Harvard Moment Tensor Solution
Magnitude 7.9 TONGA
Wednesday, May 03, 2006 at 15:26:40 UTC
May 3, 2006, TONGA, MW=7.9
Natasha Maternovskaya
Goran Ekstrom
CENTROID, MOMENT TENSOR SOLUTION
HARVARD EVENT-FILE NAME M050306A
DATA USED: GSN
MANTLE WAVES: 48S, 85C, T=150
CENTROID LOCATION:
ORIGIN TIME 15:27: 8.7 0.5
LAT 20.33S 0.04;LON 174.03W 0.05
DEP 65.5 1.7;HALF-DURATION 24.6
MOMENT TENSOR; SCALE 10**28 D-CM
MRR= 0.59 0.01; MTT=-0.17 0.01
MPP=-0.42 0.01; MRT= 0.11 0.02
MRP= 0.75 0.02; MTP=-0.28 0.01
PRINCIPAL AXES:
1.(T) VAL= 0.99;PLG=62;AZM=266
2.(N) -0.05; 12; 18
3.(P) -0.94; 26; 114
BEST DOUBLE COUPLE:M0=1.0*10**28
NP1:STRIKE=228;DIP=22;SLIP= 122
NP2:STRIKE= 14;DIP=72;SLIP= 78
----------#
---------#####--###
------##########------#
-----#############---------
----###############----------
----################-----------
---#################-----------
---##################------------
--####### #########------------
--####### T ########-------------
--####### ########------ ----
-#################------- P ---
-################-------- ---
-###############-------------
-#############-------------
###########------------
########-----------
##---------
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver

