Factors

1

2

3

4

5

6

7

8

9

10

11

12

Weights

Factor Rating

Slope (1)

1

2

3

4

5

5

6

7

7

8

8

9

0.2598

9

Distance to fault (2)

1/2

1

2

3

4

4

5

6

6

7

7

8

0.1916

8

Lithology (3)

1/3

1/2

1

2

3

3

4

5

5

6

6

7

0.1397

7

Land Cover (4)

1/4

1/3

1/2

1

2

2

3

4

4

5

6

6

0.1002

6

Elevation (5)

1/5

1/4

1/3

1/2

1

1

2

3

3

4

4

5

0.0696

5

Distance to Roads (6)

1/5

1/4

1/3

1/2

1

1

2

3

3

4

4

5

0.0696

5

Distance to Drainage (7)

1/6

1/5

1/4

1/3

1/2

1/2

1

2

2

3

3

4

0.0476

4

Soil (8)

1/7

1/6

1/5

1/4

1/3

1/3

1/2

1

1

2

2

3

0.0319

3

Rainfall (9)

1/7

1/6

1/5

1/4

1/3

1/3

1/2

1

1

2

2

3

0.0319

3

TWI (10)

1/8

1/7

1/6

1/5

1/4

1/4

1/3

1/2

1/2

1

1

2

0.0212

2

SPI (11)

1/8

1/7

1/6

1/6

1/4

1/4

1/3

1/2

1/2

1

1

2

0.0212

2

Aspect (12)

1/9

1/8

1/7

1/6

1/5

1/5

1/4

1/3

1/3

1/2

1/2

1

0.0157

1

CI (consistency index) = 0.0439

RI (random consistency index) = 1.53

CR (Consistency ratio)= 0.028, <0.1 acceptable