Surface Displacement of the 17 May 1993 Eureka Valley, California, Earthquake Observed by SAR Interferometry

DOI Web Site 被引用文献2件
  • Gilles Peltzer
    Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109, USA.
  • Paul Rosen
    Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA 91109, USA.

抄録

<jats:p>Satellite synthetic aperture radar (SAR) interferometry shows that the magnitude 6.1 Eureka Valley earthquake of 17 May 1993 produced an elongated subsidence basin oriented north-northwest, parallel to the trend defined by the aftershock distribution, whereas the source mechanism of the earthquake implies a north-northeast-striking normal fault. The ±3-millimeter accuracy of the radar-observed displacement map over short spatial scales allowed identification of the main surface rupture associated with the event. These observations suggest that the rupture began at depth and propagated diagonally upward and southward on a west-dipping, north-northeast fault plane, reactivating the largest escarpment in the Saline Range.</jats:p>

収録刊行物

  • Science

    Science 268 (5215), 1333-1336, 1995-06-02

    American Association for the Advancement of Science (AAAS)

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