USGS Energy and Broadband Solution

SOUTHWEST INDIAN RIDGE
13/04/02 14:34:55 UTC
Epicenter: 40.44S 45.30E

 Energy Magnitude         Me 6.2                                       
Broadband Source Parameters:
 BROADBAND DEPTH:         9.0 km
 BROADBAND FAULT PLANE SOLUTION: 
 NP1:Strike=275 Dip=70 Slip= -15
 NP2:        10     76      -159
 Principal Axes:
  T              Plg= 4  Azm=142
  P                  24      234
 RADIATED ENERGY:                                                     
  No. of sta: 10  Focal mech.  F                                      
  Energy       4.5+1.1*10**13 Nm                                      
 COMMENT:  Depth from synthetics
  of broadband displacement     
  seismograms.                  
  Apparent Stress       1.50 MPa

Explanation of Parameters
Latest USGS Energy Solutions
Source Parameter Search

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