On March 22, 2014, a large landslide near Oso dammed the North Fork of the Stillaguamish River, with mud and debris covering an area of one square mile (2.6 km2).
Meadowdale, Washington (Wikipedia) Meadowdale is a census-designated place (CDP) located in Snohomish County, Washington. As of the 2020 U.S. census, it had a population of 3,148. It was the first incorporated city in Snohomish County.
