United States Earthquakes, 1947

By Leonard M. Murphy, 1950, U.S. Department of Commerce, Coast and Geodetic Survey, Serial Number 730, U.S. Government Printing Office, pp. 27-28.
(120th MERIDIAN OR PACIFIC STANDARD TIME)
WASHINGTON AND OREGON

January 12: 01:40. Strongest at Bothell and Snoqualmie Falls, Wash. Felt by several in lodge hall
	in Fall City and in homes in Monroe and North Bend.
April 1: 16:58. Olympia, Wash. Press reports shock of low intensity felt strongest in downtown
	district of Olympia and in Quilcene. A Boston Harbor resident reported a short, rocking motion which
	lasted about 1 second. A woman in Seattle felt a piano stool rock. Professor H. A. Coombs of the Uni-
	versity of Washington stated the quake originated within 40 miles of Seattle and was "just barely felt."
September 20: 02:30. Puyallup, Wash. Light shock felt by two persons in home. Dishes rattled
	and small objects were shifted. Rather loud noise at time of shock. Hanging objects swung NE. in
	Cove; and Eatonville residents reported windows, doors, and dishes rattled, a few were awakened.
November 23: 01:46:05.* See section on Western Mountain region for reports from Washington on
	this shock which centered in southwestern Montana.
December 22: 02:30. North-central Washington. Shock of intensity IV awakened several in Entiat
	neighborhood, and few in Lucerne, Orondo, and Tonasket (12 miles east of). Windows rattled in Entiat,
	and in Orondo windows, doors, and dishes rattled; houses creaked. One person at the latter place reported
	a rumbling, rattling sound.
December 24: 12:02. Klamath Falls, Oreg. Felt by several in central section of town, motion
	trembling, swaying. Loose objects rattled and buildings creaked. Pictures on walls and suspended
	lighting fixtures swayed. Few were alarmed. Faint bumping sounds heard.


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