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Published online 1 November 2009 | Nature | doi:10.1038/news.2009.1052
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Air tides cause landslides
Pressure fluctuations can set slopes in motion.
The intermittent stop and go of a Rocky Mountain landslide is controlled by the diurnal ebb and flow of air pressure, a study suggests.
The four-kilometre-long Slumgullion landslide in the San Juan Mountains of southwestern Colorado, so named for its yellowish loamy soil, which reminded early settlers of slumgullion stew, began about 700 years ago.
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