Title page for 83224014


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Student Number 83224014
Author Lee Mon-Feng(§õ©sªâ)
Author's Email Address No Public.
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Department Graduate Institute of Geophysics
Year 1995
Semester 2
Degree Master
Type of Document Master's Thesis
Language zh-TW.Big5 Chinese
Title Investigation of the Probability of Tsunamigenic Earthquake in Taiwan Region
Date of Defense
Page Count 92
Keyword
  • historical tsunami¡Fearthquake magnitude¡Fnumerical method
  • Abstract Taiwan is located on the Circum-Pacific Ocean Belt where many
    large offshore earthquakes occur and causing tremendous
    tsunami. Since the tsunamis caused by earthquakes in Taiwan are
    much less often compared with nearby countries such as Japan,
    Indonesia and Philippines etc., the people in Taiwan is not
    aware of tsunamis. However, historical literature shows Taiwan
    had been attacked by large tsunamis generated by local offshore
    earthquakes. In order to understand the possible origin of the
    historical tsunamis, we first simulate the historical tsunamis.
    From the simulation, we exam the probability of tsunamigentic
    earthquakes in Taiwan region. We first obtained the relation
    between tsunami amplitudes and earthquake magnitudes in Taiwan.
    In the simulation, the tsunamis propagation and the well
    developed numerical tsunami computation technique are utilized
    for the computation of synthetic tsunami to obtain the relation
    between earthquake magnitude and tsunami amplitude. The overall
    results will provide us an opportunity to estimate the
    probability of tsunamis. We obtain these conclusions in this
    study as follows: 1.The comparison between the earthquake
    magnitudes at least needed in this study and earthquake
    magnitudes on historical records are satisfactory. There is
    only the discrepancy about the 1661/01/08 Tainan Tsunami. The
    possible cause is that the earthquake magnitude on historical
    record is mistaken. 2.The smallest earthquake magnitudes that
    could excite large tsunamis with tremendous damages in eastern
    and western coast of Taiwan are 6.7,7.3, respectively. 3.The
    CWB quick earthquake warning system will be applied to the
    empirical formula about the relation between earthquake
    magnitude,maximum tsunami amplitude and distance, in addition,
    the average tsunami propagation velocities in each area will
    provide us arrival time for local tsunami warning.
    Table of Content
    Reference
    Advisor
  • Kuo-Fong Ma(°¨°ê»ñ)
  • Files No Any Full Text File.
    Date of Submission

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