On April 29, 1945 at 12:16 p.m., a Magnitude 5.5 earthquake strikes near North Bend.  Minor damage, such as cracked plaster and chimneys (MM VI - VII), was reported from North Bend, Palmer, and Stampede Pass.

At Roslyn a boy is hit by a falling brick.

There were large rocke slides on the west face of 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 130,000 sq km area - the greater portion of Washington, a small section of western Idaho, and in the vicinity of Portland, Oregon.

A strong aftershock caused additional slight damage at North Bend about 10 hours later; another aftershock on May 1 was widely felt.