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The landslide occurs as geological phenomenon which includes a wide range of ground movement, like rock lessens, deep failure of slopes, & shallow rubble flows, view flow. Although gravity acting on an ended steepened slope is the primary cause for the landslide, there are more contributive factors: erosion by rivers, glaciers, or ocean waves create oversteepened slopes rock & soil slopes come weakened across saturation by snowmelt or heavily rains earthquakes create stresses that produce decrepit slopes fail (understand liquefaction, Hope Slide) volcanic eruptions produce loose ash deposits, heavily rain, & junk flows. vibrations from machinery, traffic, blasting, and potentially thunder may trigger failure of weak slopes superfluous weight from either either either accumulation of rain or even even even snow, stockpiling of rock or ore, from desert piles, or from human-semisynthetic structures can stress feeble slopes to failure & more structures Groundwater pressure acting to destabilise the slope

Slope lesson that turn into drenched using water supply could get the dust flow or even mud flow. A ensuant slurry of rock & mud could pick higher trees, houses, & cars, so blocking bridges and confluent stimulating flooding along its path.

Likewise, ice floes could form within lakes that come clogged by owning ice, however come typically good deal slower moving. Notwithstanding, it could generate forces heavy sufficiency to collapse bridges.

An avalanche is similar in mechanism to landslide & it involves the big total of ice, snow & rock falling quickly down the side of the mountain. Commonly a ice builds within cornices or even forms all over a weaker layer of snow, creating the danger of an avalanche.

The pyroclastic flow is caused by the collapsing cloud of ash, poisonous flatulency & hot rocks from either the volcanic explosion that moves chop-chop down an erupting volcano.

Landslides through history
The Storegga Slide - Norway Frank Slide - Turtle Mountain, Alberta Bluebird Canon metropolitan area inside Laguna Beach, California, on June 1, 2005 [http://news.google.com/news?gl=us&ned=us&hl=en&ie=UTF-8&q=laguna+beach+landslide+wednesday&btnG=Search+News] Thredbo, Australia on 30 July, 1997.

Geologic Hazards--Landslides (USGS)
Extensive information on landslides and their impacts, U.S. Landslide Monitoring Program, publications, current news and events, and current research.

Haneberg Geoscience
Consulting services in engineering geology, hydrogeology, and applied geomechanics. Web site includes research abstracts on landslides and related geologic hazards. Port Orchard, Washington.

News and Information--Landslides Hazards and debris flows
USGS (Geological Survey) team page, covering Hazards related to landslides and debris flows.

Potential San Francisco Bay Landslides During El Niño
Maps and fly-by movies available.

SHALSTAB - A Digital Terrain Model for Mapping Shallow Landslide Potential
Technical report on and free download of a very simple model for mapping shallow landslide potential.

Landslide Slide Show
Photographs and detailed descriptions of several areas prone to landslides.

Virtual Fieldtrip of the Slumgullion Earthflow
Detailed history of the geology of large landslides that dammed the Gunnison River in the San Juan Mountains near Lake City, Colorado.

Landslide Hazards and Planning
A guidebook for incorporating landslide hazards into the planning process.

Kelso, WA landslide
Site describing the second largest urban landslide in US history. Papers, photos, links, and a discussion group.

International Landslide Research Group
The ILG is an informal group of landslide practitioners who share landslide information. The website provides information about landslides worldwide, a newsletter, and meetings of landslide practitioners.