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Table 2 Type of collapse in the study area

From: Distribution feature and development characteristics of geohazards in Wudu district, Gansu province, Northwest China

Classification basis

Type

Number

Percentage (%)

Material

Earth collapse

43

41.35

Rock collapse

61

58.65

Scale

Large collapse

8

7.69

Medium collapse

23

22.12

Small collapse

73

70.19

Mode of movement

Toppling collapse

19

18.27

Sliding collapse

42

40.38

Pull-splitting collapse

43

41.35