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HOKKAIDO, JAPAN REGION

08/09/11 00:20:52 UTC
Epicenter 41.98N 143.63E

  Me   6.7
Broadband Source Parameters:
 BROADBAND DEPTH:        25.0 km
 RADIATED ENERGY
  No. of sta: 20  Focal mech.  M
  Energy       2.3+0.5*10**14 Nm
 COMMENT:  Depth from synthetics
  of broadband displacement
  seismograms.

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