USGS Energy and Broadband Solution

OFF EAST COAST OF HONSHU, JAPAN
11/07/10 00:57:12 UTC
Epicenter: 38.04N 143.29E

  Me   7.7
Broadband Source Parameters:
 BROADBAND DEPTH:        23.0 km
 RADIATED ENERGY
  No. of sta: 19  Focal mech.  W
  Energy       9.3+1.8*10**15 Nm
 COMMENT:  Complex earthquake
  observed on broadband
  displacement seismograms, with
  at least one larger event
  occurring about 3 seconds
  after the onset.  Depth from
  synthetics of broadband
  displacement seismograms based
  on larger event.

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