The Pacific Northwest Seismic Network reports mild shaking was felt in Longview, Castle Rock and Morton.
The University of Washington reports the quake was followed by a half-dozen small aftershocks in the next hour. Small quakes are common in the area around the volcano in southwest Washington.
More Northwest Headlines
1 dead, 2 injured in drive-by shooting in Federal Way 8:09 a.m. Yakima youngsters mix Legos, science education Activists rappel off Oregon bridge to stop Shell icebreaker Stanwood man pleads guilty to stealing from Swinomish tribe Death penalty dropped from Carnation killings trial Poll: Just 30 percent inclined to re-elect Gov. Inslee GOP lawmakers want Washington to look at Planned Parenthood Salvation Army sets up charging ports for Portland homeless
Our new comment system is not supported in IE 7. Please upgrade your browser here.