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Earthquake Hazards Program

Magnitude 6.7 HOKKAIDO, JAPAN REGION

2003 October 08 09:06:55 UTC

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

USGS Energy and Broadband Solution

HOKKAIDO, JAPAN REGION

03/10/08 09:06:55 UTC
Epicenter 42.62N 144.46E

BROADBAND SOURCE PARAMETERS
 Energy Magnitude:
  Me                         6.4
 Radiated Energy:
  Es               8.4*10**13 Nm
  No. of sta: 15  Focal mech.  M
 Broadband Depth:        32.0 km
 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


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