A 4.6 magnitude quake, initially reported as a 4.7 and followed by a 3.5 aftershock, was reported 4 miles below the surface near the town of Monroe, Washington just before 3 am Friday morning. The USGS website allows users to submit whether they felt the tremors, and has received reports as far East as Wenatchee and as far North as Vancouver, BC on this incident which was 30 miles Northeast of Seattle, Washington.

The U.S. Tsunami Warning System reports No Tsunami Warning, Advisory, Watch, or Threat was generated from this earthquake.