On April 29, 1945 at 12:16 p.m., a Magnitude 5.5 earthquake strikes near North Bend.
The earthquake damages chimneys in nearby towns including North Bend, Roslyn, and Cle Elum. At Roslyn a boy is hit by a falling brick. At Mount Si near North Bend “the earth buckled and heaved, and tons of rock and earth cascaded down the 4,000-foot cliffs ... ” The epicenter of the earthquake is at 47 degrees 24’ 00” North Latitude and 122 degrees 42’ 00” West Longitude and was felt over an 128,000 sq km area.
Linda Lawrance Noson, Anthony Quamar, and Gerald W. Thorsen, Washington State Earthquake Hazards (Olympia: Washington Department of Natural Resources, Division of Geology and Earth Resources Information Circular 85, 1988), 22, 49.
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