SNOHOMISH COUNTY, WASHINGTON - MARCH 22:  In this handout from the Washington State Patrol, emergency workers examine debris after a mudslide March 22, 2014 in Snohomish County, Washington. According to reports, 18 people are still missing after a mudslide killed three and injured another eight. The mudslide is said to measure a square mile and 15 feet deep in places.  (Photo by Washington State Patrol via Getty Images)