On Saturday March 22, a powerful landslide occurred above the Stillaguamish River near the town of Oso in western Washington. David Montgomery, professor of Earth and space sciences, talks to Ashley Ahearn at KUOW about what causes such slides to occur. Listen to the story on KUOW.

Since this report, Montgomery has shared his expertise through numerous other media outlets, including:

Seattle Times Op-Ed: Map the runout risk for landslides like Oso

New York Times: In a State Known for Landslides, a Deadly Mix of Loose Sediments and Heavy Rain

KUOW: Geological Circumstances Behind Washington Mudslide

PBS NewsHour: Washington state mudslide conditions present ‘nightmare scenario’ for rescue team, says geologist