Landslide Types

Landslides or slope movements can be classified in many ways. There are many attributes used as criteria for identification and classification including:

Common landslide types are:


Slump diagramSlump: complex movement of materials on a slope; includes rotational slump.

NOTE: This is the same type of landslide that is occuring in Anaheim Hills.


Slide diagram

Slide: movement parallel to planes of weakness and occasionally parallel to slope.


Creep diagramCreep: gradual movement of slope materials


Topple diagramTopple: the end-over-end motion of rock down a slope.


Fall diagramFall: material free falls.


Flow diagramFlow: viscous to fluid-like motion of debris.


Torrent diagramTorrent::a sporadic and sudden channelized discharge of water and debris.

Landslides in British Columbia was originally produced as Information Circular 1993-7 by the Geological Survey Branch of the B.C. Ministry of Employment and Investment in cooperation with the B.C. Ministry of Health, the B.C. Ministry of Transportation and Highways, the B.C. Ministry of Environment, Lands and Parks, the B.C. Ministry of Forests, the B.C. Provincial Emergency Program, and with the assistance of the Geological Survey of Canada
Copyright © 1997 by the Province of British Columbia.