Geoinformatics
Online ISSN : 1347-541X
Print ISSN : 0388-502X
ISSN-L : 0388-502X
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Volume 29, Issue 4
Displaying 1-9 of 9 articles from this issue
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Cover (GEOINFORMATICS 2018 Vol29. No.4)
CONTENTS
Short Article
  • A problem of the hypocenter determination in the time of few seismic stations
    ―A case of the 1936 Chirisan earthquake in Kyongsangnam-do, Korea―
    Yuzo ISHIKAWA
    2018 Volume 29 Issue 4 Pages 137-140
    Published: December 25, 2018
    Released on J-STAGE: December 25, 2018
    DOIhttps://doi.org/10.6010/geoinformatics.29.4_137
    JOURNAL FREE ACCESS
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    As seismic stations were few before the establishment of modern seismic monitoring system, it was difficult to determine hypocenters. Japan Meteorological Agency (JMA) misdetermined the 1936 event at the east off Korean peninsula, although the true location was at the south of the Korean peninsula. This study researches the mislocation of the1936 event by JMA. As the result, it is clarified that effective use of the distribution of seismic intensity and P wave arrival directions in addition to data of P and S wave arrival times is important to determine hypocenters correctly for earthquakes in the early twentieth century.

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Lecture Note
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Contents of Geoinformatics Vol.29
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