Historic Earthquakes
Magnitude 7.3 SANTA CRUZ ISLANDS
1999 February 06 21:47:59 UTC
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.
