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CENTRAL MEXICO

99/06/15 20:42:01 UTC
Epicenter 18.33N 97.39W

Me   6.7                                                             
Broadband Source Parameters:
BROADBAND DEPTH:        70.0 km
BROADBAND FAULT PLANE SOLUTION: 
NP1:Strike= 78 Dip=42 Slip=-120
NP2:       296     55       -66
Principal Axes:
T              Plg= 7  Azm=  9
P                  69      261
RADIATED ENERGY                                                      
No. of sta:  8  Focal mech.  F                                      
Energy       2.4+0.6*10**14 Nm                                      
COMMENT: Complex earthquake, with at least two events
occurring about 4 seconds apart, observed on broadband
displacement seismograms.

Explanation of Parameters
Latest USGS Energy Solutions
Source Parameter Search

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