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Earthquake Hazards Program

Magnitude 6.5 SAMAR, PHILIPPINES

2003 November 18 17:14:22 UTC

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

USGS Energy and Broadband Solution

SAMAR, PHILIPPINES

03/11/18 17:14:21 UTC
Epicenter 12.01N 125.39E

BROADBAND SOURCE PARAMETERS
 Energy Magnitude:
  Me                         6.3
 Radiated Energy:
  Es               6.8*10**13 Nm
  No. of sta:  4  Focal mech.  M
 Broadband Depth:        35.0 km
 COMMENT:  Depth from synthetics of broadband displacement seismograms.

Explanation of Parameters
Latest USGS Energy Solutions
Source Parameter Search

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


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