USGS Energy and Broadband Solution

ANTOFAGASTA, CHILE
12/10/08 01:50:25 UTC
Epicenter: 21.77S 68.26W

 Energy Magnitude         Me 5.4                                       
Broadband Source Parameters:
 BROADBAND DEPTH:       122.0 km
 BROADBAND FAULT PLANE SOLUTION: 
 NP1:Strike=  0 Dip=65 Slip= -80
 NP2:       157     27      -110
 Principal Axes:
  T              Plg=19  Azm= 83
  P                  68      290
 RADIATED ENERGY:                                                     
  No. of sta: 12  Focal mech.  F                                      
  Energy       3.1+0.8*10**12 Nm                                      
 COMMENT:  Depth from synthetics
  of broadband displacement     
  seismograms.                  
  Apparent Stress       0.38 MPa

Explanation of Parameters
Latest USGS Energy Solutions
Source Parameter Search

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