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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 4.6 mbJanuary 26, 2003
117 km SW of Nikolski, Alaska · depth 33 km
M 5.5 mwcJanuary 26, 2003
122 km SW of Nikolski, Alaska · depth 33 km
M 5.1 mwJanuary 24, 2003
31 km NE of Paxson, Alaska · depth 1 km
M 5.2 mbJanuary 16, 2003
Kodiak Island region, Alaska · depth 10 km
M 5.5 mwcJanuary 8, 2003
179 km E of Atka, Alaska · depth 33 km
M 4.5 mwJanuary 6, 2003
86 km WNW of Paxson, Alaska · depth 6 km
M 4.7 mbJanuary 6, 2003
142 km S of False Pass, Alaska · depth 33 km
M 4.5 mbJanuary 1, 2003
71 km S of Nikolski, Alaska · depth 33 km
M 4.7 mbJanuary 1, 2003
80 km SSE of Nikolski, Alaska · depth 33 km
M 4.7 mbJanuary 1, 2003
68 km S of Nikolski, Alaska · depth 33 km
M 5.3 mwcJanuary 1, 2003
69 km S of Nikolski, Alaska · depth 33 km
M 5.6 mwbDecember 28, 2002
169 km S of Nikolski, Alaska · depth 10 km
M 4.9 mbDecember 15, 2002
130 km S of Unalaska, Alaska · depth 33 km
M 4.8 mbDecember 11, 2002
72 km S of Nikolski, Alaska · depth 33 km
M 4.5 mbDecember 4, 2002
145 km S of False Pass, Alaska · depth 33 km
M 4.8 mbDecember 3, 2002
135 km S of False Pass, Alaska · depth 33 km
M 5.2 mwDecember 1, 2002
25 km NNE of Paxson, Alaska · depth 6 km
M 5.6 mwcNovember 27, 2002
75 km SSW of Sand Point, Alaska · depth 33 km
M 4.6 mbNovember 15, 2002
56 km E of Cantwell, Alaska · depth 2 km
M 5.1 mwNovember 14, 2002
45 km NW of Paxson, Alaska · depth 5 km
M 4.6 mwNovember 13, 2002
38 km NW of Mentasta Lake, Alaska · depth 3 km
M 4.7 mbNovember 10, 2002
54 km ENE of Cantwell, Alaska · depth 11 km
M 5.1 mwNovember 8, 2002
17 km ESE of Mentasta Lake, Alaska · depth 13 km
M 5.0 mlNovember 8, 2002
21 km N of Nabesna, Alaska · depth 1 km
M 5.1 mwNovember 8, 2002
36 km ENE of Cantwell, Alaska · depth 6 km
M 5.0 mwNovember 8, 2002
60 km SW of Alcan Border, Alaska · depth 1 km
M 4.6 mwNovember 5, 2002
18 km N of Mentasta Lake, Alaska · depth 1 km
M 5.0 mwNovember 5, 2002
28 km NE of Paxson, Alaska · depth 11 km
M 4.8 mwNovember 5, 2002
Central Alaska · depth 1 km
M 4.9 mwNovember 5, 2002
Central Alaska · depth 5 km
M 4.8 mwNovember 5, 2002
15 km SE of Mentasta Lake, Alaska · depth 8 km
M 4.7 mbNovember 4, 2002
41 km WNW of Mentasta Lake, Alaska · depth 6 km
M 4.6 mwNovember 4, 2002
17 km NNE of Nabesna, Alaska · depth 1 km
M 4.5 mwNovember 4, 2002
33 km NNW of Nabesna, Alaska · depth 1 km
M 4.5 mbNovember 4, 2002
49 km WNW of Mentasta Lake, Alaska · depth 4 km
M 4.7 mbNovember 4, 2002
48 km E of Paxson, Alaska · depth 1 km
M 4.5 mwNovember 4, 2002
46 km ENE of Paxson, Alaska · depth -0 km
M 4.5 mbNovember 4, 2002
17 km NE of Nabesna, Alaska · depth 1 km
M 5.0 mbNovember 4, 2002
16 km WNW of Mentasta Lake, Alaska · depth -0 km
M 5.1 mbNovember 4, 2002
44 km ENE of Paxson, Alaska · depth 5 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.