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SANTA CRUZ ISLANDS

99/02/06 21:47:59
Epicenter 12.96S 166.67E

 Me   7.0                                                             
 Broadband Source Parameters:
 BROADBAND DEPTH:        73.0 km
 BROADBAND FAULT PLANE SOLUTION: 
 NP1:Strike=185 Dip=60 Slip= 125
 NP2:       311     45        45
 Principal Axes:
 T   Plg=59  Azm=146
 P        9      251
RADIATED ENERGY                                                      
No. of sta:  7  Focal mech.  F                                      
Energy       7.4+1.0*10**14 Nm                                      
COMMENT: Complex earthquake: a small event is followed by a
larger one about 2 seconds later. Depth from synthetics 
of broadband displacement seismograms based on second event.

Explanation of Parameters
Latest USGS Energy Solutions
Source Parameter Search

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