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Earthquake Hazards Program

Magnitude 7.9 KEPULAUAN MENTAWAI REGION, INDONESIA

Wednesday, September 12, 2007 at 23:49:04 UTC

Global CMT Project Moment Tensor Solution


Goran

Here is the solution for the recent event.

September 12, 2007, KEP. MENTAWAI REGION, INDONESIA, MW=7.9

Goran Ekstrom

CENTROID-MOMENT-TENSOR  SOLUTION
GCMT EVENT:     C200709122348A 
DATA: II CU IU IC GE 
L.P.BODY WAVES: 22S,  27C, T= 50
MANTLE WAVES:   87S, 225C, T=150
SURFACE WAVES:  42S,  67C, T= 50
TIMESTAMP:      Q-20070912222737
CENTROID LOCATION:
ORIGIN TIME:      23:49:34.5 0.2
LAT: 2.50S 0.01;LON:100.15E 0.02
DEP: 43.9  0.6;TRIANG HDUR: 20.8
MOMENT TENSOR: SCALE 10**27 D-CM
RR= 4.700 0.045; TT=-2.650 0.027
PP=-2.040 0.029; RT= 5.240 0.127
RP=-3.190 0.126; TP= 2.430 0.019
PRINCIPAL AXES:
1.(T) VAL=  7.757;PLG=63;AZM= 25
2.(N)       0.010;     5;    125
3.(P)      -7.757;    26;    218
BEST DBLE.COUPLE:M0= 7.76*10**27
NP1: STRIKE=319;DIP=19;SLIP= 105
NP2: STRIKE=123;DIP=71;SLIP=  85

            ----------- 
        -############------ 
      ##################----- 
    ######################----- 
   -########################---- 
  ---#############   ########---- 
  -----########### T #########--- 
 -------##########   ##########---
 ---------######################--
 -----------####################--
 --------------#################--
  ----------------##############- 
  -------------------##########-- 
   -----   ---------------#####- 
    ---- P -------------------# 
      --   ------------------ 
        ------------------- 
            ----------- 

Global CMT Project Catalog Search

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


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