Table 1 External variables.
External Variables | Value | Unit | |
|---|---|---|---|
1 | Earthquake magnitude | 6.8 | the Richter scale |
2 | Source depth | 16 | Kilometer |
3 | Distance between Luding and the epicenter | 39 | Kilometer |
4 | Distance between Shimian and the epicenter | 58 | Kilometer |
5 | Distance between Kangding and the epicenter | 86 | Kilometer |
6 | Distance between Hanyuann and the epicenter | 98 | Kilometer |
7 | Population density in Luding | 38 | people per square kilometer |
8 | Population density in Shimian | 43 | people per square kilometer |
9 | Population density in Kangding | 11 | people per square kilometer |
10 | Population density in Hanyuan | 120 | people per square kilometer |