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Full tensors solutions

To: vallee@geoazur.unice.fr
From: scardec@geoazur.unice.fr
Subject:  [SCARDEC] Recent Mw=6.1 earthquake, located in VANUATU ISLANDS
Message-Id: <20121202013358.1C2D2E743F4@alto.unice.fr>
Date: Sun,  2 Dec 2012 02:33:58 +0100 (CET)

2012 12 02 00 54 23.0 -17.012 167.626 34.0 6.1 308 41 83 136 50 96
INDICATIF_SEISME 20121202_005423_VANUATU_ISLANDS

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Errors-To: researchcmt-bounces@geohazards.usgs.gov

USGS research CMT: maintained and developed by Jascha Polet at Cal Poly Pomona.
This is a research system and solutions are *not* official USGS earthquake magnitudes.
AUTOMATIC solution, not reviewed by a seismologist, beta version 11/18/12
More details on this rCMT at http://neic.cr.usgs.gov/beta/rcmt/events/121202005423.C000E26U
usr/passwd : rcmt/rcmt  Event only available after completion bootstrapping
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
General region :  C000E26U VANUATU                                           
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used :  CASY CTAO KIP MAJO PMG SNZO TAU                                                                    
Origin time: 2012  337   0  54  23
Origin time reformatted: 2012-12-02 00:54:23
Original location (lat,lon,depth) : -17.0   167.6 34              
Moment tensor (x1.e26 dyncm) :
Mrr :      0.190388 Mtt :     -0.094749
Mff :     -0.095639 Mrt :      0.007785
Mrf :     -0.043436 Mtf :      0.102038
T-axis:  moment=     0.197   plunge=    80.854  azimuth=   100.275    
N-axis:  moment=     0.004   plunge=     7.403  azimuth=   316.470    
P-axis:  moment=    -0.201   plunge=     5.341  azimuth=   225.774    
best double couple: Mo=    0.199(x1.e26 dyncm)  Mw=6.1  tau=  3.2     
nodal planes (strike/dip/slip):  307.62/ 40.19/ 78.48     142.56/ 50.78/ 99.57  
Centroid location :  -16.996   167.607    35.290
Centroid time :      5.871
Variance reduction (%) :  46.5

                   ***********              
               ****           ****          
            ***--------           ***       
          **oooooooooooooo-          **     
         **oo------------ooooo        **    
        *---o----------------ooo        *   
       *  --o------------------ooo       *  
      **   -o--------------------ooo     ** 
      *     oo---------------------oo-    * 
     **     -o----------------------oo-   **
     **      oo---------+-T----------oo-  **
     **       oo----------------------oo- **
      *        oo----------------------o--* 
      **         oo--------------------o-** 
       *          ooo------------------o-*  
        *           ooo----------------o*   
         **           ooo-------------**    
          *P            -oooo--------**     
            ***            --ooooo***       
               ****           ****          
                   ***********              

          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     1    0    0    0    1    0    1    0    1    1    0    2            
r-comp:     1    0    0    0    1    0    0    0    1    0    0    0            
t-comp:     1    0    0    0    1    0    1    0    1    1    0    0            
Total number of traces used =  15  
number of runs = 9
starttime = Sat Dec 1 18:12:13 MST 2012
depth loop = Sat Dec 1 18:42:11 MST 2012 - Sat Dec 1 18:43:06 MST 2012
Solution produced by inversion of channels with var red > 2%
Initial magnitude 6.4  : depth search was triggered. Initial depth 34 km.
DInit  CMTDep  VarRed
-------------------
020     32.259 25.53
040     34.466 25.54
060     39.070 25.45
100     92.936 8.52
200     214.604 16.11
300     368.942 16.34
400     434.602 16.24
500     482.828 16.15
600     518.370 16.04
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To: eqinfo-mt@gfz-potsdam.de
X-Original-Message-ID: <50bb06e0.h8GCU5j0yk44Nbux%eqinfo@gfz-potsdam.de>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Message-ID: 
Subject: MT solution GFZ event gfz2012xpyv

GFZ Event gfz2012xpyv
12/12/02 00:54:20.16
Vanuatu Islands
Epicenter: -16.97 167.70
MW 6.1

GFZ MOMENT TENSOR SOLUTION
Depth  38         No. of sta: 43
Moment Tensor;   Scale 10**18 Nm
  Mrr= 1.63       Mtt=-0.91
  Mpp=-0.72       Mrt= 0.20
  Mrp=-0.28       Mtp=-0.91
Principal axes:
  T  Val=  1.67  Plg=84  Azm= 69
  N        0.13       3      313
  P       -1.79       6      222

Best Double Couple:Mo=1.7*10**18
 NP1:Strike=135 Dip=51 Slip=  94
 NP2:       309     39        86

           -----------           
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  ---################----------  
  ---##################--------  
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------####################-------
------##########   ########------
-------######### T #########-----
--------########   ##########----
----------###################----
 ----------##################--- 
  -----------#################-  
  -------------##############--  
    ---------------##########    
     -----------------------     
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To: cmtcustomers@ldeo.columbia.edu
Subject: quick CMT: 2012/12/02, 00:54:23.0, VANUATU ISLANDS, MW=6.1
X-Scanned-By: MIMEDefang 2.49 on 129.236.10.30


Here is the solution for the recent event.

December 2, 2012, VANUATU ISLANDS, MW=6.1

Howard Koss
Meredith Nettles

CENTROID-MOMENT-TENSOR  SOLUTION
GCMT EVENT:     C201212020054A  
DATA: II LD IU DK CU MN G  IC GE
L.P.BODY WAVES:154S, 345C, T= 40
MANTLE WAVES:  122S, 160C, T=125
SURFACE WAVES: 154S, 350C, T= 50
TIMESTAMP:      Q-20121202225702
CENTROID LOCATION:
ORIGIN TIME:      00:54:27.5 0.1
LAT:17.04S 0.00;LON:167.49E 0.00
DEP: 39.9  0.2;TRIANG HDUR:  2.7
MOMENT TENSOR: SCALE 10**25 D-CM
RR= 1.600 0.011; TT=-0.885 0.009
PP=-0.715 0.009; RT= 0.166 0.011
RP=-0.298 0.011; TP= 1.050 0.007
PRINCIPAL AXES:
1.(T) VAL=  1.638;PLG=83;AZM= 82
2.(N)       0.245;     4;    313
3.(P)      -1.884;     5;    223
BEST DBLE.COUPLE:M0= 1.76*10**25
NP1: STRIKE=308;DIP=40;SLIP=  83
NP2: STRIKE=137;DIP=50;SLIP=  96

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


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To: undisclosed-recipients:;

CEA/DASE/Laboratoire de Geophysique
CPPT - Centre Polynesien de Prevention des Tsunamis
Message issued on 2012-12-02 at 01:39:21 GMT
An earthquake occured 45 minutes ago

Source parameters obtained from SEISCOMP3 process

  Region           :  Vanuatu Islands
  Origin time      :  2012-12-02 00:54:21
  Latitude         :  -17.06
  Longitude        : +167.58
  Depth            :  +10 km
  Magnitude      M :    6.4 (41 stations)

Source parameters obtained from SYS_AL process

  Magnitude Mm     :   Mw: 6.1,   M0: 1.7e+18 N.m,  Mm: 5.2 ( 28 stations) 

  SLOWNESS (THETA) :   -5.0 (12 stations) 

  Inversion        :   Mw: 6.0,   M0: 1.1e+18 N.m,  Mm: 5.1 ( 32 stations)
                       NP1     :   -0,   56,  145
                       NP2     :  111,   62,   40
                       Depth   :  +15 km
                       Misfit  :   19 %
                       Score P :   80 % ( 40 stations) (Matching P wave first motion [-100%(wrong);100%(perfect)])

                                        
           +++++++++++-------           
        ++++++++++++++++--------        
      +++++++++++++++++++---------      
    ++++++++++++++++++++++----------    
   ++++++++++++++++++++++++----------   
  +++++++++++++++++++++++++-----------  
 --+++++++++++++++++++++++++----------- 
 ---++++++++++++++++++++++++----------- 
 -----++++++++++++++++++++++----------- 
 -------++++++++++++++++++++----------- 
 ----------+++++++++++++++++----------- 
 --------------+++++++++++++----------- 
  ------------------+++++++-----------  
   ------------------------++++++++++   
    ----------------------++++++++++    
      -------------------+++++++++      
        ----------------++++++++        
           -----------+++++++           
                                        

Note: these results are currently evaluated by fully automated process.
Users should be advised to use and interpret these products with caution.



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To: alert@emsc-csem.org, m.d.zirbes@gmail.com, zirbes@usgs.gov
Subject: USGS Body-Wave Moment Tensor Solution

12/12/02 00:54:20.66

Epicenter: -17.035  167.636
MW 6.0

USGS MOMENT TENSOR SOLUTION
Depth  34         No. of sta: 42
Moment Tensor;   Scale 10**18 Nm
  Mrr= 1.26       Mtt=-0.46
  Mpp=-0.80       Mrt= 0.25
  Mrp=-0.20       Mtp= 0.72
 Principal axes:
  T  Val=  1.30  Plg=82  Azm= 24
  N        0.11       3      141
  P       -1.41       7      231

Best Double Couple:Mo=1.4*10**18
 NP1:Strike=325 Dip=38 Slip=  96
 NP2:       138     52        86


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