The distribution of soil morphological characteristics for landslide-impacted Sumbing Volcano, Central Java - Indonesia

Geoenvironmental Disasters

Table 5 Factor of safety and soil moisture content

Location	Genesis of clay layer	Wc	c	γ	H	α	cos²α	tanα	Φ	tanΦ	F
Location	Genesis of clay layer	%	kN.m^− 2	kN.m^− 3	m	°	°	°	°	°	F
Tegalsari	Volcanic ash	54.00	68.59	9.22	7	32	0.115	−2.78	17.74	−10.17	0.33
Tegalsari	Parent rock	77.95	17.70	8.73	5	32	0.115	−2.78	17.24	47.30	−18.30
Wonogiri	Volcanic ash	45.04	15.s16	10.59	6	27	0.060	3.94	56.11	1.73	1.44
Wonogiri	Parent rock	36.53	8.52	11.47	5	27	0.060	3.94	43.71	1.10	0.90
Manglong	Volcanic ash	43.70	13.33	10.40	15	19	0.003	−17.24	37.92	− 26.31	0.05