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Table 2 Controlling parameters and their classes for this study

From: Support vector machine modeling of earthquake-induced landslides susceptibility in central part of Sichuan province, China

Controlling parameters Classes
Elevation (m) (1)(min)596-800;(2)800-1200(3)1200-1600;(4)1600-2000;(5)2000-2400;(6)24002872(max)
Slope gradient (°) (1)< 15;(2)15-20;(3)20-25;(4)25-30;(5)30-35;(6)35-40;(7)40-45;(8)> 45
Aspect (1)F;(2)N;(3)NE;(4)E;(5)SE;(6)S;(7)SW;(8)W;(9)NW;
Distance to co-seismic fault (km) (1)< 2;(2)2-4;(3)4-6;(4)6-8;(5)8-10;(6)10-12;(7)12-14;(8)14-16;(9)16-18;(10);18-20
PGA (1)0.24;(2)0.28;(3)0.32;(4)0.36;(5)0.40;(6)0.44;(7)0.48;(8)0.52;(9)0.56;(10);0.58
Land cover (1)Woodland;(2)Wooded Grassland;(3)Closed Shrub land;(4)Open Shrub land;(5)Grassland;(6)Cropland
Geology unit (1)Quaternary(2) Paleogene(3)Cretaceous(4)Jurassic(5)Triassic(6)Devonian(7)Silurian(8)Ordovician(9)Sinian(10)Proterozoic