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Magnitude 7.0 OFF THE EAST COAST OF HONSHU, JAPAN

2003 October 31 01:06:28 UTC

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

OFF EAST COAST OF HONSHU, JAPAN

03/10/31 01:06:32 UTC
Epicenter 37.87N 142.48E

BROADBAND SOURCE PARAMETERS
 Energy Magnitude:
  Me                         6.6
 Radiated Energy:
  Es               2.1*10**14 Nm
  No. of sta: 12  Focal mech.  M

Explanation of Parameters
Latest USGS Energy Solutions
Source Parameter Search

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