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ANTOFAGASTA, CHILE

07/11/14 15:40:53 UTC
Epicenter 22.19S 69.84W

  Me   7.4                                                             
Broadband Source Parameters:
 BROADBAND DEPTH:        40.0 km
 BROADBAND FAULT PLANE SOLUTION: 
 NP1:Strike=160 Dip=65 Slip=  70
 NP2:        21     32       126
 Principal Axes:
  T              Plg=64  Azm= 36
  P                  18      265
 RADIATED ENERGY                                                      
  No. of sta: 12  Focal mech.  F                                      
  Energy       3.0+0.6*10**15 Nm                                      
 COMMENT:  Complex earthquake   
  observed on broadband         
  displacement seismograms, with
  at least two larger events    
  occurring about 3 and 8       
  seconds after the onset.      
  Depth from synthetics of      
  broadband displacement        
  seismograms based on 2nd      
  event.                        

Explanation of Parameters
Latest USGS Energy Solutions
Source Parameter Search

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

Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver