2014 Oso mudslide
On 22 March 2014, a mudslide near the east side of Oso, Washington killed 41 people and injured 4 people. 2 people have been declared missing. The mudslide struck a rural neighborhood. The mudslide covered about a square mile.
2014 Oso Mudslide Media
2009 view to the southwest overlooking the slide site (on the left) and the Steelhead Haven plat across the Stillaguamish River. The unstable area is the area of lighter green trees to the right and beneath the river section that is visible. The mudslide flowed towards the upper left, across the river. All of the houses visible in the image were destroyed.
A view of the Oso area of Snohomish County, Wash., March 22, 2014, as a U.S. Navy search and rescue crew and three Navy firefighters based at Naval Air Station Whidbey Island, Wash., assist with search and recovery efforts following a mudslide that killed at least 14 people and left dozens missing. The slide covered a 1-square-mile area in a rural community about 55 miles northeast of Seattle.
Aerial view of slide ridge
Oblique aerial photograph of the 2014 landslide in northwest Washington. This image shows the entire extent of the landslide source area and path. This event is commonly named the “Oso Landslide” in many official reports. It is also referred to as the “SR530 Landslide,” as named by Snohomish County and Washington State. Credit: Mark Reid, USGS
