Soil depth (m)	Area of soil depth distribution (km²)						Number of slope failures		Ratio of distribution of slope failures on the area of soil depth distribution; P_o = 0.019 (d/a)
Soil depth (m)	P_o = 0.019	% (a)	P_o = 0.022	% (b)	P_o = 0.025	% (c)	n	% (d)
0 - 0.5	0.46	27.67	0.43	25.68	0.41	24.56	12	21.82	0.78
0.51 - 1.00	0.88	52.23	0.93	55.43	1.01	60.38	28	50.91	0.97
1.01- 1.50	0.31	18.56	0.30	17.70	0.24	14.40	14	25.45	1.37
1.51 - 2.00	0.02	1.45	0.02	1.12	0.01	0.64	1	1.82	1.26
>2.00	0.002	0.09	0.001	0.07	0.00	0.02	0	0.00	0
Total	1.67	100	1.67	100	1.67	100	55	100