Precursory electromagnetic phenomena associated with a big earthquake in Indonesia on Febrary 17, 1996

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Bibliographic Information

Other Title
  • インドネシア地震に対する前兆諸現象

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Description

The two candidates promising for short-term earthquake prediction are (1) ULF seismogeric emissions (just coming from the focal region) and (2) subionospheric VLF/LF propagation, This results deals with the precursory results for a large earthquake at Biak Island, Indonesia (Ms-8.0, depth-20km) on February 17th, 1996. First of all, there was fortunately a magnetic observatory (belonging to Nagoya University), where they measure the three field components (Bx, By, Bz) with sampling rate of 1sec. The result suggests a precursory ULF signature. Also, the data (phese) of subionospheric VLF signals transmitted from Omega (Australia) and received at Inubo, have yielded that there were observed significant anomalies, which are evident to be associated with the earthquake. The analyses for different observation items for a perticular earthquake is extremely rare.

Journal

  • Technical report of IEICE. SANE

    Technical report of IEICE. SANE 97 (377), 33-36, 1997-11-17

    The Institute of Electronics, Information and Communication Engineers

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Details 詳細情報について

  • CRID
    1571980077337592832
  • NII Article ID
    110003288703
  • NII Book ID
    AN10013301
  • Text Lang
    ja
  • Data Source
    • CiNii Articles

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