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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 · 200 km WSW of Yakutat, AlaskaNovember 30, 1987M 7.9 · 261 km SE of Chiniak, AlaskaJanuary 23, 2018M 7.9 · 2002 Denali Fault, Alaska EarthquakeNovember 3, 2002M 7.9 · Kodiak Island region, AlaskaOctober 9, 1900M 7.8 · 81 km E of Nikolski, AlaskaJuly 2, 1965M 7.8 · 234 km SSW of Nikolski, AlaskaMarch 7, 1929
All recorded earthquakes
M 4.5 mbApril 8, 2026
101 km N of Akutan, Alaska · depth 189 km
M 5.5 mwwMarch 5, 2026
92 km S of Nikolski, Alaska · depth 17 km
M 5.5 mwwFebruary 23, 2026
93 km SW of Nikolski, Alaska · depth 8 km
M 6.0 mwwFebruary 23, 2026
96 km SW of Nikolski, Alaska · depth 14 km
M 4.7 mwwFebruary 19, 2026
115 km SSW of Nikolski, Alaska · depth 10 km
M 4.5 mbFebruary 14, 2026
66 km SW of False Pass, Alaska · depth 80 km
M 4.6 mlFebruary 10, 2026
8 km NNW of Meadow Lakes, Alaska · depth 30 km
M 5.2 mwwJanuary 22, 2026
123 km SSE of Sand Point, Alaska · depth 36 km
M 4.7 mbJanuary 20, 2026
151 km SSW of Nikolski, Alaska · depth 10 km
M 4.5 mlJanuary 7, 2026
64 km SE of Denali National Park, Alaska · depth 133 km
M 4.5 mlJanuary 6, 2026
34 km ENE of Port Alsworth, Alaska · depth 189 km
M 5.3 mwwJanuary 1, 2026
113 km NNW of Yakutat, Alaska · depth 5 km
M 4.9 mbJanuary 1, 2026
109 km N of Yakutat, Alaska · depth 5 km
M 4.7 mbJanuary 1, 2026
113 km N of Yakutat, Alaska · depth 5 km
M 5.7 mwwJanuary 1, 2026
111 km N of Yakutat, Alaska · depth 5 km
M 5.1 mwwDecember 30, 2025
97 km N of Yakutat, Alaska · depth 5 km
M 4.5 mwrDecember 22, 2025
108 km N of Yakutat, Alaska · depth 5 km
M 5.0 mwwDecember 16, 2025
258 km ESE of Chiniak, Alaska · depth 10 km
M 4.8 mbDecember 12, 2025
102 km SSW of Nikolski, Alaska · depth 13 km
M 4.7 mwrDecember 10, 2025
121 km N of Yakutat, Alaska · depth 6 km
M 4.5 mbDecember 8, 2025
112 km N of Yakutat, Alaska · depth 7 km
M 5.8 mwwDecember 8, 2025
89 km N of Yakutat, Alaska · depth 10 km
M 4.8 mwrDecember 7, 2025
108 km N of Yakutat, Alaska · depth 5 km
M 5.1 mwwDecember 7, 2025
109 km N of Yakutat, Alaska · depth 5 km
M 4.6 mwrDecember 7, 2025
99 km SSE of Sand Point, Alaska · depth 35 km
M 4.6 mwwDecember 7, 2025
105 km N of Yakutat, Alaska · depth 6 km
M 4.6 mwwDecember 7, 2025
116 km N of Yakutat, Alaska · depth 5 km
M 4.7 mbDecember 7, 2025
144 km SE of Akutan, Alaska · depth 35 km
M 4.5 mbDecember 7, 2025
108 km NNW of Yakutat, Alaska · depth 5 km
M 5.2 mwwDecember 7, 2025
114 km N of Yakutat, Alaska · depth 7 km
M 4.5 mwrDecember 7, 2025
110 km N of Yakutat, Alaska · depth 5 km
M 4.5 mbDecember 6, 2025
97 km N of Yakutat, Alaska · depth 5 km
M 4.6 mbDecember 6, 2025
110 km N of Yakutat, Alaska · depth 7 km
M 4.9 mbDecember 6, 2025
96 km N of Yakutat, Alaska · depth 5 km
M 5.1 mlDecember 6, 2025
88 km NNE of Yakutat, Alaska · depth 11 km
M 4.8 mlDecember 6, 2025
84 km NNE of Yakutat, Alaska · depth 5 km
M 5.2 mbDecember 6, 2025
93 km NNE of Yakutat, Alaska · depth 5 km
M 6.0 mwwNovember 27, 2025
12 km WNW of Susitna, Alaska · depth 69 km
M 5.0 mwwNovember 25, 2025
54 km ENE of Nikolski, Alaska · depth 66 km
M 4.8 mlNovember 22, 2025
11 km WNW of Beluga, Alaska · depth 81 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.