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PHILIPPINE ISLANDS REGION

08/03/03 14:11:15 UTC
Epicenter 13.40N 125.68E

  Me   7.0                                                             
Broadband Source Parameters:
 BROADBAND DEPTH:        24.0 km
 BROADBAND FAULT PLANE SOLUTION: 
 NP1:Strike=144 Dip=70 Slip= -60
 NP2:       265     36      -144
 Principal Axes:
  T              Plg=19  Azm=212
  P                  55       92
 RADIATED ENERGY                                                      
  No. of sta:  6  Focal mech.  F                                      
  Energy       7.7+1.9*10**14 Nm                                      
 COMMENT:  Depth from synthetics
  of broadband displacement     
  seismograms.                  

Explanation of Parameters
Latest USGS Energy Solutions
Source Parameter Search

For more information, contact George Choy, choy@usgs.gov

Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver