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.
||Rock Fall Photos
Yosemite Rock Fall Photos A photo sequence of a rockfall and debris avalanche by Herb Dunn.
Homeowner\'s Insurance and Landslides Most policies do not cover landslide damage.
Largest Landslides Heart Mountain and Storegga - Earth\'s largest known landslides.
||Yosemite Rock Fall
Yosemite Rock Fall Hazards Learn what the Park Service is doing to reduce rock fall hazard.
||Debris Flow Hazards
Debris Flow Hazards Fast-moving landslides that can attain speeds over 30 miles per hour.
Largest Tsunami The wave with the highest run-up was triggered by a rock fall.
Lahars are mudflows that are composed of volcanic debris and water.
Saidmarreh Landslide, Iran One of the world\'s largest slides - over five cubic miles of debris!