2019年桜島火山人工地震探査の概要と過去の探査との比較

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書誌事項

タイトル別名
  • Active Seismic Source Experiment in Sakurajima Volcano in 2019 and Comparison with the Previous Experiments

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抄録

We conducted an active seismic experiment in Sakurajima volcano in December 2019, three years after the similar experiment that was conducted in 2016. We deployed 185 temporary seismic stations, most of which were installed at the same place as in 2013 and 2016. Eight and two explosive shots with 20 and 100 kg charges, respectively, were detonated in December 5, 2019. The 2019 shot locations differ from 0.4 to 12 m from the corresponding previous shot locations. We successively observed the all explosions during nighttime nine hours continuous recording. We examine reflection phases on the seismic records that obtained by the previous and 2019 experiment to detect temporal change of subsurface seismic structure beneath Sakurajima volcano.

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詳細情報 詳細情報について

  • CRID
    1050006210047751936
  • NII論文ID
    120006950377
  • NII書誌ID
    AN00027784
  • ISSN
    0386412X
  • HANDLE
    2433/260812
  • 本文言語コード
    ja
  • 資料種別
    departmental bulletin paper
  • データソース種別
    • IRDB
    • CiNii Articles

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