Source model of the 1703 Genroku Kanto earthquake tsunami based on historical documents and numerical simulations: modeling of an offshore fault along the Sagami Trough

Earth, Planets and Space

Table 3 Models of the 1703 earthquake and tsunami. The parameters are as follows: d is focal depth, θ is strike, λ is slip angle, U is dislocation, L is fault length, and W is fault width

Name	Mw^a	Number of faults	Parameters of the offshore fault							References
Name	Mw^a	Number of faults	d (km)	θ (deg)	δ (deg)	λ (deg)	U (m)	L (km)	W (km)	References
Model 1	8.33	3	0.0	300	30	135	7.1	100	50	Shishikura model in Satake et al. (2008)
Model 2	8.23	45	1.3	290	45	125	10	50	30	Namegaya et al. (2011)
Model 3	8.51	51,399	–	–	–	–	–	–	–	Cabinet Office (2013)
Model 4	8.30	45	1.3	290	45	125	20	50	30	This study^b
Model 5	8.30	45	1.3	290	45	125	10	50	60	This study^c
Model 6	8.32	45	1.3	274	45	109	10	120	30	This study^d

^aThe rigidity coefficient is 5 × 10¹⁰ Nm (Namegaya et al. 2011)
^bModel 2 × 2.0 fault slip factor (20 m slip)
^cModel 2 × 2.0 fault width factor (60 km width)
^dOffshore fault length of Model 2 was extended to 120 km along the Sagami Trough