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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/120925030652.C000CVD1
usr/passwd : rcmt/rcmt
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General region :  C000CVD1 TONGA                                             
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used :  CASY CTAO KIP MAJO PET SNZO TAU YSS                                                                
Origin time: 2012  269   3   6  52
Origin time reformatted: 2012-09-25 03:06:52
Original location (lat,lon,depth) : -15.5  -173.9 104             
Moment tensor (x1.e26 dyncm) :
Mrr :      0.011478 Mtt :     -0.071393
Mff :      0.059916 Mrt :      0.004677
Mrf :      0.019694 Mtf :      0.030619
T-axis:  moment=     0.073   plunge=    18.120  azimuth=   282.539    
N-axis:  moment=     0.005   plunge=    71.878  azimuth=   101.862    
P-axis:  moment=    -0.078   plunge=     0.200  azimuth=   192.473    
best double couple: Mo=    0.076(x1.e26 dyncm)  Mw=5.9  tau=  2.3     
nodal planes (strike/dip/slip):   58.96/ 77.44/ 13.17     326.05/ 77.15/167.11  
Centroid location :  -15.097  -173.810   124.003
Centroid time :      6.218
Variance reduction (%) :  20.4

                   ***********              
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          **----ooo                  **     
         **-------ooo                 **    
        *-----------oo                 o*   
       *-------------ooo              oo-*  
      **---------------oo          ooo---** 
      *--T--------------ooo      ooo------* 
     **-------------------oo---ooo--------**
     **-----------------+--ooooo----------**
     **------------------ooooo------------**
      *---------------oooo---oo-----------* 
      **----------ooooo       oo---------** 
       *-----oooooo            oo--------*  
        *ooooo                  oo------*   
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          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     0    0    0    0    0    1    2    1    0    1    1    2            
r-comp:     0    0    0    0    0    1    0    0    0    1    0    1            
t-comp:     0    0    0    0    0    1    1    1    0    1    0    1            
Total number of traces used =  16  
number of runs = 1
starttime = Mon Sep 24 22:04:07 MDT 2012
Solution produced by inversion of channels with var red > 2%
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To: eqinfo-mt@gfz-potsdam.de
X-Original-Message-ID: <50614fc0.ZAPpir6iSBQR06BH%eqinfo@gfz-potsdam.de>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Message-ID: 
Subject: MT solution GFZ event gfz2012svwz

GFZ Event gfz2012svwz
12/09/25 03:06:52.50
Tonga Islands
Epicenter: -15.49 -173.86
MW 5.6

GFZ CENTROID MOMENT TENSOR SOLUTION
12/09/25 03:06:55.62
Centroid:   -15.5  -173.7
Depth 109         No. of sta: 49
Moment Tensor;   Scale 10**17 Nm
  Mrr= 1.71       Mtt=-2.43
  Mpp= 0.73       Mrt= 0.80
  Mrp= 1.67       Mtp=-2.43
Principal axes:
  T  Val=  3.03  Plg=54  Azm=281
  N       -0.42      33       75
  P       -2.62      13      173

Best Double Couple:Mo=2.8*10**17
 NP1:Strike= 57 Dip=66 Slip=  53
 NP2:       299     43       143

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


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To: cmtcustomers@ldeo.columbia.edu
Subject: quick CMT: 2012/09/25, 03:06:52.0, TONGA ISLANDS, MW=5.7
X-Scanned-By: MIMEDefang 2.49 on 129.236.10.30


Here is the solution for the recent event.

September 25, 2012, TONGA ISLANDS, MW=5.7

Howard Koss

CENTROID-MOMENT-TENSOR  SOLUTION
GCMT EVENT:     C201209250306A  
DATA: II IU CU MN G  IC LD GE DK
L.P.BODY WAVES:129S, 227C, T= 40
MANTLE WAVES:   46S,  49C, T=125
SURFACE WAVES: 138S, 284C, T= 50
TIMESTAMP:      Q-20120925075009
CENTROID LOCATION:
ORIGIN TIME:      03:06:58.1 0.1
LAT:15.38S 0.01;LON:173.61W 0.01
DEP:120.7  0.7;TRIANG HDUR:  1.7
MOMENT TENSOR: SCALE 10**24 D-CM
RR= 1.650 0.035; TT=-3.840 0.042
PP= 2.190 0.043; RT= 0.953 0.031
RP= 2.390 0.027; TP=-0.417 0.041
PRINCIPAL AXES:
1.(T) VAL=  4.338;PLG=42;AZM=273
2.(N)      -0.217;    45;     68
3.(P)      -4.121;    13;    171
BEST DBLE.COUPLE:M0= 4.23*10**24
NP1: STRIKE=303;DIP=51;SLIP= 156
NP2: STRIKE= 49;DIP=71;SLIP=  42

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


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

12/ 9/25  3: 6:52.00

Epicenter: -15.472 -173.922
MW 5.6

USGS/WPHASE CENTROID MOMENT TENSOR
12/ 9/25  3: 6:52.00
Centroid:  -15.772 -173.715
Depth 110         No. of sta: 27
Moment Tensor;   Scale 10**17 Nm
  Mrr= 1.22       Mtt=-2.57
  Mpp= 1.35       Mrt= 0.15
  Mrp= 1.72       Mtp=-0.44
 Principal axes:
  T  Val=  3.02  Plg=43  Azm=266
  N     = -0.36      45       74
  P     = -2.65       6      171

Best Double Couple:Mo=2.9*10**17
 NP1:Strike=299 Dip=56 Slip= 150
 NP2:        47     66        38

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