From: The 2016 Kumamoto–Oita earthquake sequence: aftershock seismicity gap and dynamic triggering in volcanic areas
Depth (km)
V p (km/s)
V s (km/s)
Q p
Q s
0–1
3.80
2.00
200
1–5
5.70
3.20
300
5–10
5.85
3.45
10–20
6.20
3.65
20–30
6.60
30–40
7.20
4.10
400
40–
7.80
4.55
500