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Washington Earthquake History
Since March 14, 1903, the USGS has recorded 144 earthquakes of magnitude 4.5 or greater in Washington, 5 of them magnitude 6 or above. The strongest was M 6.8.
By decade
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Strongest in Washington
M 6.8 · 7 km SSE of Longbranch, WashingtonFebruary 28, 2001M 6.7 · 1 km ENE of Dash Point, WashingtonApril 29, 1965M 6.7 · 4 km WNW of Roy, WashingtonApril 13, 1949M 6.1 · Puget Sound region, WashingtonNovember 13, 1939M 6.0 · San Juan Islands, WashingtonJanuary 11, 1909M 6.0 · 3 km SW of Garrett, WashingtonJuly 16, 1936M 5.8 · 8 km N of Satsop, WashingtonJuly 3, 1999M 5.7 · 38 km NNE of Amboy, WashingtonMay 18, 1980M 5.6 · Near Marblemount, WashingtonAugust 18, 1915M 5.5 · 21 km SSE of Point Roberts, WashingtonJanuary 24, 1920
All recorded earthquakes
M 4.5 mlMarch 3, 2025
2025 Orcas Island, Washington · depth 16 km
M 4.5 mwrJanuary 24, 2020
46 km WNW of Neah Bay, Washington · depth 10 km
M 4.6 mlJuly 12, 2019
2 km S of Roosevelt, Washington · depth 29 km
M 4.6 mdNovember 18, 2011
8 km WSW of Riverside, Washington · depth 11 km
M 4.7 mlJanuary 30, 2009
6 km ESE of Lofall, Washington · depth 62 km
M 5.2 mwcSeptember 11, 2008
off the coast of Washington · depth 10 km
M 4.5 mdOctober 8, 2006
27 km NNE of Packwood, Washington · depth 2 km
M 4.8 mdApril 25, 2003
26 km W of Brinnon, Washington · depth 51 km
M 5.0 mdJune 10, 2001
18 km N of Satsop, Washington · depth 40 km
M 6.8 mdFebruary 28, 2001
7 km SSE of Longbranch, Washington · depth 52 km
M 5.8 mdJuly 3, 1999
8 km N of Satsop, Washington · depth 40 km
M 4.7 mbJanuary 27, 1998
off the coast of Washington · depth 10 km
M 4.5 mbJanuary 26, 1998
off the coast of Washington · depth 10 km
M 4.6 mdJune 24, 1997
16 km WNW of Malott, Washington · depth 10 km
M 4.9 mdJune 23, 1997
2 km NE of Enetai, Washington · depth 13 km
M 5.4 mdMay 3, 1996
8 km NNE of Lake Marcel-Stillwater, Washington · depth 4 km
M 5.0 mdJanuary 29, 1995
3 km WSW of Des Moines, Washington · depth 15 km
M 5.0 mdApril 14, 1990
4 km ENE of Deming, Washington · depth 12 km
M 4.9 mdDecember 24, 1989
9 km SE of Mineral, Washington · depth 17 km
M 4.5 mdMay 9, 1989
12 km WSW of Malott, Washington · depth 15 km
M 4.5 mdMarch 5, 1989
32 km S of Port Angeles East, Washington · depth 45 km
M 5.0 mdMay 28, 1981
23 km ESE of Packwood, Washington · depth 2 km
M 4.6 mdMay 28, 1981
22 km ESE of Packwood, Washington · depth 2 km
M 4.5 mdMay 13, 1981
21 km S of Morton, Washington · depth 9 km
M 5.2 mdFebruary 14, 1981
23 km S of Morton, Washington · depth 6 km
M 4.6 mbDecember 21, 1980
off the coast of Washington · depth 15 km
M 4.5 mdMay 18, 1980
37 km S of Morton, Washington · depth -1 km
M 5.7 mdMay 18, 1980
38 km NNE of Amboy, Washington · depth 2 km
M 4.7 mdMay 16, 1980
38 km NNE of Amboy, Washington · depth 0 km
M 4.6 mdMay 14, 1980
39 km S of Morton, Washington · depth 0 km
M 4.8 mdMay 12, 1980
39 km S of Morton, Washington · depth -0 km
M 4.6 mdMay 11, 1980
39 km S of Morton, Washington · depth 1 km
M 4.5 mdMay 10, 1980
39 km S of Morton, Washington · depth 0 km
M 4.6 mdMay 9, 1980
39 km SSE of Morton, Washington · depth 0 km
M 4.7 mdMay 9, 1980
38 km SSE of Morton, Washington · depth -1 km
M 4.6 mdMay 8, 1980
38 km S of Morton, Washington · depth 0 km
M 4.7 mdMay 8, 1980
39 km NNE of Amboy, Washington · depth -0 km
M 4.7 mdMay 7, 1980
38 km S of Morton, Washington · depth 0 km
M 4.6 mdMay 6, 1980
39 km SSE of Morton, Washington · depth 1 km
M 4.7 mdMay 5, 1980
39 km NNE of Amboy, Washington · depth 0 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.