USGS Energy and Broadband Solution

SOUTH SANDWICH ISLANDS REGION
13/07/15 14:03:43 UTC
Epicenter: 60.87S 25.14W

 Energy Magnitude         Me 7.6                                       
Broadband Source Parameters:
 BROADBAND DEPTH:        11.0 km
 BROADBAND FAULT PLANE SOLUTION: 
 NP1:Strike=185 Dip=89 Slip=-170
 NP2:        95     80        -1
 Principal Axes:
  T              Plg= 6  Azm=319
  P                   8       50
 RADIATED ENERGY:                                                     
  No. of sta:  8  Focal mech.  F                                      
  Energy       5.1+1.6*10**15 Nm                                      
 COMMENT: Complex earthquake, 
  with at least one event
  occurring about 5 seconds
  after the onset observed on
  broadband displacement
  seismograms. Depth from 
  synthetics of broadband 
  displacement seismograms 
  based on first event.
  Apparent Stress       0.01 MPa

Explanation of Parameters
Latest USGS Energy Solutions
Source Parameter Search

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