United States Earthquakes, 1948

By Leonard M. Murphy and Franklin P. Ulrich, 1951, U.S. Department of Commerce, Coast and Geodetic Survey, Serial Number 746, U.S. Government Printing Office, pp. 25-26.
WASHINGTON AND OREGON
(120th MERIDIAN OR PACIFIC STANDARD TIME)

January 12: 22:55. Lucerne and Waterville, Wash. Felt by many and awakened many in each
	community. House creaked and windows rattled. Also felt at Ardenvoir, Chelan, Chelan Falls, and
	Entiat.
   Negative reports were received from nine places.
February 13: 13:00. Adna, Wash. Light earthquake rattled windows. Negative reports were
	received from nine places.
February 29: 22:30. Buxton, Oreg. Slight shock felt by few, awakened one. Windows rattled.
March 21: 21:30. Hildebrand (southeast section), Oreg. Trembling motion lasting about 3 minutes
	rattled loose objects. Disturbed objects observed by several. Buildings creaked.
August 3: 04:00. Snoqualmie Falls, Wash. Awakened many. Awakened few at Fall City and
	North Bend. At the latter place it was reported as like two successive heavy explosions. Negative reports
	were received from 14 places in Washington and from one place in Oregon.
August 6: 18:05. Chehalis, Wash. Slight shock. Negative reports were received from 13 places.,
August 28: 14:25. Denison, Wash. Felt by several. Ground swayed and made persons feel queer
	when walking. Two miles northeast, dishes were shaken off cupboard. Felt by many in Deer Park where
	trees were shaken slightly, and in Spokane where windows and doors rattled and very slight surface sounds
	were heard. Also felt very lightly at Milan and Newport. Negative reports were received from seven places.
September 24: 14:35. Port Gamble, Wash. Severe shock sounding like blast shook large buildings.
	Rattled windows, frame creaked, hanging objects swung, books fell. Trees and bushes shaken moderately.
    INTENSITY V: Everett and Langley.
    INTENSITY IV: Bangor, Granite Falls, Port Ludlow, Possession, Quilcene, Seabold, Seattle, Snohomish,
	and Startup.
    INTENSITY I TO III: Bothell, Port Townsend, Potlatch, and Shelton.
    Negative reports were received from eight places.
October 25: 11:50. Chelan and Nespelem, Wash. Slight shock rattled dishes at Chelan and jarred
	house in Nespelem.
    Negative reports were received from 13 places.
December 20: 08:17. Fosil and Klamath Falls, Oreg. Felt by few in former community where
	windows rattled and trees and bushes were shaken slightly. At the latter, felt by two in house, building
	creaked. Negative reports were received from 40 places.


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