Fig. 6From: Precise aftershock distribution of the 2019 Yamagata-oki earthquake using newly developed simple anchored-buoy ocean bottom seismometers and land seismic stationsP-wave velocity structure models for the hypocenter locations. The red and blue lines denote the P-wave velocity models for the preliminary location using absolute travel times and the DD method, respectively. The models are constructed by extrapolation from the existing refraction experiment carried out using the OBSs and airguns through the source regionBack to article page