Table 1 Frequency ratio value for each landslide causal factors

  0–5

64

2.05

27,459

7.03

0.29

  5–10

136

4.36

67,750

17.33

0.25

  10–20

472

15.14

137,617

35.21

0.43

  20–30

609

19.54

86,336

22.09

0.88

  30–40

840

26.95

45,954

11.76

2.29

  40–50

734

23.55

19,573

5.01

4.70

  > 50

262

8.41

6141

1.57

5.35

  Concave

1616

51.84

192,998

49.38

1.05

  Flat

15

0.48

5424

1.39

0.35

  Convex

1486

47.67

192,408

49.23

0.97

  Flat (−1)

5

0.16

1933

0.49

0.32

  North (0–22.5)

159

5.10

22,786

5.83

0.87

  North East (22.5–67.5)

353

11.32

53,942

13.80

0.82

  East (67.5–112.5)

207

6.64

57,312

14.66

0.45

  South East (112.5–157.5)

242

7.76

65,237

16.69

0.47

  South (157.5–202.5)

540

17.32

56,441

14.44

1.20

  South West (2025–247.5)

834

26.76

46,535

11.91

2.25

  West (247.5–292.5)

372

11.93

30,493

7.80

1.53

  North West (292.5–337.5)

231

7.41

35,952

9.20

0.81

  North (337.5–360)

174

5.58

20,199

5.17

1.08

  Tmcv (Volcanics of camba formation)

5

0.16

28,534

7.30

0.02

  Qlvb (Quarter lompbattang volcanics breccia)

13

0.42

17,403

4.45

0.09

  Qlv (Quarter lompbattang volcanics)

3080

98.81

332,091

84.97

1.16

  Qlvp (Quarter lompbattang volcanics parasitic)

-

-

8643

2.21

-

  Qlvc (Quarter lompbattang volcanics center )

19

0.61

4159

1.06

0.57

  0–500

886

28.42

34,527

8.83

3.22

  500–1000

952

30.54

35,187

9.00

3.39

  1000–1500

296

9.50

35,483

9.08

1.05

  1500–2000

177

5.68

27,949

7.15

0.79

  200–3000

411

13.19

50,855

13.01

1.01

  3000–4000

263

8.44

47,642

12.19

0.69

  4000–6000

63

2.02

81,203

20.78

0.10

  6000–8000

69

2.21

53,027

13.57

0.16

  8000–10,000

-

-

21,147

5.41

-

  10,000–12,000

-

-

3810

0.97

-

  0–500

114

3.66

155,239

39.72

0.09

  500–750

84

2.69

32,697

8.37

0.32

  750–1000

70

2.25

24,331

6.23

0.36

  1000–2000

463

14.85

63,341

16.21

0.92

  2000–3000

488

15.66

36,745

9.40

1.67

  3000–4000

331

10.62

31,195

7.98

1.33

  > 4000

1567

50.27

47,282

12.10

4.16

  0–50

213

6.83

58,994

15.09

0.45

  50–100

220

7.06

56,989

14.58

0.48

  100–150

227

7.28

51,007

13.05

0.56

  150–200

285

9.14

44,044

11.27

0.81

  200–250

293

9.40

37,016

9.47

0.99

  250–300

291

9.34

30,154

7.72

1.21

  > 300

1588

50.95

112,626

28.82

1.77

  Primary Dry Forest

994

31.89

99,453

25.45

1.25

  Secondary Dry Forest

757

24.29

46,591

11.92

2.04

  Bushes

977

31.34

83,215

21.29

1.47

  Mix Dryland Agriculture

382

12.26

133,251

34.09

0.36

  Forest Plant

-

-

3962

1.01

-

  Open Land

-

-

1601

0.41

-

  Grass Land

7

0.22

1112

0.28

0.79

  Paddy Field

-

-

1533

5.00

-

  Dryland Agriculture

-

-

2112

0.54

-