Factors | Characteristics | Susceptibility | Scale | Weighted of Scenario (SC) | |||
SC1 | SC2 | SC3 | SC4 | ||||
Slope | 0˚ - 5˚ | Nil | 1 | 35 | 30 | 30 | 25 |
5 - 10 | Low | 1 | |||||
10 - 15 | Moderate | 2 | |||||
15 - 25 | High | 3 | |||||
>25˚ | Very high | 5 | |||||
Lythology | Acid and intermedaite plutonic rock masses | Low | 1 | 20 | 20 | 20 | 20 |
Basic and ultrabasic plutonic rocks | Low | 1 | |||||
Rhyolite, microgranits/ dacite, meta andesite | Moderate | 2 | |||||
Basic volcanic rocks | High | 2 | |||||
Volcanosedimentary and sedimentary rocks | high | 4 | |||||
Fracturation | Very dense | Very high | 5 | 30 | 35 | 25 | 30 |
Dense | High | 4 | |||||
Moderate | Moderate | 3 | |||||
Low | Low | 2 | |||||
Very low | Nil | 1 | |||||
Hydrographic Network | 0 - 25 | Very high | 5 | 0 | 0 | 15 | 15 |
25 - 50 | High | 4 | |||||
50 - 100 | Moderate | 2 | |||||
100 - 200 | Low | 1 | |||||
>200 | Nil | 1 | |||||
Land use | Water expanse | Low | 1 | 15 | 15 | 10 | 10 |
Dense vegetation | Low | 1 | |||||
Dense vegetation | Low to nil | 1 | |||||
Agricultural land | Moderate | 2 | |||||
Building and bare sol | High | 4 |