Table 2 Component matrix in Ludian area.
Component matrix | Slope | Slope direction | Distance to stream | Distance to fault | NDVI | PGA | Epicenter distance |
|---|---|---|---|---|---|---|---|
Slope | 1 | ||||||
Slope direction | 0.023 | 1 | |||||
Distance to stream | 0.089 | − 0.021 | 1 | ||||
Distance to fault | 0.089 | − 0.021 | 0.385 | 1 | |||
NDVI | 0.18 | − 0.014 | 0.103 | 0.103 | 1 | ||
PGA | 0.123 | 0.041 | − 0.352 | − 0.352 | 0.058 | 1 | |
Epicenter distance | 0.126 | − 0.03 | 0.127 | 0.127 | 0.1 | 0.689 | 1 |
