### Seafloor crustal deformation data along the subduction zones around Japan obtained by GNSS-A observations version Dec. 04, 2024 ### Citation: Yokota, Y. Ishikawa, T. Watanabe, S. (2018): Seafloor crustal deformation data along the subduction zones around Japan obtained by GNSS-A observations. Scientific Data, 5:180182, https://doi.org/10.1038/sdata.2018.182 Yokota, Y. Ishikawa, T. Watanabe, S. (2018): PANGAEA https://doi.org/10.1594/PANGAEA.885139 Format: the coordinates of data are consistent with the ITRF2020 (Altamimi et al. 2023, J. Geod.). [XYZ files (absolute positions as the Earth-Centred Earth-Fixed (ECEF) coordinates)] 1st line Date of updating 2nd line Site name; reference coordinate system 3rd line Description of each column after 4th line Observation start date; absolute positions [XYZ coordinates]; equipment code; vessel code; Observation end date [ENU files (relative positions from the 1st epoch as local ENU coordinates)] 1st line Date of updating 2nd line Site name; reference coordinate system 3rd line Origin of the plane E-N-U coordinate system (latitude, longitude, ellipsoidal height) 4th line Position of reference epoch with (E, N, U = 0.0, 0.0, 0.0) from origin point described in 3rd line after 5th line Movements from the reference epoch ### written by Y. Yokota (Sep. 13, 2018) ### modified by S. Watanabe (Nov. 27, 2020) ### modified by Y. Nakamura (Nov. 10, 2023)