Mechanism of long-standing Cenozoic basin formation in central Hokkaido: an integrated basin study on an oblique convergent margin

Progress in Earth and Planetary Science

Table 2 Fault parameters of each fault for the Kawabata stage

Fault zone (ID in Figure 9)	Components of dislocation (km)			Fault parameters
Fault zone (ID in Figure 9)	Strike-slip	Dip slip	Tensile	L(km)	W(km)	d(km)	δ(°)
Early stage (transpression)
T2 (a)	22.98	0.0	0.0	500.00	15.0	15.0	90.0
T2 (b)	48.73	0.0	0.0	500.00	15.0	15.0	90.0
Rumoi-Shintotsu (c)	48.73	0.0	0.0	63.13	15.0	15.0	90.0
Chikubetsu (d)	21.96	0.0	0.0	29.09	15.0	15.0	90.0
Horonobe (e)	35.34	0.0	0.0	70.69	15.0	15.0	90.0
Tenpoku (f)	35.34	0.0	0.0	30.84	15.0	15.0	90.0
Late stage (compression)
Hidaka-north (g)	0.00	2.5	0.0	500.00	17.32	15.0	60.0
Hidaka-south (h)	0.00	2.5	0.0	216.72	17.32	15.0	60.0

Nomenclature of fault zones is after Kusumoto et al. (2013). Positive strike-slip and dip slip components correspond to right-lateral slip and reverse slip, respectively, with 0 < δ < π/2. L, W, d, and δ represent the length, width, depth, and dip of the fault, respectively.