SUMMER 2003GEOHAZARDS COURSE AT UWI, MONA - page 105

Prepared and compiled by Rafi Ahmad, Unit for Disaster Studies,
Department of Geography and Geology,
University of the West Indies, Mona, Kingston 7, Jamaica

Table 1.
Statistics of Landslide Types

GROUP STATISTICS

Type Number Total SlideArea
(km2)
Active 46 0.181
Active Zone 341 0.712
Scarp-Definite 613 6.721
Scarp-Probable 958 5.536
Scarp-Questionable 340 4.891
Deposit-Definite 8 0.917
Deposit-Probable 4 0.582
Deposit-Questionable 1 0.425
INDIVIDUAL LANDSLIDE AREAS (m2 )

Type Mean Standard
Deviation
Minimum Maximum
Active 3,216 4,247 762 18,151
Active zones 2,088 NA NA NA
Scarps-Definite 10,963 23,541 271 203,905
Scarps-Probable 11,698 13,205 417 89,954
Scarps-Questionable 9 ,715 16,042 116 173,749
Deposits-Definite 50,950 95785 5785 381,609
Deposits-Probable 145,632 98,430 40,323 274,764
Deposits-Questionable 0 0 0 0
PROPORTION OF AREA COVERED BY LANDSLIDES

AREA All Slides Scarps
Definite and Probable
Active slides
Entire Area 3.57% 3.10% 0.16%
Mountains Only 4.77% 4.13% 0.22%


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