Fig. 6From: Focal mechanisms and the stress field in the aftershock area of the 2018 Hokkaido Eastern Iburi earthquake (MJMA = 6.7)Triangle diagram displaying the distribution of the focal mechanisms with Quality A and B shown in Fig. 4. Curved lines are boundaries with T, B, and P axes of 40°, 30°, and 30° from vertical, respectively (Frohlich 2001)Back to article page