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Landslides, Rock Falls, Mudflows, Debris Flows

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

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