Landslides A USGS fact sheet about landslides and events that trigger them.
Debris Flows are moving masses of loose mud, sand, soil, rock and water.
Geology Tools - Hammers, field bags, hand lenses, maps, hardness picks, gold pans.
Yosemite Rockfall Photos A photo sequence of a rockfall and debris avalanche by Herb Dunn.
Yosemite Rockfall Hazards Learn what the Park Service is doing to reduce rockfall hazard.
Largest Landslides Heart Mountain and Storegga - Earth*s largest known landslides.
||Debris Flow Hazards
Debris Flow Hazards Rapid landslides that can attain speeds over 30 miles per hour.
Lahars are mudflows that are composed of volcanic debris and water.
Largest Tsunami The wave with the highest run-up was triggered by a rockfall.
Saidmarreh Landslide, Iran One of the world*s largest slides - over five cubic miles of debris!
Homeowners Insurance and Landslides Most policies do not cover landslide damage.