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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 4.8 mbMay 17, 1993
71 km SE of Denali National Park, Alaska · depth 130 km
M 5.7 mwMay 17, 1993
49 km SE of Sand Point, Alaska · depth 33 km
M 5.1 mwMay 13, 1993
41 km SSE of Sand Point, Alaska · depth 33 km
M 6.9 mwMay 13, 1993
17 km S of Sand Point, Alaska · depth 32 km
M 5.1 mwMay 13, 1993
9 km ESE of Eureka Roadhouse, Alaska · depth 50 km
M 5.0 mwApril 22, 1993
33 km SSW of Akhiok, Alaska · depth 34 km
M 4.8 mbApril 21, 1993
121 km SW of Nikolski, Alaska · depth 33 km
M 4.6 mbApril 19, 1993
106 km SSW of Nikolski, Alaska · depth 33 km
M 5.5 mwApril 16, 1993
107 km SSW of Akhiok, Alaska · depth -3 km
M 5.9 mwApril 14, 1993
201 km S of Nikolski, Alaska · depth 33 km
M 5.4 mwApril 4, 1993
112 km SE of Akutan, Alaska · depth 33 km
M 5.0 mbMarch 20, 1993
48 km SE of Unalaska, Alaska · depth 33 km
M 5.2 mbMarch 19, 1993
57 km WNW of Nanwalek, Alaska · depth 102 km
M 4.6 mbMarch 18, 1993
94 km ESE of Akutan, Alaska · depth 33 km
M 4.5 mbMarch 18, 1993
41 km SW of Unalaska, Alaska · depth 33 km
M 4.5 mbMarch 14, 1993
64 km SSE of Akutan, Alaska · depth 69 km
M 4.6 mbMarch 8, 1993
31 km NW of Susitna, Alaska · depth 65 km
M 5.1 mwMarch 5, 1993
63 km SSE of King Cove, Alaska · depth 33 km
M 4.7 mbMarch 5, 1993
159 km S of False Pass, Alaska · depth 33 km
M 5.1 mbFebruary 25, 1993
95 km SSW of Sand Point, Alaska · depth 33 km
M 4.7 mbFebruary 24, 1993
77 km SE of False Pass, Alaska · depth 49 km
M 5.0 mbFebruary 23, 1993
113 km SSW of Sand Point, Alaska · depth 20 km
M 4.9 mbFebruary 21, 1993
105 km S of False Pass, Alaska · depth 33 km
M 4.5 mbFebruary 18, 1993
108 km SE of Akutan, Alaska · depth 33 km
M 4.7 mbFebruary 18, 1993
119 km SE of Akutan, Alaska · depth 33 km
M 4.7 mbFebruary 18, 1993
93 km SE of Akutan, Alaska · depth 33 km
M 4.7 mbFebruary 12, 1993
27 km ESE of Susitna North, Alaska · depth 42 km
M 4.5 mbFebruary 9, 1993
55 km SW of Nikolski, Alaska · depth 33 km
M 4.9 mbFebruary 9, 1993
73 km SSW of Nikolski, Alaska · depth 33 km
M 4.6 mbFebruary 9, 1993
77 km SSW of Nikolski, Alaska · depth 33 km
M 4.7 mbFebruary 6, 1993
66 km N of Petersville, Alaska · depth 128 km
M 4.8 mbFebruary 6, 1993
Kodiak Island region, Alaska · depth 10 km
M 4.5 mbFebruary 2, 1993
38 km SW of Nanwalek, Alaska · depth 69 km
M 5.0 mbJanuary 25, 1993
60 km SSE of Sand Point, Alaska · depth 6 km
M 5.6 mwJanuary 23, 1993
78 km SE of King Cove, Alaska · depth 23 km
M 4.6 mbDecember 7, 1992
232 km SE of Nikolski, Alaska · depth 33 km
M 5.4 mwDecember 2, 1992
29 km WNW of Susitna, Alaska · depth 67 km
M 5.0 mbNovember 21, 1992
72 km S of Nikolski, Alaska · depth 33 km
M 5.1 mwNovember 21, 1992
73 km S of Nikolski, Alaska · depth 33 km
M 5.0 mbNovember 1, 1992
30 km W of Ferry, Alaska · depth 147 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.