Table 6 The results of the number and density of secondary landslides in historical earthquakes.
Earthquake | Lethality Level(%) | Actual number of deaths | Secondary landslide deaths | ||||
|---|---|---|---|---|---|---|---|
Actual death (person) | Calculation result (person) | Error (%) | Actual death (person) | Calculation result (person) | Error (%) | ||
Sichuan, wenchuan | 60 | 69,227 | 63444.04 | 8.35 | 20,000 | 21141.9 | −5.71 |
Qinghai, yushu | 70 | 2698 | 1405.81 | 47.89 | 270 | 234.28 | 13.23 |
Yunnan, yiliang | 80 | 81 | 73.72 | 8.98 | 60 | 57.03 | 4.95 |
Gansu, minxian | 10 | 95 | 99.31 | −4.54 | 15 | 12.49 | 16.77 |
Yunnan, ludian | 100 | 617 | 321.49 | 47.89 | 250 | 201.83 | 19.27 |
Sichuan, jiuzhaigou | 40 | 29 | 26.84 | 7.43 | 20 | 15.74 | 21.29 |
Sichuan, luding | 75 | 93 | 68.758 | −26.07 | 51 | 35.94 | −29.53 |
Gansu, jishishan | 65 | 151 | 112.56 | −25.46 | 35 | 25.52 | −27.09 |