12, 1939: Earthquake centered in Grays Harbor at 11:47 p.m., no damage in Clark County. 29, 1941: Magnitude 5.6, shakes Portland area. O April 13, 1949: Magnitude 7.1, centered in Olympia. 16, 1953: Magnitude 5.6, shakes Portland area and Vancouver, 8:35 p.m. 5, 1962: Magnitude 5.2, centered in Vancouver. O April 29, 1965: Magnitude 6.5, centered in Renton. 8, 1980: Magnitude 7.0, off the Oregon Coast. 3, 1981: Magnitude 6.2, centered off Oregon Coast. 22, 1981: Magnitude 5.7, centered off Oregon Coast. O March 13, 1985: Magnitude 6.1, off Oregon Coast, 140 miles west of Coos Bay. O July 12, 1991: Magnitude 6.6, 70 miles off the Oregon Coast. O March 25, 1993: Magnitude 5.6, centered in Scotts Mills southeast of Portland. 20, 1993: Magnitudes 5.9 and 6.0, centered 15 miles northwest of Klamath Falls. 4, 1993: Magnitude 5.1, centered 10 miles northwest of Klamath Falls, Ore. 28, 1995: Magnitude 5.0, centered 10 miles southwest of Seattle. O May 2, 1996: Magnitude 5.4, centered near Duvall. O July 2, 1999: Magnitude 5.9, centered at Satsop. 28, 2001: Magnitude 6.8 Nisqually earthquake, centered in the Puget Sound region. Worse damage is likely the next time the Cascadia fault ruptures off the Pacific coast - the last Cascadia earthquake was a magnitude 9.0, more than 100 times as powerful as the Nisqually quake. Gary Locke inspects a fissure in Deschutes Parkway in Olympia after the magnitude 6.8 Nisqually quake in 2001.
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