Open Data オープンデータ
Open Data
Earthquake catalogs, focal mechanism catalogs, and 3D seismic velocity model in Kuju area (Tsuji et al., 2025)
Source:
T. Tsuji, R.D. Andajani, M. Katou, A. Hara, N. Aoki, S. Abe, H. Kuo-Chen, Z.K. Guan, W.F. Sun, S.-Y. Pan, Y.-H. Liu, K. Kitamura, J. Nishijima, H/ Inagaki, Supercritical fluid flow through permeable window and phase transitions at volcanic brittle–ductile transition zone, submitted.
Contents:
1. Earthquake catalogs (694 events from 2022-05-21 ~ 2022-07-27): Earthquake_catalog.txt
2. Focal mechanism catalog：Focal_mechanism_catalog.txt
3. 3D velocity model: 3D_velocity_models.txt
Source:
K. Mukumoto and T. Tsuji, 3-D crustal shear-wave velocity model derived from full-waveform tomography for Central Honshu Island, Japan, Geophysical Journal International, 235(1), 366–376 (2023). doi: 10.1093/gji/ggad216
3D S-wave velocity model : Kinki region
Source:
B. Nthaba, T. Ikeda, H. Nimiya, T. Tsuji, Y. Iio, Ambient noise tomography for a high-resolution 3D S-wave velocity model of the Kinki Region, Southwestern Japan, using dense seismic array data. Earth Planets Space. 74, 96, doi:10.1186/s40623-022-01654-x, 2022
3D S-wave velocity model : Central Japan
Source:
H. Nimiya, T. Ikeda, and T. Tsuji, Three-dimensional S wave velocity structure of central Japan estimated by surface wave tomography using ambient noise, Journal of Geophysical Research Solid Earth, Vol. 125, Issue 4, Page e2019JB019043, doi:10.1029/2019JB019043, 2020.
S-wave velocity variation of Kyushu Island (movie)
Source:
F. L. Hutapea, T. Tsuji, and T. Ikeda, Real-time crustal monitoring system of Japanese Islands based on spatio-temporal seismic velocity variation, Earth, Planets and Space, Vol. 72, Issue 1, Pages 1-16, doi:10.1186/s40623-020-1147-y, 2020.