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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 mbSeptember 13, 2000
55 km W of Anchor Point, Alaska · depth 95 km
M 4.6 mbSeptember 10, 2000
7 km E of Big Lake, Alaska · depth 57 km
M 5.3 mwSeptember 1, 2000
71 km SE of Denali National Park, Alaska · depth 137 km
M 4.5 mbAugust 30, 2000
87 km W of Akhiok, Alaska · depth 44 km
M 4.5 mbAugust 19, 2000
12 km WSW of Tyonek, Alaska · depth 58 km
M 4.5 mbAugust 19, 2000
82 km SE of Ugashik, Alaska · depth 51 km
M 4.6 mbAugust 14, 2000
87 km SSW of Sand Point, Alaska · depth 33 km
M 5.5 mbJuly 11, 2000
23 km SSE of Karluk, Alaska · depth 38 km
M 6.5 mwJuly 11, 2000
24 km SSW of Larsen Bay, Alaska · depth 43 km
M 4.6 mbJuly 9, 2000
64 km N of Petersville, Alaska · depth 136 km
M 4.5 mbJuly 9, 2000
99 km SW of Nikolski, Alaska · depth 33 km
M 4.5 mbJuly 4, 2000
46 km ESE of Akutan, Alaska · depth 54 km
M 5.2 mwJune 28, 2000
131 km SE of Halibut Cove, Alaska · depth 10 km
M 4.7 mbJune 18, 2000
79 km NW of White Mountain, Alaska · depth 25 km
M 4.6 mbJune 18, 2000
182 km WSW of Nikolski, Alaska · depth 33 km
M 4.8 mbJune 15, 2000
19 km S of Port Graham, Alaska · depth 49 km
M 5.4 mwcMay 25, 2000
125 km ESE of Nikolski, Alaska · depth 33 km
M 4.5 mbMay 19, 2000
43 km ESE of Akutan, Alaska · depth 44 km
M 5.8 mwMay 19, 2000
63 km WSW of Nanwalek, Alaska · depth 75 km
M 4.9 mbMay 11, 2000
Unimak Island region, Alaska · depth 33 km
M 4.5 mbMay 10, 2000
105 km SE of Akhiok, Alaska · depth 23 km
M 5.0 mwMay 8, 2000
29 km SSE of Karluk, Alaska · depth 36 km
M 5.3 mwMay 2, 2000
5 km N of Yakutat, Alaska · depth 16 km
M 4.6 mbMay 2, 2000
34 km NNW of Valdez, Alaska · depth 37 km
M 5.1 msApril 7, 2000
164 km SW of Nikolski, Alaska · depth 33 km
M 5.3 mwcApril 7, 2000
165 km SW of Nikolski, Alaska · depth 33 km
M 4.5 mbApril 6, 2000
152 km SW of Nikolski, Alaska · depth 33 km
M 4.6 mbApril 6, 2000
151 km SW of Nikolski, Alaska · depth 33 km
M 4.7 mbMarch 28, 2000
66 km SSE of King Cove, Alaska · depth 0 km
M 4.6 mbMarch 26, 2000
79 km SE of Sand Point, Alaska · depth 23 km
M 4.9 mbMarch 22, 2000
41 km W of Tyonek, Alaska · depth 82 km
M 4.7 mbMarch 16, 2000
13 km S of Womens Bay, Alaska · depth 1 km
M 5.0 mwMarch 16, 2000
5 km NE of Point MacKenzie, Alaska · depth 39 km
M 4.7 mbMarch 15, 2000
164 km ESE of Akutan, Alaska · depth 10 km
M 5.4 mwMarch 8, 2000
33 km N of Skwentna, Alaska · depth 98 km
M 5.4 mwMarch 8, 2000
27 km SW of Larsen Bay, Alaska · depth 40 km
M 5.4 mwMarch 1, 2000
40 km S of Cordova, Alaska · depth 10 km
M 5.0 mwFebruary 27, 2000
39 km SSW of Cordova, Alaska · depth 18 km
M 4.7 mbFebruary 26, 2000
71 km SE of King Cove, Alaska · depth 57 km
M 4.8 mbFebruary 26, 2000
99 km SE of King Cove, Alaska · depth 33 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.