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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 4.5 mlJanuary 23, 2019
15 km W of Big Lake, Alaska · depth 46 km
M 5.2 mwwJanuary 22, 2019
87 km ESE of King Salmon, Alaska · depth 122 km
M 4.5 mbJanuary 14, 2019
96 km WSW of Nikolski, Alaska · depth 46 km
M 4.9 mlJanuary 14, 2019
78 km SW of Kaktovik, Alaska · depth 6 km
M 5.0 mlJanuary 13, 2019
8 km SW of Point MacKenzie, Alaska · depth 45 km
M 4.6 mlJanuary 11, 2019
6 km SSE of Big Lake, Alaska · depth 50 km
M 4.5 mlJanuary 9, 2019
114 km NNE of Arctic Village, Alaska · depth 15 km
M 5.1 mlJanuary 6, 2019
61 km WNW of Tanana, Alaska · depth 17 km
M 4.9 mlJanuary 2, 2019
33 km NNW of Aleneva, Alaska · depth 62 km
M 5.0 mlJanuary 1, 2019
7 km SSE of Point MacKenzie, Alaska · depth 44 km
M 6.0 mwwDecember 31, 2018
87 km SE of King Cove, Alaska · depth 31 km
M 4.5 mwDecember 30, 2018
83 km SW of Kaktovik, Alaska · depth 18 km
M 4.6 mwwDecember 30, 2018
271 km SE of Chiniak, Alaska · depth 23 km
M 4.8 mwDecember 27, 2018
9 km SSW of Point MacKenzie, Alaska · depth 41 km
M 4.9 mwDecember 27, 2018
68 km SW of Akhiok, Alaska · depth 40 km
M 4.7 mwDecember 9, 2018
7 km SW of Knik, Alaska · depth 41 km
M 4.8 mwDecember 6, 2018
2 km SSE of Point MacKenzie, Alaska · depth 43 km
M 4.5 mlDecember 5, 2018
5 km SW of Point MacKenzie, Alaska · depth 42 km
M 4.5 mwDecember 4, 2018
6 km NW of Point MacKenzie, Alaska · depth 38 km
M 4.5 mwDecember 2, 2018
5 km SE of Point MacKenzie, Alaska · depth 52 km
M 4.5 mwDecember 1, 2018
6 km SSE of Big Lake, Alaska · depth 34 km
M 5.1 mwDecember 1, 2018
0 km SW of Point MacKenzie, Alaska · depth 43 km
M 5.0 mwDecember 1, 2018
4 km SSE of Big Lake, Alaska · depth 51 km
M 4.6 mwDecember 1, 2018
1 km N of Point MacKenzie, Alaska · depth 45 km
M 4.5 mlNovember 30, 2018
7 km WNW of Point MacKenzie, Alaska · depth 37 km
M 5.0 mlNovember 30, 2018
Southern Alaska · depth 38 km
M 4.8 mlNovember 30, 2018
1 km NW of Point MacKenzie, Alaska · depth 40 km
M 5.2 mwwNovember 30, 2018
6 km S of Big Lake, Alaska · depth 40 km
M 4.5 mlNovember 30, 2018
1 km N of Big Lake, Alaska · depth 43 km
M 4.9 mlNovember 30, 2018
7 km N of Anchorage, Alaska · depth 46 km
M 5.8 mwNovember 30, 2018
7 km NNW of Anchorage, Alaska · depth 41 km
M 4.6 mlNovember 30, 2018
5 km SSE of Big Lake, Alaska · depth 37 km
M 4.5 mlNovember 30, 2018
4 km NNW of Point MacKenzie, Alaska · depth 47 km
M 7.1 mwNovember 30, 2018
1 km SE of Point MacKenzie, Alaska · depth 47 km
M 5.6 mwNovember 21, 2018
50 km ENE of Pedro Bay, Alaska · depth 143 km
M 4.7 mbNovember 20, 2018
108 km SE of King Cove, Alaska · depth 35 km
M 4.6 mlNovember 16, 2018
31 km NNW of Brevig Mission, Alaska · depth 9 km
M 4.6 mbNovember 15, 2018
16 km E of Unalaska, Alaska · depth 84 km
M 4.5 mbNovember 4, 2018
236 km SE of Chiniak, Alaska · depth 5 km
M 4.5 mwrOctober 30, 2018
117 km SSW of False Pass, Alaska · depth 10 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.