USGS Energy and Broadband Solution

OFFSHORE BIO-BIO, CHILE
11/02/11 20:05:30 UTC
Epicenter: 36.43S 73.05W

  Me   7.2
Broadband Source Parameters:
 BROADBAND DEPTH:        26.0 km
 RADIATED ENERGY
  No. of sta: 13  Focal mech.  O
  Energy       1.4+0.3*10**15 Nm
 COMMENT:  Complex earthquake
  observed on broadband
  displacement seismograms.  A
  small event is followed by a
  larger event about 3 seconds
  later.  Depth from synthetics
  of broadband displacement
  seismograms based on first
  event.

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