NEHRP Clearinghouse

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• Spudlich, P.; Chiou, B. S. J.; Graves, R.; Collins, N.; Somerville, P.
  Formulation of Directivity for Earthquake Sources Using Isochrone Theory.
  January 2004, 58 p.
  Identifying Number(s): USGS/OFR-2004-1268
  Keywords: Isochrone theory; Earthquakes; Faults (Geologic); Velocity; Seismic events; Polarization; Predictions