Geoscience Reference
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Table 7.8 Frequency ratio (FR) analysis and landslide probability for each risk zone
Landslide risk
class
No. of
pixels
Area
(%)
Frequency land-
slide events
Frequency of
risk event
Frequency of risk
events (%)
Frequency
ratio (FR)
Probability/chance of
the risk event
Low (L)
8,982
27.34
1
0
0.00
0.00
Very low
Moderate (M)
9,641
29.35
22
7
19.44
0.66
Tendency towards equal
High (H)
8,333
25.37
43
13
36.11
1.42
High
Very high (VH)
5,888
17.92
62
16
44.44
2.48
Very high
Total
32,844
100
128
36
100
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