The U.S. Geological Survey has posted a pair of before-and-after Landsat photographs for the landslide in Oso, Washington. The landslide collapsed on March 22nd, burying the community of Oso and briefly blocking the river.
https://gizmodo.com/hazard-risk-and-the-steelhead-landslide-in-washington-1551357211
Before: January 18, 2014
After: March 23, 2014
Head over to the USGS website for an interactive slider, where you can see both photographs at the same time. Images credit: Landsat 8