The Slumgullion landslide in Colorado has been slowly advancing for hundreds of years Bill Schulz/USGS
Small changes in atmospheric pressure can start a landslide in certain weather conditions. Understanding why will help us to assess which slopes are at most risk of failing.
Just over a decade ago, there was huge surprise when it was discovered that the intermittent sliding of the Slumgullion landslide in the San Juan Mountains of south-west Colorado was triggered by changes in atmospheric pressure. We knew that landslides are initiated by earthquakes or heavy rains, but the …
