Table 6. Assignment of relative risk factors for geomorphology.
| Rank | Geomorphology valuesb |
| 1 | 1130, 1139, 1210, 1219, 1220, 1229, 1230, 1239, 1240, 1249, 1320, 1329, 2510, 2519 |
| 2 | 1120, 1129, 1131, 1211, 1221, 1231, 1234, 1235, 1241, 1245, 1310, 1319, 2511 |
| 3 | 1110, 1119, 1121, 1311, 1321, 1335, 1338, 2112, 2115, 2125, 2225, 2255, 2300, 2315, 2320, 2329, 2330, 2339, 2340, 2345, 2349, 2350, 2359, 2400, 2410, 2419, 2420, 2425, 2429, 2450, 2459, 2500, 2530, 2539 |
| 4 | 1111, 1330, 1339, 2200, 2210, 2219, 2228, 2250, 2258, 2259, 2310, 2319, 2321, 2331, 2341, 2351, 2411, 2421, 2451, 2520, 2529 |
| 5 | 1331, 1334, 2110, 2111, 2119, 2120, 2121, 2122, 2123, 2124, 2126, 2127, 2128, 2129, 2211, 2220, 2221, 2224, 2229, 2251, 2254, 2311, 2521, 2531 |