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: Predictions; Polarization; Isochrone theory; Seismic events; Velocity; Faults (Geologic); Earthquakes