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Earthquake Hazards Program
USGS Energy and Broadband Solution

KEPULAUAN TALAUD, INDONESIA

09/02/11 17:34:52 UTC
Epicenter 3.87N 126.41E

  Me   7.1
Broadband Source Parameters:
 BROADBAND DEPTH:        22.0 km
 RADIATED ENERGY
  No. of sta:  8  Focal mech.  M
  Energy       1.1+0.3*10**15 Nm
 COMMENT:  Complex earthquake
  observed on broadband
  displacement seismograms.  A
  small event is followed by a
  large event about 4 seconds
  later.  Depth based on large
  event.

Explanation of Parameters
Latest USGS Energy Solutions
Source Parameter Search

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

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


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