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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 5.2 msMarch 30, 1996
96 km SSE of Nikolski, Alaska · depth 33 km
M 6.3 mwcMarch 30, 1996
81 km S of Nikolski, Alaska · depth 33 km
M 5.7 mwcMarch 30, 1996
82 km S of Nikolski, Alaska · depth 33 km
M 4.8 mbMarch 28, 1996
88 km SSE of Nikolski, Alaska · depth 33 km
M 5.5 mwcMarch 28, 1996
72 km S of Nikolski, Alaska · depth 33 km
M 5.8 mwcMarch 28, 1996
70 km S of Nikolski, Alaska · depth 33 km
M 4.5 mbMarch 28, 1996
8 km NW of Nikolski, Alaska · depth 33 km
M 4.6 mbMarch 28, 1996
61 km SSE of Nikolski, Alaska · depth 33 km
M 5.1 mbMarch 28, 1996
63 km SSE of Nikolski, Alaska · depth 33 km
M 5.4 mwcMarch 28, 1996
57 km SSE of Nikolski, Alaska · depth 33 km
M 5.2 mbMarch 28, 1996
77 km S of Nikolski, Alaska · depth 33 km
M 5.4 mwcMarch 28, 1996
70 km S of Nikolski, Alaska · depth 33 km
M 5.3 mwcMarch 27, 1996
72 km S of Nikolski, Alaska · depth 33 km
M 5.0 mbMarch 27, 1996
62 km S of Nikolski, Alaska · depth 33 km
M 4.6 mbMarch 27, 1996
59 km SSE of Nikolski, Alaska · depth 33 km
M 5.4 mwcMarch 26, 1996
86 km S of Nikolski, Alaska · depth 33 km
M 4.8 mbMarch 23, 1996
153 km SW of Nikolski, Alaska · depth 33 km
M 4.6 mbMarch 14, 1996
4 km W of Akutan, Alaska · depth 5 km
M 4.8 mlMarch 14, 1996
48 km NNW of Akutan, Alaska · depth 5 km
M 4.7 msMarch 14, 1996
16 km WNW of Akutan, Alaska · depth 5 km
M 4.7 mlMarch 14, 1996
35 km NNW of Akutan, Alaska · depth 5 km
M 4.7 mbMarch 11, 1996
22 km WNW of Akutan, Alaska · depth 5 km
M 4.9 mbMarch 8, 1996
18 km S of Susitna, Alaska · depth 58 km
M 5.4 mwMarch 3, 1996
117 km SSE of Old Harbor, Alaska · depth 10 km
M 4.6 mbFebruary 14, 1996
50 km E of Pedro Bay, Alaska · depth 124 km
M 5.6 mbFebruary 7, 1996
205 km SE of Chignik, Alaska · depth 33 km
M 4.9 mbFebruary 5, 1996
208 km SE of Chignik, Alaska · depth 50 km
M 4.5 mbFebruary 4, 1996
93 km S of Unalaska, Alaska · depth 33 km
M 5.2 mwJanuary 4, 1996
134 km WSW of Nikolski, Alaska · depth 33 km
M 5.7 mwDecember 30, 1995
66 km ESE of Denali National Park, Alaska · depth 137 km
M 4.6 mbDecember 28, 1995
119 km E of Chignik, Alaska · depth 120 km
M 4.8 mbDecember 7, 1995
23 km ENE of Chase, Alaska · depth 72 km
M 4.5 mbNovember 21, 1995
90 km NW of Yakutat, Alaska · depth 5 km
M 4.5 mbNovember 19, 1995
153 km SE of Nikolski, Alaska · depth 33 km
M 4.8 mbNovember 18, 1995
59 km SW of Harding-Birch Lakes, Alaska · depth 105 km
M 4.5 mbNovember 12, 1995
120 km ESE of Nikolski, Alaska · depth 33 km
M 4.8 mbNovember 7, 1995
150 km SW of Nikolski, Alaska · depth 33 km
M 5.5 mwNovember 7, 1995
153 km WSW of Nikolski, Alaska · depth 33 km
M 4.7 mbNovember 7, 1995
93 km SSW of Sand Point, Alaska · depth 33 km
M 4.7 mbOctober 30, 1995
26 km E of Point Possession, Alaska · depth 38 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.