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New Oso Analysis Sheds Light On Landslide Risks

caption: A massive mudslide on March 22, 2014 in Oso, Washington killed 43. Pictured here is the mudflow taken on Monday, March 24, 2014.
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A massive mudslide on March 22, 2014 in Oso, Washington killed 43. Pictured here is the mudflow taken on Monday, March 24, 2014.
AP Photo/Ted S. Warren

Big landslides like the one in Oso that killed 43 people last year are fairly common in Stillaguamish Valley. According to a new study from the University of Washington, one occurs about every 140 years.

David Hyde talks to UW geology professor David Montgomery about what the research means for politicians and where people decide to build and live.

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