Table 3 Information amount of each partition of evaluation factor.

Elevation

0–1600

0.3102

1600–2300

2.3956

2300–2900

0.5967

2900–3500

−2.4469

3500–6900

0

Profile curvature

0–5

0.2742

5–10

−0.1723

10–15

−0.2335

15–20

0.0451

20–30

−0.94

30–58

0

Landform

Middle Mountain landform

0.7517

Low mountain landform

1.7254

The others

0

Seismic response spectrum characteristics

0.4

0.4844

0.45

0.4842

Peak Ground Acceleration

0.15

0.0297

0.20

1.0226

Aspect

0–90

0.5252

90–180

−0.5728

180–270

−0.3118

270–360

0.032

Slope

0–10

1.3547

10–20

0.6354

20–30

−0.123

30–40

−0.8226

40–50

−0.4084

50–90

−0.6364

Lithology

Hard blocky granite and diorite lithology

0.563

Soft-hard interbedded slate to sandstone lithology

0.0301

Iceberg

0.3581

Hard blocky shallow igneous and volcanic rock lithology

1.2453

The others

0

Plane curvature

0–10

−0.0391

10–20

−0.0279

20–30

−0.3062

30–40

−0.5248

40–50

0.1163

50–60

0.4755

60–90

0.5718

Linear density of water

0–0.08

−3.7177

0.08–0.24

−2.4331

0.24–0.42

0.6696

0.42–0.62

1.6218

0.62–1.4

0.7205

Linear density of road

0–0.28

−2.8886

0.28–0.87

1.8923

0.87–1.64

2.4519

1.64–2.85

2.1497

2.85–7.3

2.8018