Landslide inventories: The essential part of seismic landslide hazard analyses

Engineering Geology
By: , and 



A detailed and accurate landslide inventory is an essential part of seismic landslide hazard analysis. An ideal inventory would cover the entire area affected by an earthquake and include all of the landslides that are possible to detect down to sizes of 1–5 m in length. The landslides must also be located accurately and mapped as polygons depicting their true shapes. Such mapped landslide distributions can then be used to perform seismic landslide hazard analysis and other quantitative analyses. Detailed inventory maps of landslide triggered by earthquakes began in the early 1960s with the use of aerial photography. In recent years, advances in technology have resulted in the accessibility of satellite imagery with sufficiently high resolution to identify and map all but the smallest of landslides triggered by a seismic event. With this ability to view any area of the globe, we can acquire imagery for any earthquake that triggers significant numbers of landslides. However, a common problem of incomplete coverage of the full distributions of landslides has emerged along with the advent of high resolution satellite imagery.

Publication type Article
Publication Subtype Journal Article
Title Landslide inventories: The essential part of seismic landslide hazard analyses
Series title Engineering Geology
DOI 10.1016/j.enggeo.2010.06.013
Volume 122
Issue 1-2
Year Published 2011
Language English
Publisher Elsevier
Description 13 p.
First page 9
Last page 21
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