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Earth, Planets and Space
Fig. 4 | Earth, Planets and Space

Fig. 4

From: Seismic velocity structure at the southern termination of the 2016 Kumamoto Earthquake rupture, Japan

Fig. 4

Focal mechanism solutions using the P-wave first-motion polarity (lower hemisphere projection). The beachballs are color-coded according to hypocenter depth. The solid rectangles represent the surface projection of the source fault planes for the mainshock in Asano and Iwata (2016). The solid and dashed red lines denote the active faults determined by RGAF (1991) and HERP (2013), respectively. FT Futagawa segment, UT Uto segment, UN north coast of Uto Peninsula segment, TS Takano–Shirahata segment, HN Hinagu segment. Ellipses approximate the areas of each focal mechanism solution group classified by location and features

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