WASHINGTON AND OREGON [120th meridian or Pacific standard time] January 5: 15:13*. Near Sultan, Wash., about 30 miles northeast of Seattle, IV. See map. Moderate shock recorded at the University of Washington, near Seattle. Superficial damage reported at Monroe, although it is doubt- ful whether grade V was reached. IV at Bothell, Carnation, Darrington, Granite Falls, Monroe, Port Madison, Seattle, Silverton, Snohomish, and Sultan. Force III and under at Bellingham, Bryant, Bucoda, Chehalis, Goldbar, Longmire, Lowell, Mukilteo, Olalla, Olympia, Oso, Poulsbo, Quilcene, and Rollingbay. January 6: 14:35. Pysht, Wash., II. January 14: 8:18. Portland, and Willamette, Oreg., IV. Also felt at Forest Grove, Hillsboro, Longview, Ridgefield, Vancouver, and Yacolt, Wash. January 81: 7:25. Alderwood Manor, Wash., III. February 10: 23:10. Sultan, Wash., III+. February 19: 12:13. Sultan, Wash., III+. February 29: 9:45. Florence, Wash., slight. April 28: 5:20. Sedro-Wooley, Wash., no damage. June 10: 18:55. Fortson, IV. Also felt at Bryant, Granite Falls, and Hartford. Felt most strongly at Edgecomb. June 18: 10:30. Sultan, Wash., feeble. July 17: 22:03*. Near Sultan, Wash., about 30 miles northeast of Seattle, IV. See map. The most widespread shock of the year in this locality. No
damage reported. Recorded on the University of Washington seismograph which indicated a distance of about 70 km. ignoring depth of focus. It was relatively deep-seated judging from the distribution of intensity. IV at Bothell, Bryant, Carnation, Cedar Falls, Everett, Goldbar, Hunts Point, Index, Lakeside, Leavenworth, Maple Valley, Miller River, Nigger Creek, Olalla Canyon, Pateros, Renton, Robe, Silverton, Snohomish, Sultan, Tracyton, Wenatchee. III and under at Big Four, Birdsview, Black- Diamond, Campville, Cashmere, Chelan, Cle Elum, Concrete, Conway, Coupeville, Custer, Darrington, Easton, Edgecomb, Edmonds, Ellensburg Entiot, Florence, Granite Falls, Issaquah, Kanaskat, Kent, Lake Sammamish, La Grande, Longmire, Lowell, Mansfield, Monitor, McMurray, Monroe, Mount Vernon, Mukilteo, Olympia, Peshastin, Pinehurst, Port Orchard, Port Townsend, Puyallup, Quilcene, Ronald, Seattle, Sedro-Wooley, Sequim, Snoqualmie, Snoqualmie Pass, Summit, Sunnyside, Tacoma, Waterville, Winslow, Winton, and Yakima. August 6: 14:16. Seattle, Wash., VI. See map. Strongly localized. No other towns report intensity higher than IV. Recorded at Seattle, where a few chimneys were demolished, and others badly damaged. IV at Langley and Medina. III and under at Bainbridge Island, Bellevue, Bothell, Burien, Cove, (Des Moines), Earlington, Fletcher Bay, Maple Valley, Mukilteo, Moran School, Olalla, Port Madison, Possession, Richmond Beach, (Rich- mond Highlands), (Rollingbay), Southworth, Suquamish, Tracyton, and Vashon. (Parentheses indicate time of day not reposed, and possible con- fusion with shock at 22 h.) August 6: 22:00. Near Sultan, Wash., about 30 miles northeast of Seattle, IV. See map. Moderate. IV at Baring, Burley, Kerriston, and Startup, Wash. III and under at (Alder), Algona, Auburn, (Black Diamond), (Clinton), Dash Point, Ellisport, Fort Steilacoom, Lakebay, Lakota, Lyman, (Maple Valley), Norman, Oak Harbor, Portage, and Waterman, Wash . (Paren- theses indicate time of day not reported, and possible confusion with shock at 14 h.) August 15: 2:30. Chelan, Wash., III. August 25: 3:20. Seattle, Wash., III. August 30: 23:50. Sultan, Wash., III. September 5: 10:30. Lakeside, Wash., III. Slight shock. September 19: 23:05. Sultan, Wash., III. Slight shock. October 5: 11:20. Anacortes, Wash., IV. Also felt at Prevost.
UW Dept. of Earth and Space Sciences ..... . PNW EARTHQUAKES
University of Washington Dept. of Earth and Space Sciences, Box 351310 Seattle, WA, 98195-1310