logo - home

European-Mediterranean Seismological Centre


Current time: 2014-04-25 05:23:06 UTC
You are here : EMSC > Earthquake > Full tensors solutions
    About EMSC

Full tensors solutions

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, new beta version 2/13/12
More details on this rCMT at http://neic.cr.usgs.gov/beta/rcmt/events/120920210340.C000CSW5
usr/passwd : rcmt/rcmt
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
General region :  C000CSW5 FIJI REGION                                       
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used : CASY CTAO KIP MAJO PET PMG SNZO TAU YSS                                                             
Origin time: 2012  264  21   3  40
Origin time reformatted: 2012-09-20 21:03:40
Original location (lat,lon,depth) : -20.8  -178.4 544             
Moment tensor (x1.e26 dyncm) :
Mrr :      0.007418 Mtt :     -0.004408
Mff :     -0.003011 Mrt :     -0.026886
Mrf :      0.005979 Mtf :     -0.036497
T-axis:  moment=     0.047   plunge=    31.720  azimuth=   219.454    
N-axis:  moment=    -0.002   plunge=    52.364  azimuth=    76.173    
P-axis:  moment=    -0.045   plunge=    18.093  azimuth=   321.105    
best double couple: Mo=    0.046(x1.e26 dyncm)  Mw=5.7  tau=  2.0     
nodal planes (strike/dip/slip):    4.17/ 53.75/ 10.88     267.69/ 81.25/143.25  
Centroid location :  -19.796  -179.300   551.236
Centroid time :     15.784
Variance reduction (%) :   2.6

                   ***********              
               ****       ooo ****          
            ***             oo  --***       
          **                 oo -----**     
         **   P               oo -----**    
        *                      o -------*   
       *                       oo -------*  
      **                        o -------** 
      *                         o   ------* 
     **      ooooooooooooooooooooooooooooo**
     **oooooo-----------+------ o         **
     **-------------------------o         **
      *-------------------------o         * 
      **-----------------------oo        ** 
       *-----------------------o         *  
        *-------T-------------o         *   
         **------------------oo       **    
          **----------------oo       **     
            ***-----------ooo-    ***       
               ****-----ooo-- ****          
                   ***********              

          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     0    0    0    0    0    1    2    1    1    0    1    2            
r-comp:     0    0    0    0    0    1    2    1    1    1    0    1            
t-comp:     0    0    0    0    0    1    2    1    1    1    0    1            
Total number of traces used =  22  
number of runs = 18
starttime = Thu Sep 20 15:13:32 MDT 2012
Solution produced by inversion of all available channels
_______________________________________________
researchCMT mailing list
You cannot post to this mailing list. It is for distribution only.
Questions comments? Ask Jascha, researchcmt-owner@geohazards.cr.usgs.gov
Archive: http://geohazards.cr.usgs.gov/pipermail/researchcmt/
To unsubscribe: https://geohazards.usgs.gov/mailman/listinfo/researchcmt

##########################################################
To: eqinfo-mt@gfz-potsdam.de
X-Original-Message-ID: <505ca60f.fVbvxqUndqeXc72w%eqinfo@gfz-potsdam.de>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Message-ID: 
Subject: MT solution GFZ event gfz2012socz

GFZ Event gfz2012socz
12/09/20 21:03:41.40
Fiji Islands Region
Epicenter: -20.82 -178.48
MW 5.6

GFZ MOMENT TENSOR SOLUTION
Depth 553         No. of sta: 43
Moment Tensor;   Scale 10**17 Nm
  Mrr=-1.36       Mtt= 0.88
  Mpp= 0.48       Mrt=-2.14
  Mrp= 0.34       Mtp= 0.88
Principal axes:
  T  Val=  2.91  Plg=25  Azm=212
  N       -0.20      22      111
  P       -2.71      56      345

Best Double Couple:Mo=2.8*10**17
 NP1:Strike=105 Dip=73 Slip=-112
 NP2:       341     28       -36

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


#############################################################
This message is sent to you because you are subscribed to
  the mailing list .
To unsubscribe, E-mail to: 
To switch to the DIGEST mode, E-mail to 
To switch to the INDEX mode, E-mail to 
Send administrative queries to  


##########################################################
To: cmtcustomers@ldeo.columbia.edu
Subject: quick CMT: 2012/09/20, 21:03:40.2, FIJI ISLANDS REGION, MW=5.7
X-Scanned-By: MIMEDefang 2.49 on 129.236.10.30


Here is the solution for the recent event.

September 20, 2012, FIJI ISLANDS REGION, MW=5.7

Howard Koss

CENTROID-MOMENT-TENSOR  SOLUTION
GCMT EVENT:     C201209202103A  
DATA: IU CU II IC G  MN GE LD DK
L.P.BODY WAVES:114S, 175C, T= 40
MANTLE WAVES:   41S,  42C, T=125
TIMESTAMP:      Q-20120921005658
CENTROID LOCATION:
ORIGIN TIME:      21:03:45.1 0.2
LAT:20.67S 0.02;LON:178.31W 0.02
DEP:576.3  1.4;TRIANG HDUR:  1.7
MOMENT TENSOR: SCALE 10**24 D-CM
RR=-1.800 0.046; TT= 0.293 0.075
PP= 1.510 0.080; RT=-3.550 0.073
RP= 0.396 0.081; TP=-1.800 0.072
PRINCIPAL AXES:
1.(T) VAL=  4.076;PLG=27;AZM=219
2.(N)       0.484;    26;    114
3.(P)      -4.556;    51;    348
BEST DBLE.COUPLE:M0= 4.32*10**24
NP1: STRIKE=354;DIP=29;SLIP= -27
NP2: STRIKE=108;DIP=77;SLIP=-117

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


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

12/09/20 21:03:42.75

Epicenter: -20.765 -178.442
MW 5.7

USGS MOMENT TENSOR SOLUTION
Depth 566         No. of sta: 30
Moment Tensor;   Scale 10**17 Nm
  Mrr=-2.38       Mtt= 1.57
  Mpp= 0.80       Mrt=-4.12
  Mrp= 1.03       Mtp=-1.54
 Principal axes:
  T  Val=  4.99  Plg=29  Azm=208
  N       -0.02      12      111
  P       -4.97      58        1

Best Double Couple:Mo=5.0*10**17
 NP1:Strike=108 Dip=75 Slip=-102
 NP2:       329     19       -51


##########################################################