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Additional file 1. Supplemental text.pdf.

Additional file 1: Figure S1. Clustering results for Site C0001. Three panels represent correlation plots among observable parameters other than depth. Ellipses represent covariance of each cluster. Figure S2. Clustering results for Site ITA. Six panels represent correlation plots among observable parameters other than depth. Ellipses represent covariance of each cluster. Figure S3. Clustering results for Site C0020. Three panels represent correlation plots among observable parameters in principal component domain other than depth. Ellipses represent covariance of each cluster. Figure S4. Clustering results for Site C0020. Three panels represent correlation plots among observable parameters in original logging data domain other than depth. Figure S5. Depth plot of electrical resistivity and clustering results for Site C0001 with different hyper parameters ( $${{\varvec{\beta}}}_{0}, {{\varvec{\upsilon}}}_{0}$$ β 0 , υ 0 ) at K = 13. Ellipses represent covariance of each cluster. Log units previously reported (Expedition 314 Scientists 2009b) are shown on the right and dotted black lines. The original set of hyper parameters shown in the main text (Fig. 4) is the left panel at the central raw. Figure S6. Depth plot of P-wave velocity and clustering results for Site ITA with different hyper parameters ( $${{\varvec{\beta}}}_{0},{{\varvec{\upsilon}}}_{0}$$ β 0 , υ 0 ) at K = 14. Ellipses represent covariance of each cluster. Core descriptions previously reported (Expedition 314 Scientists 2009b) are shown on the right and dotted black lines. The original set of hyper parameters shown in the main text (Fig. 7) is the left panel at the central raw. Figure S7. Depth plot of porosity and clustering results for Site C0020 with different hyper parameters ( $${{\varvec{\beta}}}_{0},{{\varvec{\upsilon}}}_{0}$$ β 0 , υ 0 ) at K = 14. Log units previously reported (Expedition 337 Scientists 2013b) are shown on the right and dotted black lines. The original set of hyper parameters shown in the main text (Fig. 12) is the left panel at the central raw. Figure S8. Depth plot of porosity and clustering results for Site C0020 with different depth intervals. The left panel shows the results at a depth interval of 20 cm and K = 14, which is identical to the figure shown in Fig. 12. The right panel shows the results at a depth interval of 40 cm and K = 18. Log units previously reported (Expedition 337 Scientists 2013b) are shown on the right and dotted black lines.

Additional file 1: Figure S1. Parameters for Chikyu on November 20, 2018. a Temporal variation of depth of the drill-bit from the sea surface. The water depth is around 2,000 m. b Temporal variation of RPM (rotation per minute). c Schematic for the geometry of two sensors, drill-bit, and the stationary zones. Figure S2. Transverse-deconvolved waveforms (TDWs) at each OBS. (a–e) Same as Figures 4b and CC in 4d, but for a OBS01, b OBS02, c OBS04, d OBS05, and e OBS06. Figure S3. Location of the center position of Chikyu and the stability of the TDWs. a Dots indicate the center position of Chikyu, which are the same as those in Fig. 2c. Red circle represents the radius of 1 m from the central location of dots. Regions are divided into eight regions; A: 1 quadrant inside 1 m, B: 2 quadrant inside 1 m, C: 3 quadrant inside 1 m, D: 4 quadrant inside 1 m, E: 1 quadrant outside 1 m, F: 2 quadrant outside 1 m, G: 3 quadrant outside 1 m, H: 4 quadrant outside 1 m. b Histogram for the Chikyu positions in the four-quadrant. The position was measured at each minute, and the number of 1-min segment during 1–57 Julian days in 2019 was counted. c (top) Waveforms at OBS03 in which the TDWs are stacked during 1–57 Julian days when the Chikyu is located in the region (black) A, (red) B, (blue) C, and (light-blue) D. (bottom) Same as the top panel, but for the region (black) E, (red) F, (blue) G, and (light-blue) H. Figure S4. Envelope functions at high and low tide. a Same as Fig. 6a, with uncertainties in pink and gray lines for the other OBSs. Arrows indicate large amplitudes at high tide at lag times between 5.5 and 7.5 s. b Same as Fig. 6b, but for OBS06.

Additional file 1: Figure S1. Average seismic noise level at the MeSO-net stations other than the four stations shown in Fig. 4.

Additional file 3: Figure S3. Median noise ratio during the day in two different frequency bands at the MeSO-net stations other than the four stations shown in Fig. 8.

Additional file 2: Figure S2. Noise ratio of UD components and polarization azimuth at the MeSO-net stations other than the four stations shown in Fig. 7.

Additional file 1. Summary tables of available LWD data and core samples data in NanTroSEIZE.

Additional file 1. Supplemental information about the GNSS data analysis and the model construction.