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On March 22, 2014, a rainfall-triggered landslide near Oso, Washington sent muddy debris spilling across the North Fork of the Stillaguamish River.
Landslide and Barrier Lake Near Oso, Washington

On March 22, 2014, a rainfall-triggered landslide near Oso, Washington sent muddy debris spilling across the North Fork of the Stillaguamish River. The slide left an earthen dam that blocked the river, causing a barrier lake to form. The Operational Land Imager (OLI) on the Landsat 8 satellite acquired this image of landslide debris and the barrier lake on March 23, 2014.

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Image Credit: NASA Earth Observatory image by Jesse Allen, using Landsat data from the U.S. Geological Survey
Caption: Adam Voiland

Page Last Updated: March 26th, 2014
Page Editor: Sarah Loff