Landslides can occur after heavy rain, if a retaining structure gives way, or if a weakness develops in the ground. They are called mudslides if the soil is saturated with water.
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Fly-by Movies of Ancient Landslides
[ Kids/Teens/Mature Teens ] Computer simulation and film footage shows landslides and mudflows that took place in California in 1996 and 1997.
Geography Site: Lahars and Pyroclastic Flows
[ Teens/Mature Teens ] Explains the causes and effects of pyroclasitic flows.
Mount St. Helens
[ Teens/Mature Teens ] View pictures and descriptions of the landslides and their aftermath.
Puget Sound Landslides
[ Teens/Mature Teens ] A slideshow of photographs and explanations about the causes and effects of landslides in this part of US state of Washington.
When Rivers of Rock Flow
[ Teens/Mature Teens ] Learn what a lahar is, where they occur, and the destruction they cause.
Last update:July 20, 2016 at 9:54:06 UTC
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