NDLI: Statistical Analysis of Landslide Events in Central America and their Run-out Distance

Content Provider	Springer Nature Link
Author	Devoli, Graziella De Blasio, Fabio V. Elverhøi, Anders Høeg, Kaare
Copyright Year	2008
Abstract	Statistical analyses of landslide deposits from similar areas provide information on dynamics and rheology, and are the basis for empirical relationships for the prediction of future events. In Central America landslides represent an important threat in both volcanic and non-volcanic areas. Data, mainly from 348 landslides in Nicaragua, and 19 in other Central American countries have been analyzed to describe landslide characteristics and to search for possible correlations and empirical relationships. The mobility of a landslide, expressed as the ratio between height of fall (H) and run-out distance (L) as a function of the volume and height of fall; and the relationship between the height of fall and run-out distance were studied for rock falls, slides, debris flows and debris avalanches. The data show differences in run-out distance and landslide mobility among different types of landslides and between debris flows in volcanic and non-volcanic areas. The new Central American data add to and seem consistent with data published from other regions. Studies combining field observations and empirical relationships with laboratory studies and numerical simulations will help in the development of more reliable empirical equations for the prediction of landslide run-out, with applications to hazard zonation and design of optimal risk mitigation measures.
Starting Page	23
Ending Page	42
Page Count	20
File Format	PDF
ISSN	09603182
Journal	Geotechnical and Geological Engineering
Volume Number	27
Issue Number	1
e-ISSN	15731529
Language	English
Publisher	Springer Netherlands
Publisher Date	2008-05-16
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Landslides Debris flows Lahars Run-out distance Nicaragua Central America Civil Engineering Waste Management/Waste Technology Terrestrial Pollution Hydrogeology Geotechnical Engineering
Content Type	Text
Resource Type	Article
Subject	Soil Science Geology Architecture Geotechnical Engineering and Engineering Geology

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