Factors | Sub-factors | Class | Rating |
Geology | Distance to Faults | <500 m 500 - 1000 m 1000 - 1500 m 1500 - 2000 m 2000 - 2500 m 2500 - 3000 m 3000 - 3500 m 3500 - 4000 m 4000 - 4500 m >4500 m | 10 9 8 7 6 5 4 3 2 1 |
Porosity of Rocks | High (>30%) Uncertain (0% > 30%) Moderate (15% - 30%) Low (0% - 15%) | 10 9 8 3 | |
Distance to Seismic Areas | <10,000 m 10,000 - 20,000 m 20,000 - 30,000 m 30,000 - 40,000 m 40,000 - 50,000 m 50,000 - 60,000 m 60,000 - 70,000 m 70,000 - 80,000 m 80,000 - 90,000 m >90,000 m | 10 9 8 7 6 5 4 3 2 1 | |
Distance to Caves | <500 m 500 - 1000 m 1000 - 1500 m 1500 - 2000 m 2000 - 2500 m 2500 - 3000 m 3000 - 3500 m 3500 - 4000 m 4000 - 4500 m >4500 m | 10 9 8 7 6 5 4 3 2 1 | |
Pedology | Type of Soil | Histosols Gleysols Spodosols Chernosols Neosols Nitosols Cambisols Planosols Latosols Argisols | 10 9 8 7 6 5 4 3 2 1 |
Infiltration Rate (Factor K) | 0.0549 - 0.0610 0.0488 - 0.0549 0.0427 - 0.0488 0.0366 - 0.0427 0.0305 - 0.0366 0.0244 - 0.0305 0.0183 - 0.0244 0.0122 - 0.0183 0.0061 - 0.0122 <0.0061 | 10 9 8 7 6 5 4 3 2 1 |