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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 5.1 mwrJune 5, 2014
145 km ESE of McCarthy, Alaska · depth 12 km
M 5.2 mwJune 4, 2014
63 km SW of Covenant Life, Alaska · depth 8 km
M 4.7 mlMay 30, 2014
29 km ENE of Noatak, Alaska · depth 15 km
M 5.8 mwMay 10, 2014
23 km WNW of Happy Valley, Alaska · depth 89 km
M 4.5 mlMay 5, 2014
19 km NE of Noatak, Alaska · depth 22 km
M 4.6 mlMay 5, 2014
24 km NE of Noatak, Alaska · depth 29 km
M 4.5 mwMay 5, 2014
21 km NNW of Moose Pass, Alaska · depth 38 km
M 5.0 mwMay 3, 2014
23 km NE of Noatak, Alaska · depth 30 km
M 4.9 mwMay 3, 2014
30 km NE of Noatak, Alaska · depth 26 km
M 4.9 mlMay 3, 2014
25 km ENE of Noatak, Alaska · depth 27 km
M 5.7 mwMay 3, 2014
25 km NE of Noatak, Alaska · depth 26 km
M 4.8 mbMay 2, 2014
170 km ENE of Atka, Alaska · depth 121 km
M 4.6 mlApril 19, 2014
26 km ENE of Noatak, Alaska · depth 10 km
M 5.0 mwApril 19, 2014
23 km ENE of Noatak, Alaska · depth 18 km
M 5.7 mwApril 18, 2014
18 km NE of Noatak, Alaska · depth 27 km
M 5.7 mwApril 18, 2014
22 km NE of Noatak, Alaska · depth 21 km
M 5.1 mwApril 16, 2014
50 km N of Chase, Alaska · depth 83 km
M 4.5 mbApril 1, 2014
86 km SSE of Akutan, Alaska · depth 38 km
M 5.0 mwMarch 30, 2014
27 km NNE of Skwentna, Alaska · depth 82 km
M 4.7 mbMarch 18, 2014
151 km SE of Akutan, Alaska · depth 5 km
M 4.6 mlMarch 12, 2014
71 km W of Nanwalek, Alaska · depth 86 km
M 6.1 mwwFebruary 26, 2014
210 km WNW of Nikolski, Alaska · depth 265 km
M 4.7 mlFebruary 25, 2014
49 km SW of Karluk, Alaska · depth 60 km
M 4.8 mbFebruary 25, 2014
169 km E of Atka, Alaska · depth 43 km
M 4.7 mbFebruary 23, 2014
101 km W of Nikolski, Alaska · depth 100 km
M 5.0 mbFebruary 17, 2014
147 km S of False Pass, Alaska · depth 29 km
M 4.5 mbFebruary 4, 2014
148 km SSE of False Pass, Alaska · depth 35 km
M 5.2 mwwJanuary 7, 2014
64 km SSE of Sand Point, Alaska · depth 40 km
M 4.5 mbDecember 26, 2013
175 km ENE of Atka, Alaska · depth 104 km
M 4.7 mbDecember 15, 2013
160 km WSW of Nikolski, Alaska · depth 26 km
M 4.5 mbDecember 10, 2013
57 km SSE of Sand Point, Alaska · depth 20 km
M 5.1 mwDecember 7, 2013
115 km SE of Perryville, Alaska · depth 28 km
M 5.4 mwDecember 7, 2013
59 km WSW of Akhiok, Alaska · depth 55 km
M 4.6 mbDecember 5, 2013
153 km S of False Pass, Alaska · depth 47 km
M 4.5 mwNovember 19, 2013
41 km E of Yakutat, Alaska · depth 18 km
M 4.5 mlNovember 17, 2013
32 km SW of Petersville, Alaska · depth 79 km
M 4.9 mbNovember 16, 2013
117 km S of False Pass, Alaska · depth 9 km
M 4.8 mwNovember 12, 2013
63 km N of Petersville, Alaska · depth 131 km
M 4.7 mbNovember 10, 2013
85 km SSE of Nikolski, Alaska · depth 7 km
M 4.6 mbNovember 3, 2013
39 km NNE of King Cove, Alaska · depth 145 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.