USGS Energy and Broadband Solution

PHILIPPINE ISLANDS REGION
12/08/31 12:47:34 UTC
Epicenter: 10.84N 126.70E

  Me   7.9                                                             
Broadband Source Parameters:
 BROADBAND DEPTH:        28.0 km
 BROADBAND FAULT PLANE SOLUTION: 
 NP1:Strike=195 Dip=65 Slip= 145
 NP2:       301     59        30
 Principal Axes:
  T              Plg=42  Azm=156
  P                   4      250
 RADIATED ENERGY                                                      
  No. of sta: 27  Focal mech.  F                                      
  Energy       1.8+0.3*10**16 Nm                                      
 COMMENT:  Complex earthquake, 
  with at least one large event
  occurring about 3 seconds
  after a small event observed 
  on broadband displacement 
  seismograms. Depth and focal 
  mechanism based on larger
  event. Depth from synthetics 
  of broadband displacement     
  seismograms.                  

Explanation of Parameters
Latest USGS Energy Solutions
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For more information, contact George Choy, choy@usgs.gov