USGS Energy and Broadband Solution

SANTA CRUZ ISLANDS
13/02/08 11:12:13 UTC
Epicenter: 10.90S 165.90E

 Energy Magnitude         Me 7.4                                       
Broadband Source Parameters:
 BROADBAND DEPTH:        12.0 km
 BROADBAND FAULT PLANE SOLUTION: 
 NP1:Strike= 70 Dip=85 Slip=-175
 NP2:       340     85        -5
 Principal Axes:
  T              Plg= 0  Azm= 25
  P                   7      295
 RADIATED ENERGY:                                                     
  No. of sta:  9  Focal mech.  F                                      
  Energy       2.8+0.5*10**15 Nm                                      
 COMMENT:  Depth from synthetics
  of broadband displacement     
  seismograms.                  
  Apparent Stress       3.31 MPa

Explanation of Parameters
Latest USGS Energy Solutions
Source Parameter Search

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