska · depth 33 km
M 4.7 mbJuly 12, 1995
120 km SE of Akutan, Alaska · depth 33 km
M 4.7 mbJuly 9, 1995
132 km S of False Pass, Alaska · depth 33 km
M 4.7 mbJuly 9, 1995
145 km S of False Pass, Alaska · depth 33 km
M 4.9 mbJuly 9, 1995
137 km S of False Pass, Alaska · depth 33 km
M 4.5 mbJuly 9, 1995
100 km SSW of False Pass, Alaska · depth 33 km
M 6.0 mwbJuly 8, 1995
143 km S of False Pass, Alaska · depth 21 km
M 4.6 mbJuly 8, 1995
139 km S of False Pass, Alaska · depth 33 km
M 4.9 mbJuly 6, 1995
124 km S of False Pass, Alaska · depth 33 km
M 4.8 mwJune 19, 1995
53 km SE of Port Graham, Alaska · depth 33 km
M 5.3 mwJune 6, 1995
48 km SW of Cordova, Alaska · depth 15 km
M 4.7 mbJune 4, 1995
95 km SSW of False Pass, Alaska · depth 40 km
M 4.7 mbJune 3, 1995
114 km S of Sand Point, Alaska · depth 33 km
M 4.7 mbMay 30, 1995
65 km WNW of Happy Valley, Alaska · depth 107 km
M 4.5 mbMay 24, 1995
23 km SSW of Anchorage, Alaska · depth 40 km
M 5.5 mwMay 24, 1995
26 km SSW of Anchorage, Alaska · depth 39 km
M 4.7 mbMay 22, 1995
53 km SE of King Salmon, Alaska · depth 145 km
M 4.8 mbMay 10, 1995
214 km SE of Nikolski, Alaska · depth 10 km
M 4.5 mbApril 28, 1995
97 km S of False Pass, Alaska · depth 33 km
M 4.7 msApril 28, 1995
88 km S of False Pass, Alaska · depth 33 km
Source: U.S. Geological Survey, Earthquake Hazards Program. Older and smaller earthquakes are under-counted relative to recent decades as instrumentation improved. A record of past shaking is not a forecast. See About the Data.