Landslides occur when the slope (or a portion of it) undergoes some processes that change its condition from stable to unstable. This is essentially due to a decrease in the shear strength of …

Dec 23, 2025 · Landslide, the movement downslope of a mass of rock, debris, earth, or soil. Landslides occur when gravitational and other types of shear stresses within a slope exceed …

Landslides occur in all 50 states and territories, and they affect lives, property, infrastructure, and the environment. Landslides are the downslope movement of earth materials (rock, debris, …

Feb 9, 2024 · The U.S. Geological Survey (USGS) has a fact sheet containing information on landslides and mudflows in the United States, as well as recommendations on how to prepare …

A landslide generally refers to the downhill movement of rock, soil, or debris. The term landslide can also refer to the deposit that is created by a landslide event.

Apr 26, 2024 · A landslide is the movement of rock, earth, or debris down a sloped section of land. Landslides are caused by rain, earthquakes, volcanoes, or other factors that make the …

Dec 21, 2001 · Summer of 2001 was a season of devastating landslides. During June and July, landslides and floods throughout China's southern provinces left thousands dead or homeless. …

The term "landslide" describes a wide variety of processes that result in the downward and outward movement of slope-forming materials including rock, soil, artificial fill, or a combination …

Jan 30, 2024 · Landslides are more widespread than any other geological event, and can occur anywhere in the world. They occur when large masses of soil, rocks or debris move down a …

This comprehensive resource for a lay audience includes detailed information on types of landslides, where landslides occur, landslide causes, and landslide effects/consequences.