Array Analysis of Microtremors Measured at Landslide Sites in Tokushima, Japan

Authors

  • Kosuke Chimoto Kagawa University, Takamatsu, Kagawa, Japan Author
  • Minoru Yamanaka Kagawa University, Takamatsu, Kagawa, Japan Author
  • Shuichi Hasegawa Kagawa University, Takamatsu, Kagawa, Japan Author
  • Masaki Ooku Yonden Consultants, Takamatsu, Kagawa, Japan Author

DOI:

https://doi.org/10.64862/

Keywords:

Microtremors, Array, Landslide, Tokushima

Abstract

The array microtremor exploration was performed at landslide sites in Tokushima, Japan. The array microtremor records were used to estimate dispersion curve of Rayleigh wave by using SPAC and F-K methods. The model was finally determined from the inversion analysis of dispersion curves. The models were almost consistent with that of PS logging data.

References

Cho, I. (2023). Spatial autocorrelation method for simple microtremor array survey at rock/stiff-soil sites. Geophysical Journal International, 233(2), 1296–1317. https://doi.org/10.1093/gji/ggac522

Kitsunezaki, C., Goto, N., Kobayashi, Y., Ikawa, T., Horike, M., Saito, T., Kuroda, T., and Okada, H. (1991). Estimation of P‐ and S‐wave velocities in deep soil deposits for evaluating ground vibrations in earthquake engineering. Journal of the Seismological Society of Japan, 44 (1), 45–57. (in Japanese with English abstract)

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Published

2025-11-27

How to Cite

Array Analysis of Microtremors Measured at Landslide Sites in Tokushima, Japan. (2025). Asian Journal of Engineering Geology, 2(Sp Issue), 219-220. https://doi.org/10.64862/

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