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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, beta version 11/18/12
More details on this rCMT at http://neic.cr.usgs.gov/beta/rcmt/events/121207083114.C000E5N9
usr/passwd : rcmt/rcmt  Event only available after completion bootstrapping
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General region :  C000E5N9 OFF EAST COAST OF HONSHU,                         
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used :  AAK BILL CTAO KIP KURK TIXI ULN                                                                    
Origin time: 2012  342   8  31  14
Origin time reformatted: 2012-12-07 08:31:14
Original location (lat,lon,depth) :  37.9   143.8 102             
Moment tensor (x1.e26 dyncm) :
Mrr :      0.933711 Mtt :     -0.626124
Mff :     -0.307588 Mrt :      0.010138
Mrf :     -0.209567 Mtf :      0.404134
T-axis:  moment=     0.970   plunge=    79.785  azimuth=   102.249    
N-axis:  moment=    -0.060   plunge=     9.389  azimuth=   305.668    
P-axis:  moment=    -0.910   plunge=     3.988  azimuth=   215.008    
best double couple: Mo=    0.940(x1.e26 dyncm)  Mw=6.6  tau=  5.4     
nodal planes (strike/dip/slip):  133.73/ 49.70/102.35     295.02/ 41.83/ 75.84  
Centroid location :   37.809   144.794    98.196
Centroid time :     -2.140
Variance reduction (%) :  -0.3

                   ***********              
               ****           ****          
            ***                   ***       
          **    ------               **     
         **ooooooooooooooooo-         **    
        *ooo---------------ooooo-       *   
       *o o--------------------oooo      *  
      **  -o----------------------ooo-   ** 
      *    o------------------------oo-   * 
     **    -o------------------------oo-- **
     **     oo----------+-T-----------oo--**
     **      ooo-----------------------oo-**
      *        oo-----------------------o-* 
      **        ooo----------------------** 
       *          ooo--------------------*  
        *           oooo----------------*   
         **            oooo-----------**    
          **              ooooooooooo**     
            **P               ----***       
               ****           ****          
                   ***********              

          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     1    0    1    0    0    1    1    2    1    0    0    0            
r-comp:     1    0    1    0    0    1    1    2    1    0    0    0            
t-comp:     1    0    1    0    0    1    1    2    1    0    0    0            
Total number of traces used =  21  
number of runs = 5
starttime = Fri Dec 7 01:52:51 MST 2012
depth loop = Fri Dec 7 02:09:14 MST 2012 - Fri Dec 7 02:09:31 MST 2012
Solution produced by inversion of all available channels
Initial magnitude 6.2  : depth search was triggered. Initial depth 29 km.
DInit  CMTDep  VarRed
-------------------
020     37.051 -1.05
040     51.146 -0.70
060     73.422 -0.73
100     97.892 -0.32
200     102.793 -0.30
300     28.546 -1.14
400     298.076 -1.31
500     547.110 -1.48
600     699.000 -1.06
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To: eqinfo-mt@gfz-potsdam.de
X-Original-Message-ID: <50c1b536.gUkFS1FAQcZkNOGH%eqinfo@gfz-potsdam.de>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Message-ID: 
Subject: MT solution GFZ event gfz2012xzrk

GFZ Event gfz2012xzrk
12/12/07 08:31:12.75
Off East Coast of Honshu, Japan
Epicenter: 37.93 143.84
MW 6.1

GFZ MOMENT TENSOR SOLUTION
Depth  22         No. of sta: 18
Moment Tensor;   Scale 10**18 Nm
  Mrr=-1.95       Mtt= 0.28
  Mpp= 1.67       Mrt=-0.14
  Mrp= 0.46       Mtp= 0.28
Principal axes:
  T  Val=  2.06  Plg= 5  Azm=294
  N       -0.02       9      203
  P       -2.03      79       53

Best Double Couple:Mo=2.0*10**18
 NP1:Strike=195 Dip=51 Slip=-101
 NP2:        34     41       -75

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To: cmtcustomers@ldeo.columbia.edu
Subject: quick CMT: 2012/12/07, 08:31:14.6, OFF EAST COAST OF HONSHU, JAPAN, MW=6.2
X-Scanned-By: MIMEDefang 2.49 on 129.236.10.30


Here is the solution for the recent event.

December 7, 2012, OFF EAST COAST OF HONSHU, JAPAN, MW=6.2

Goran Ekstrom
Meredith Nettles

CENTROID-MOMENT-TENSOR  SOLUTION
GCMT EVENT:     S201212070831A  
DATA: II IU MN G  CU IC GE LD DK
SURFACE WAVES:  86S, 154C, T= 50
TIMESTAMP:      Q-20121208204326
CENTROID LOCATION:
ORIGIN TIME:      08:31:17.4 0.4
LAT:38.03N 0.04;LON:143.93E 0.03
DEP: 25.0  1.6;TRIANG HDUR:  3.3
MOMENT TENSOR: SCALE 10**25 D-CM
RR=-2.330 0.276; TT= 0.153 0.146
PP= 2.180 0.160; RT= 0.710 0.344
RP=-0.020 0.254; TP= 1.030 0.070
PRINCIPAL AXES:
1.(T) VAL=  2.625;PLG= 3;AZM=293
2.(N)      -0.085;    16;     24
3.(P)      -2.537;    73;    193
BEST DBLE.COUPLE:M0= 2.58*10**25
NP1: STRIKE=  7;DIP=44;SLIP=-114
NP2: STRIKE=218;DIP=50;SLIP= -69

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


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To: undisclosed-recipients:;

CEA/DASE/Laboratoire de Geophysique
CPPT - Centre Polynesien de Prevention des Tsunamis
Message issued on 2012-12-07 at 09:16:13 GMT
An earthquake occured 45 minutes ago

Source parameters obtained from SEISCOMP3 process

  Region           :  Off East Coast of Honshu, Japan
  Origin time      :  2012-12-07 08:31:13
  Latitude         :  +38.03
  Longitude        : +143.74
  Depth            :  +10 km
  Magnitude      M :    6.3 (52 stations)

Source parameters obtained from SYS_AL process

  Magnitude Mm     :   Mw: 6.6,   M0: 9.8e+18 N.m,  Mm: 6.0 ( 14 stations) 

  SLOWNESS (THETA) :   -2.9 (14 stations) 

  Inversion        :   Mw: 6.7,   M0: 1.2e+19 N.m,  Mm: 6.1 ( 22 stations)
                       NP1     :  194,    4,   90
                       NP2     :   14,   86,   90
                       Depth   :  +15 km
                       Misfit  :   40 %

                                        
           -+++++++++++++----           
        -+++++++++++++++--------        
      -+++++++++++++++++----------      
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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 WPhase Moment Tensor Solution

12/12/07  8:31:14

Epicenter:  37.938  143.762
MW 6.2

USGS/WPHASE CENTROID MOMENT TENSOR
12/12/07 08:31:14.00
Centroid:   37.838  143.635
Depth  11         No. of sta:  9
Moment Tensor;   Scale 10**18 Nm
  Mrr=-1.27       Mtt=-0.34
  Mpp= 1.60       Mrt=-2.27
  Mrp=-0.38       Mtp= 1.01
 Principal axes:
  T  Val=  2.60  Plg=23  Azm=127
  N     =  0.55      30      232
  P     = -3.14      49        6

Best Double Couple:Mo=2.9*10**18
 NP1:Strike=174 Dip=35 Slip=-153
 NP2:        62     75       -58

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