Broadband strong-motion observation on the hard rock site at Kushikino

Atsushi Watanabe, Yushiro Fujii, Hayato Futamure, Nobuki Kame, Hiroshi Takenaka, Sadaomi Skuzuki, Kenji Uehira, Takeshi Matsushima

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Abstract

In 1997, two moderate earthquakes occurred in the northwestern part of Kagoshima Prefecture (Mjma 6.5 on March 26 and Mjma 6.3 on May 13), and a large number of aftershocks occurred in the southern part of the second event focal region. We started the observation of the aftershocks from April 1, 1998, at Kushikino. We used a broadband strong-motion velocity-type seismograph and an accelerograph in order to record the full waveforms of the strong ground motions. Up to April 25, 1999, we observed 74 events, and 3 events were recorded by both seismographs. In this paper, we report the detail of observational conditions and show some waveforms we obtained.

Original languageEnglish
Pages (from-to)79-88
Number of pages10
JournalScience Reports of the Kyushu University, Department of Earth and Planetary Sciences
Volume20
Issue number3
Publication statusPublished - 1998
Externally publishedYes

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ASJC Scopus subject areas

  • Geology

Cite this

Watanabe, A., Fujii, Y., Futamure, H., Kame, N., Takenaka, H., Skuzuki, S., Uehira, K., & Matsushima, T. (1998). Broadband strong-motion observation on the hard rock site at Kushikino. Science Reports of the Kyushu University, Department of Earth and Planetary Sciences, 20(3), 79-88.