Space science can help track what's happening on Earth. In this podcast episode, Orbital Path talks landslides and the satellites that monitor them for the third anniversary of the deadliest landslide in US history. On March 22, 2014 a 650-foot hillside collapsed and covered the community of Oso, Washington. Forty-three people died. Hear from scientists working to investigate this landslide and predict future ones, as well as a woman who witnessed the landslide.