WASHINGTON AND OREGON (120th MERIDIAN OR PACIFIC STANDARD TIME) January 17: 22:58:20.2*. Epicenter 47.3 degrees north, 122.6 degrees west, Washington, W. Magni- tude 3.1, S. Press reports indicated an inten- sity IV at Puyallup, Seattle, and Tacoma. Felt north to Edmonds. February 13: No time given. Intensity II at Prosser, Wash. March 6: 19:51:07.6*. Epicenter 47.8 degrees north, 122.7 degrees west, Washington, W. Magni- tude 4. 4. V. Felt over an area of approxi- mately 7,500 square miles of northwestern Washington. The shock was sharp, and felt throughout the Puget Sound area, but caused no damage. Houses shook as far north as Victoria, B.C. Intensity V effects were noted at Baring, Chimacum (east of), Dash Point, Edmonds, Hadlock, Indianola, Keyport, Lowell, Preston, Quilcene, Seattle, and Sil- verton; intensity IV at Auburn, Beaver Lake, Bremerton, Brinnon, Clinton, Cumberland, Des Moines, Dockton, Gold Bar, Granite Falls, Greenbank, Issaquah, Kapowsin, Lang- ley, McMillin, Manchester (north of), Mil- ton, Mountlake Terrace, Olympia, Port Gamble, Port Ludlow, Port Orchard, Sea- beck, Stanwood, Summer, Tahuya, Tracyton, and Wilkeson; intensity I-III at Alder, Allyn, Belfair, Buckley, Burley, Burton, Coupeville, Electron, Fall City, Freeland, Gig Harbor, Graham, Grapeview, Hansville, Hobart, In- dex, Kingston, Lakebay, Littlerock (west of), Lynnwood, Mercer Island, Monroe, Olalla, Pacific, Portage, Port Townsend, Poulsbo, Puyallup, Richmond Beach, Rochester, Roll- ingbay, Seattle Heights, Skykomish, Sultan, Vashon (near), and Vaughn. May 15: 17:01. Felt at Lynden, Wash. May 25: 15:22:34*. Epicenter 48.1 degrees north, 122.8 degrees west, Washington, W. Magni- tude 4. 5. Felt at Seattle. December 19: 13:41. A press report indi- cated a mild tremor was observed in por- tions of South Seattle and Mercer Island, Wash.
UW Dept. of Earth and Space Sciences ..... . PNW EARTHQUAKES