Fault extent of the largest aftershock of the 1968 Tokachi-Oki, Japan, earthquake and an interpretation of the normal faulting focal mechanism

Earth, Planets and Space

Table 1 1968 Tokachi-Oki earthquake and its largest aftershock.

Event	Date	Latitude	Longitude	Depth	MJ	DD₁	DA₁	DD₂	DA₂
	(ymdhm)	(N)	(E)	(km)		(deg)	(deg)	(deg)	(deg)
Main shock	1968 05 16 09 48	40.73	143.58	0	7.9	−114	20	120	78
Largest aftershock	1968 05 16 19 39	41.42	142.85	40	7.5	−69	11	144	81