Towards a universal rule on the recurrence interval scaling of repeating earthquakes?

DOI Web Site Web Site 被引用文献11件
  • Kate Huihsuan Chen
    Department of Earth Sciences National Cheng Kung University Tainan Taiwan
  • Robert M. Nadeau
    Berkeley Seismological Laboratory University of California Berkeley California USA
  • Ruey‐Juin Rau
    Department of Earth Sciences National Cheng Kung University Tainan Taiwan

書誌事項

公開日
2007-08-24
権利情報
  • http://onlinelibrary.wiley.com/termsAndConditions#vor
DOI
  • 10.1029/2007gl030554
公開者
American Geophysical Union (AGU)

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説明

<jats:p>A recent analysis of recurrence properties of small repeating earthquakes on a creeping oblique thrust fault in eastern Taiwan reveals a weak variation in recurrence interval (<jats:italic>T</jats:italic><jats:sub><jats:italic>r</jats:italic></jats:sub>) with seismic moment (<jats:italic>M</jats:italic><jats:sub><jats:italic>o</jats:italic></jats:sub>). Compared to the scaling of <jats:italic>T</jats:italic><jats:sub><jats:italic>r</jats:italic></jats:sub> with <jats:italic>M</jats:italic><jats:sub><jats:italic>o</jats:italic></jats:sub> from repeating earthquake data near Parkfield in California, the repeating data from eastern Taiwan has recurrence intervals that are 2 times shorter. Also in northeastern Japan, <jats:italic>T</jats:italic><jats:sub><jats:italic>r</jats:italic></jats:sub> of repeating quakes are ∼4 times shorter than those expected from the Parkfield scaling law. When adjusted to account for differences in the geodetically derived slip rates for the three fault zones, however, the <jats:italic>T</jats:italic><jats:sub><jats:italic>r</jats:italic></jats:sub>‐<jats:italic>M</jats:italic><jats:sub><jats:italic>o</jats:italic></jats:sub> scaling is remarkably consistent among the three regions. It suggests that the tectonic loading rate is likely the most important factor that controls the repeat time. It also suggests that there seems to exist a universal rule on recurrence interval scaling of repeating earthquakes in diverse tectonic settings.</jats:p>

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