USGS Energy and Broadband Solution

SANTA CRUZ ISLANDS
13/02/08 15:26:39 UTC
Epicenter: 10.91S 165.96E

 Energy Magnitude         Me 7.5                                       
Broadband Source Parameters:
 BROADBAND DEPTH:        21.0 km
 BROADBAND FAULT PLANE SOLUTION: 
 NP1:Strike=175 Dip=85 Slip=   5
 NP2:        85     85       175
 Principal Axes:
  T              Plg= 7  Azm= 40
  P                   0      130
 RADIATED ENERGY:                                                     
  No. of sta: 19  Focal mech.  F                                      
  Energy       3.9+0.6*10**15 Nm                                      
 COMMENT:  Depth from synthetics
  of broadband displacement     
  seismograms.                  
  Apparent Stress       3.20 MPa

Explanation of Parameters
Latest USGS Energy Solutions
Source Parameter Search

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