2-D and 3-D Subsurface Density Structure in the Northern Part of the Itoigawa-Shizuoka Tectonic Line Derived by Gravity Surveying

Shuhei Okubo, Gaku Seta, Yasutaka Ikeda, Nobuhisa Matsuta, Takashi Kumamoto, Hiroaki Chiba, Yoshimasa Arai

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6 Citations (Scopus)

Abstract

We carried out gravity surveying along a profile of the reflection seismological prospecting in the northern part of the Itoigawa-Shizuoka Tectonic Line (ISTL). Combined use of gravity and seismic data enables us to construct a 2-D subsurface density model. We also present a 3-D model which is consistent with the previous works on gravity and reflection/refraction prospecting. Both 2-D and 3-D models show a reverse fault structure dipping toward the east. We do not find any thrusting structure dipping toward the west as implied from the uplifting of the Hida range.

Original languageEnglish
Pages (from-to)177-186
Number of pages10
JournalJournal of the Geodetic Society of Japan
Volume46
Issue number3
DOIs
Publication statusPublished - 2001
Externally publishedYes

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ASJC Scopus subject areas

  • Earth and Planetary Sciences(all)

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