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Earthquake Hazards Program

USGS Energy and Broadband Solution


06/05/03 15:26:35 UTC
Epicenter 20.03S 174.23W

 Energy Magnitude:
  Me                         8.3
 Radiated Energy:
  Es               6.3*10**16 Nm
  No. of sta: 12  Focal mech.  F                                      
 Broadband Depth:        55.0 km
 COMMENT:  Complex earthquake   
  observed on broadband         
  displacement seismograms, with
  at least two events occurring 
  about 7 seconds apart.  Depth 
  from syntheitcs of broadband  
  displacement seismograms      
  based on first event.

Explanation of Parameters
Latest USGS Energy Solutions
Source Parameter Search

For more information, contact George Choy,

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


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