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Earthquake Hazards Program
USGS Energy and Broadband Solution


07/01/21 11:27:42 UTC
Epicenter 1.21N 126.29E

  Me   7.5                                                             
Broadband Source Parameters:
 BROADBAND DEPTH:        22.0 km
 RADIATED ENERGY                                                      
  No. of sta: 13  Focal mech.  C                                      
  Energy       3.5+0.4*10**15 Nm                                      
 COMMENT:  Complex earthquake   
  observed on broadband         
  displacement seismograms.  A  
  small event is followed by a  
  larger event occurring about  
  10 seconds later.  Depth from 
  synthetics of broadband       
  displacement seismograms based
  on larger 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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