Friday, April 25, 2025

Question: What was the longest landslide in Colorado history?

Answer: The West Salt Creek Landslide of May 25, 2014, was the longest in Colorado’s historical record, spanning 2.8 miles of debris and burying nearly a square mile of the West Salt Creek Valley in Mesa County. The slide was recorded to have traveled between 40 and 85 mph and triggered a seismic event equivalent to a 2.8 magnitude earthquake.