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Oregon Earthquake History
Since August 5, 1910, the USGS has recorded 659 earthquakes of magnitude 4.5 or greater in Oregon, 33 of them magnitude 6 or above. The strongest was M 7.0.
By decade
'10
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Strongest in Oregon
M 7.0 · 136 km WSW of Brookings, OregonAugust 17, 1991M 6.9 · 103 km W of Pistol River, OregonJuly 13, 1991M 6.5 · 259 km W of Bandon, OregonMarch 13, 1985M 6.5 · 235 km W of Port Orford, OregonAugust 5, 1910M 6.4 · 213 km W of Port Orford, OregonAugust 20, 1952M 6.4 · off the coast of OregonSeptember 11, 1928M 6.3 · off the coast of OregonMay 8, 1968M 6.3 · 248 km W of Bandon, OregonOctober 27, 1994M 6.3 · off the coast of OregonJanuary 16, 2003M 6.3 · 242 km WNW of Bandon, OregonJanuary 10, 2008
All recorded earthquakes
M 5.6 msAugust 3, 1938
163 km WNW of Barview, Oregon
M 6.2 mwMay 28, 1938
149 km W of Port Orford, Oregon · depth 10 km
M 5.9 mwNovember 10, 1937
238 km W of Port Orford, Oregon · depth 15 km
M 6.0 mbNovember 5, 1936
off the coast of Oregon
M 6.3 mwSeptember 25, 1936
off the coast of Oregon · depth 10 km
M 5.5 msMarch 26, 1933
off the coast of Oregon
M 5.8 mwJune 20, 1932
244 km W of Bandon, Oregon · depth 15 km
M 6.0 mbMarch 2, 1932
off the coast of Oregon
M 5.5 mwAugust 14, 1929
off the coast of Oregon · depth 15 km
M 6.4 mwSeptember 11, 1928
off the coast of Oregon · depth 15 km
M 5.8 mwJuly 14, 1927
207 km W of Port Orford, Oregon · depth 15 km
M 6.2 mwJune 5, 1926
283 km W of Bandon, Oregon · depth 15 km
M 5.8 mwMay 12, 1926
off the coast of Oregon · depth 15 km
M 6.0 mwJune 4, 1925
48 km WNW of Langlois, Oregon · depth 15 km
M 5.8 msFebruary 24, 1924
228 km WNW of Barview, Oregon
M 5.9 mwFebruary 24, 1924
off the coast of Oregon · depth 15 km
M 5.0 mlJanuary 11, 1923
3 km ENE of Lakeview, Oregon
M 6.2 mwAugust 22, 1914
off the coast of Oregon · depth 15 km
M 6.5 mwAugust 5, 1910
235 km W of Port Orford, Oregon · depth 15 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.