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43 people were killed in Oso in 2014 in a landslide. Now, a permanent memorial stands at the site of the slide.
OSO, Wash. - On March 22, 2014, a landslide devoured an entire subdivision of the town of Oso in Snohomish County, killing 43 people. It remains the deadliest landslide in U.S. history.
OSO, WA - MARCH 25: A structure sits in ruins in the aftermath of a mudslide and related flooding on March 25, 2014 in Oso, Washington. A massive mudslide on March 22 has killed at least fourteen and left many missing. (Photo by David Ryder/Getty Images) OSO, WA - MARCH 25: Trees lay on a hillside in the aftermath of a mudslide and related flooding on March 25, 2014 in Oso, Washington. A massive mudslide on March 22 has killed at least fourteen and left many missing. (Photo by David Ryder/Getty Images) OSO, WA - MARCH 25: Search and rescue workers look for survivors in the aftermath of a mudslide on March 25, 2014 in Oso, Washington. A massive mudslide on March 22 has killed at least fourteen and left many missing. (Photo by David Ryder/Getty Images) OSO, WA - MARCH 25: Search and rescue workers look for survivors in the aftermath of a mudslide on March 25, 2014 in Oso, Washington. A massive mudslide on March 22 has killed at least fourteen and left many missing. (Photo by David Ryder/Getty Images) OSO, WA - MARCH 25: A car sits in ruins in the aftermath of a mudslide and related flooding on March 25, 2014 in Oso, Washington. A massive mudslide on March 22 has killed at least fourteen and left many missing. (Photo by David Ryder/Getty Images) OSO, WA - MARCH 25: A structure sits in ruins in the aftermath of a mudslide and related flooding on March 25, 2014 in Oso, Washington. A massive mudslide on March 22 has killed at least fourteen and left many missing. (Photo by David Ryder/Getty Images) OSO, WA - MARCH 25: Search and rescue workers look for survivors in the aftermath of a mudslide on March 25, 2014 in Oso, Washington. A massive mudslide on March 22 has killed at least fourteen and left many missing. (Photo by David Ryder/Getty Images) OSO, WA - MARCH 25: A damaged structure sits amidst debris from a mudslide on March 25, 2014 in Oso, Washington. A massive mudslide on March 22 has killed at least fourteen and left many missing. (Photo by David Ryder/Getty Images) OSO, WA - MARCH 25:Debris is scattered in the aftermath of a mudslide and related flooding on March 25, 2014 in Oso, Washington. A massive mudslide on March 22 has killed at least fourteen and left many missing. (Photo by David Ryder/Getty Images) OSO, WA - MARCH 25: Search and rescue workers look for survivors in the aftermath of a mudslide on March 25, 2014 in Oso, Washington. A massive mudslide on March 22 has killed at least fourteen and left many missing. (Photo by David Ryder/Getty Images) OSO, WA - MARCH 25: Crews work on Washington State Route 530 to clear debris from a mudslide on March 25, 2014 in Oso, Washington. A massive mudslide on March 22 has killed at least fourteen and left scores missing. (Photo by Ted S. Warren-Pool/Getty Images) OSO, WA - MARCH 25: Crews work on Washington State Route 530 to clear debris from a mudslide on March 25, 2014 in Oso, Washington. A massive mudslide on March 22 has killed at least fourteen and left scores missing. (Photo by Ted S. Warren-Pool/Getty Images) OSO, WA - MARCH 25: Crews work on Washington State Route 530 to clear debris from a mudslide on March 25, 2014 in Oso, Washington. A massive mudslide on March 22 has killed at least fourteen and left scores missing. (Photo by Ted S. Warren-Pool/Getty Images) OSO, WA - MARCH 25: Crews work on Washington State Route 530 to clear debris from a mudslide on March 25, 2014 in Oso, Washington. A massive mudslide on March 22 has killed at least fourteen and left scores missing. (Photo by Ted S. Warren-Pool/Getty Images) OSO, WA - MARCH 25: Crews work on Washington State Route 530 to clear debris from a mudslide on March 25, 2014 in Oso, Washington. A massive mudslide on March 22 has killed at least fourteen and left scores missing. (Photo by Ted S. Warren-Pool/Getty Images) OSO, WA - MARCH 25: Crews work on Washington State Route 530 to clear debris from a mudslide on March 25, 2014 in Oso, Washington. A massive mudslide on March 22 has killed at least fourteen and left scores missing. (Photo by Ted S. Warren-Pool/Getty Images) OSO, WA - MARCH 25: Crews work on Washington State Route 530 to clear debris from a mudslide on March 25, 2014 in Oso, Washington. A massive mudslide on March 22 has killed at least fourteen and left scores missing. (Photo by Ted S. Warren-Pool/Getty Images) OSO, WA - MARCH 25: Crews work on Washington State Route 530 to clear debris from a mudslide on March 25, 2014 in Oso, Washington. A massive mudslide on March 22 has killed at least fourteen and left scores missing. (Photo by Ted S. Warren-Pool/Getty Images) OSO, WA - MARCH 27: Search and rescue teams continue to work on March 27, 2014 in Oso, Washington. A massive mudslide killed at least twenty-five and left many missing. (Photo by Ted S. Warren-Pool/Getty Images) OSO, WA - MARCH 29: A enters flood waters at the Oso mudslide on March 29, 2014 in Oso, Washington. A massive mudslide on March 22 in Oso, Washington killed at least 25 and left many missing. (Photo by David Ryder/Getty Images) OSO, WA - APRIL 03: Tayler Drayton (L) paints "Oso Strong" on a bus shelter in support of the town of Oso on April 3, 2014 in Oso, Washington. Workers continue to sift through debris trying to locate missing people almost two weeks after a massive mudslide devastated the town, killing at least 30 people and leaving many missing. (Photo by Justin Sullivan/Getty Images) OSO, WA - APRIL 03: Shannan McMahon (R) looks on as her daughter Tayler Drayton (L) paints a bus shelter with messages in support of the town of Oso on April 3, 2014 in Oso, Washington. Workers continue to sift through debris trying to locate missing people almost two weeks after a massive mudslide devastated the town, killing at least 30 people and leaving many missing. (Photo by Justin Sullivan/Getty Images) OSO, WA - APRIL 04: Search and rescue crews sift through debris from a deadly mudslide on April 4, 2014 in Oso, Washington. Workers continue to sift through debris trying to locate missing people almost two weeks after a massive mudslide devastated the town of Oso, Washington, killing at least 30 people and leaving many missing. (Photo by Justin Sullivan/Getty Images) In late 2021, Snohomish County Council approved $4.8 million in the 2022 budget to secure the last piece of funding needed to build a memorial commemorating the Oso Slide. Family and friends have been advocating for a memorial for years.