Moho and Philippine Sea plate structure beneath central Honshu Island, Japan, from teleseismic receiver functions

Kazuo Yoshimoto, Hiroatsu Fujisawa, Tomomi Okada, Norihito Umino, Akira Hasegawa, Kazushige Obara, Katsuhiko Shiomi, Hiroaki Tsukahara, Shigeru Okamoto, Taku Kawanaka, Hiroshi Sato, Takeshi Nishimura, Haruo Sato, Masakazu Ohtake

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

We used teleseismic P waves recorded by the J-array, the Hi-net and a temporal local seismic network to investigate the three-dimensional topography of the Moho and the Philippine Sea plate beneath central Honshu Island, Japan. An image of the subsurface discontinuities beneath the region, derived from receiver function analysis, depicts the Philippine Sea plate dipping toward the north with complex local curvatures. The Moho is clearly detected in the northern part of the area studied, and its depth increases to the center of the island. Receiver functions from the stations adjacent to the Itoigawa-Shizuoka tectonic line indicate the step-like topography of the Moho directly beneath this tectonic line.

Original languageEnglish
Pages (from-to)1271-1277
Number of pages7
Journalearth, planets and space
Volume56
Issue number12
DOIs
Publication statusPublished - 2004 Jan 1

Keywords

  • Itoigawa-Shizuoka tectonic line
  • Median tectonic line
  • Moho
  • Philippine Sea plate
  • Receiver function

ASJC Scopus subject areas

  • Geology
  • Space and Planetary Science

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    Yoshimoto, K., Fujisawa, H., Okada, T., Umino, N., Hasegawa, A., Obara, K., Shiomi, K., Tsukahara, H., Okamoto, S., Kawanaka, T., Sato, H., Nishimura, T., Sato, H., & Ohtake, M. (2004). Moho and Philippine Sea plate structure beneath central Honshu Island, Japan, from teleseismic receiver functions. earth, planets and space, 56(12), 1271-1277. https://doi.org/10.1186/BF03353350