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Magnitude 7.0 NEAR THE EAST COAST OF HONSHU, JAPAN

2003 May 26 09:24:32 UTC

Preliminary Earthquake Report

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

NEAR EAST COAST OF HONSHU, JAPAN

03/05/26 09:24:31 UTC
Epicenter 38.93N 141.51E

BROADBAND SOURCE PARAMETERS
 Energy Magnitude:
  Me                         7.0
 Radiated Energy:
  Es               6.1*10**14 Nm
  No. of sta: 14  Focal mech.  M
 Broadband Depth:        68.0 km
 COMMENT:  Complex earthquake observed on broadband displacement seismograms.
  A small event is followed by a larger one about 3 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, choy@usgs.gov