USGS Energy and Broadband Solution

SOUTH ISLAND OF NEW ZEALAND
10/09/03 16:35:46 UTC
Epicenter: 43.53S 172.12E

  Me   7.4
Broadband Source Parameters:
 BROADBAND DEPTH:        12.0 km
 RADIATED ENERGY
  No. of sta:  8  Focal mech.  C
  Energy       3.1+1.0*10**15 Nm
 COMMENT:  Complex earthquake observed on broadband
  displacement seismograms with at least two larger events
  occurring after the onset.  Depth from synthetics of
  broadband displacement seismograms based on first large event.

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