Hypocenter data file for Ichiyanagi et al., Seismic activity in Niseko volcano group by temporal observation data Geophysical Bulletin of Hokkaido University, 84, 21-28, 2021, doi: 10.14943/gbhu.84.21.suppl ------------------------ Hypocenter catalog determined by more than four seismic stations. Format Num YY MM DD HH MM SS.S Lat(deg) Lon(deg) Depth(km) Mag ------------------------- 1 19 11 29 13 22 49.08 42.7509 140.5711 13.00 0.9 2 19 12 10 0 7 4.37 42.8701 140.6804 0.54 0.3 3 19 12 15 21 7 19.53 42.8777 140.7475 6.66 0.5 4 19 12 22 2 28 5.17 42.8842 140.6597 3.94 1.0 5 19 12 25 2 36 16.27 42.8993 140.6045 4.46 0.2 6 19 12 25 7 22 7.85 42.8992 140.6025 4.51 0.2 7 19 12 25 7 37 6.70 42.8992 140.5878 2.57 0.2 8 19 12 26 7 8 36.45 42.9020 140.5920 3.58 0.3 9 19 12 26 7 29 2.20 42.9019 140.6010 4.36 0.3 10 20 1 1 11 58 5.75 42.8999 140.6265 1.86 0.0 11 20 1 8 15 42 58.07 42.8948 140.7390 9.13 0.7 12 20 1 8 18 13 30.62 42.8890 140.7422 6.31 0.3 13 20 2 27 2 5 4.49 42.8969 140.6091 4.34 0.1 14 20 2 27 2 5 12.65 42.8973 140.5976 4.14 0.3 15 20 4 2 7 51 49.69 42.8918 140.6292 4.47 1.8 16 20 5 15 10 31 49.31 42.9045 140.5621 0.25 0.1 17 20 5 17 12 4 15.92 42.8931 140.5892 4.35 0.2 18 20 6 20 20 6 40.92 42.8777 140.6165 4.91 0.2 19 20 6 20 20 9 25.58 42.8843 140.6376 4.38 0.5 20 20 6 24 8 15 0.34 42.7344 140.5857 18.44 0.9 21 20 7 1 11 1 34.60 42.7366 140.5776 15.29 1.0 22 20 7 3 2 56 32.76 42.7814 140.6622 12.80 0.5 23 20 7 3 3 8 22.57 42.8423 140.7129 4.25 0.3 24 20 7 3 21 13 4.01 42.6195 140.4966 8.32 1.2 25 20 7 7 9 53 15.10 42.7396 140.5621 17.12 1.2 26 20 7 11 8 2 54.23 42.7522 140.5215 22.07 1.6 27 20 7 15 8 56 35.84 42.7414 140.5643 19.27 1.4 28 20 7 17 8 16 23.75 42.7372 140.5685 12.94 0.6 29 20 7 24 5 35 26.94 42.8882 140.6621 3.44 0.5 30 20 7 29 4 46 19.94 42.6692 140.7496 8.37 0.6 31 20 7 29 14 5 34.79 42.7648 140.5958 17.28 0.9 32 20 8 1 8 31 56.26 42.7392 140.5838 17.47 1.1 33 20 8 10 9 0 9.57 42.7326 140.4686 40.35 1.6 34 20 8 12 15 8 37.39 42.7602 140.6008 11.21 0.8 35 20 8 16 20 18 44.18 42.8957 140.6578 3.70 0.2 36 20 8 16 20 18 44.18 42.8957 140.6578 3.70 0.2 37 20 8 18 5 35 14.62 42.9053 140.5496 11.38 0.6 38 20 8 23 19 53 39.34 42.8831 140.6484 1.34 0.0 39 20 8 25 15 32 58.82 42.7499 140.5602 13.78 1.0 40 20 8 26 8 38 26.68 42.7495 140.5091 20.10 1.2 41 20 9 8 8 13 23.53 42.7263 140.5528 22.28 1.1 42 20 9 11 8 25 0.54 42.7355 140.5869 12.76 1.0 43 20 9 13 1 0 45.66 42.8935 140.5660 3.10 0.1 44 20 9 16 9 9 26.67 42.7353 140.5708 15.79 0.9 45 20 9 24 16 17 52.68 42.7495 140.5757 9.30 1.0 46 20 9 25 9 1 56.99 42.7378 140.5678 15.24 1.0 47 20 9 28 13 54 56.02 42.7163 140.5323 19.06 0.9 48 20 9 28 18 16 8.65 42.9023 140.6689 3.69 0.4 49 20 9 29 7 57 34.50 42.7420 140.5730 16.60 1.0 50 20 9 30 8 33 32.00 42.7372 140.5818 13.46 1.1 51 20 10 1 13 22 22.45 42.7462 140.4707 34.86 1.6 52 20 10 9 10 17 26.50 42.7138 140.6035 13.34 0.8 53 20 10 10 15 58 28.00 42.7631 140.6035 7.19 0.5 ------------------------ Hypocenter catalog determined by only three seismic stations. Format Num YY MM DD HH MM SS.SS Lat(deg) Lon(deg) Depth(km) Mag ------------------------- 1 19 12 05 14 44 30.87 42.8890 140.6021 3.46 -0.1 2 19 12 26 07 09 36.80 42.9038 140.5969 3.99 -0.1 3 19 12 26 22 49 1.35 42.8907 140.6485 4.39 -0.1 4 19 12 29 14 51 51.34 42.8972 140.6745 0.20 -0.1 5 20 02 21 19 30 59.10 42.8944 140.5930 1.88 -0.3 6 20 02 21 19 34 7.62 42.8898 140.5704 3.57 -0.0 7 20 02 26 19 24 5.54 42.8976 140.5748 3.06 -0.2 8 20 02 27 02 06 18.05 42.8973 140.6111 0.69 -0.1 9 20 05 17 19 27 35.20 42.8890 140.5875 1.90 -0.6 10 20 07 17 21 25 5.93 42.8911 140.5828 2.76 -0.4 11 20 07 17 21 26 57.02 42.8916 140.5842 2.96 0.1 12 20 07 17 21 27 7.04 42.8861 140.5734 1.64 0.1 13 20 07 17 21 27 20.25 42.8933 140.5884 3.57 0.1 14 20 07 22 02 41 6.85 42.8842 140.5842 3.56 0.4 15 20 07 24 06 18 49.32 42.8833 140.6864 0.47 0.3 16 20 07 30 16 21 58.53 42.8957 140.6043 3.45 0.1 17 20 07 31 20 18 58.84 42.8768 140.5087 1.28 -1.0 18 20 07 31 20 22 6.52 42.8918 140.5759 2.93 0.6 19 20 07 31 20 30 23.92 42.8969 140.5807 3.18 -0.2 20 20 08 15 19 31 27.05 42.9031 140.6030 1.25 -0.4 21 20 08 15 19 33 0.67 42.8593 140.5466 0.14 -0.8 22 20 08 16 20 18 44.23 42.8953 140.6606 3.20 0.2 23 20 08 18 05 35 3.96 42.8938 140.5699 2.72 -0.7 24 20 08 18 05 35 34.31 42.8989 140.5704 3.48 -0.2 25 20 08 18 05 35 34.36 42.8969 140.5674 3.30 -0.2 26 20 10 03 20 21 32.56 42.8940 140.5769 2.98 -0.3 27 20 10 03 20 37 46.83 42.8903 140.5655 1.96 -0.1 28 20 10 04 00 28 25.50 42.8910 140.5945 3.53 -0.2