logo - home






Current time: 2014-11-23 01:11:02 UTC
You are here : EMSC > Earthquake > Full tensors solutions
    About EMSC

Full tensors solutions

To: vallee@geoazur.unice.fr
From: scardec@geoazur.unice.fr
Subject:  [SCARDEC] Recent Mw=6.1 earthquake, located in OFF THE EAST COAST OF HONSHU, JAPAN
Message-Id: <20121001230500.5C27EE743F6@alto.unice.fr>
Date: Tue,  2 Oct 2012 01:05:00 +0200 (CEST)

2012 10 01 22 21 45.0 39.853 143.047 23.0 6.1 184 15 68 26 76 96
INDICATIF_SEISME 20121001_222145_OFF_THE_EAST_COAST_OF_HONSHU__JAPAN

##########################################################
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/121001222145.C000CZ76
usr/passwd : rcmt/rcmt
- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
General region :  C000CZ76 OFF EAST COAST OF HONSHU,                         
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used :  CTAO KBS KIP KURK MA2 PMG TIXI ULN                                                                 
Origin time: 2012  275  22  21  45
Origin time reformatted: 2012-10-01 22:21:45
Original location (lat,lon,depth) :  39.9   143.0 35              
Moment tensor (x1.e26 dyncm) :
Mrr :      0.080974 Mtt :      0.007633
Mff :     -0.088608 Mrt :      0.087616
Mrf :      0.089292 Mtf :     -0.017122
T-axis:  moment=     0.158   plunge=    57.566  azimuth=   329.304    
N-axis:  moment=    -0.012   plunge=    16.282  azimuth=   211.941    
P-axis:  moment=    -0.146   plunge=    27.208  azimuth=   113.305    
best double couple: Mo=    0.152(x1.e26 dyncm)  Mw=6.1  tau=  3.0     
nodal planes (strike/dip/slip):   36.70/ 74.13/106.95     168.62/ 23.06/ 44.29  
Centroid location :   38.629   143.099    28.425
Centroid time :      0.620
Variance reduction (%) :  32.6

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

          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     1    0    1    0    0    1    2    1    0    0    0    0            
r-comp:     1    0    1    0    0    0    2    1    1    0    0    0            
t-comp:     1    0    0    0    0    1    2    0    1    0    0    0            
Total number of traces used =  17  
number of runs = 9
starttime = Mon Oct 1 16:41:05 MDT 2012
depth loop = Mon Oct 1 17:00:11 MDT 2012 - Mon Oct 1 17:00:20 MDT 2012
Solution produced by inversion of channels with var red > 2%
Initial magnitude 6.2  : depth search was triggered. Initial depth 10 km.
DInit  CMTDep  VarRed
-------------------
020     22.360 20.44
040     30.212 20.84
060     35.118 21.03
100     107.315 3.85
200     189.635 9.14
300     290.830 9.58
400     329.668 9.50
500     404.331 9.23
600     479.146 9.11
_______________________________________________
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: <506a8ae2.uwtxbLXzW3iK/lA4%eqinfo@gfz-potsdam.de>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Message-ID: 
Subject: MT solution GFZ event gfz2012tiic

GFZ Event gfz2012tiic
12/10/01 22:21:48.12
Off East Coast of Honshu, Japan
Epicenter: 39.85 143.24
MW 6.0

GFZ MOMENT TENSOR SOLUTION
Depth  16         No. of sta: 94
Moment Tensor;   Scale 10**17 Nm
  Mrr= 5.27       Mtt= 1.62
  Mpp=-6.90       Mrt= 4.26
  Mrp= 7.11       Mtp= 1.62
Principal axes:
  T  Val=  9.56  Plg=62  Azm=318
  N        2.13      11      207
  P       -11.68      26      111

Best Double Couple:Mo=1.1*10**18
 NP1:Strike=176 Dip=22 Slip=  58
 NP2:        30     72       102

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


#############################################################
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: 2012/10/01, 22:21:45.3, 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.

October 1, 2012, OFF EAST COAST OF HONSHU, JAPAN, MW=6.2

Howard Koss
Meredith Nettles

CENTROID-MOMENT-TENSOR  SOLUTION
GCMT EVENT:     C201210012221A  
DATA: LD IU MN II G  CU IC GE DK
L.P.BODY WAVES:126S, 267C, T= 40
MANTLE WAVES:   89S, 119C, T=125
SURFACE WAVES: 142S, 326C, T= 50
TIMESTAMP:      Q-20121002110241
CENTROID LOCATION:
ORIGIN TIME:      22:21:50.8 0.1
LAT:39.86N 0.01;LON:143.27E 0.01
DEP: 15.0  0.3;TRIANG HDUR:  3.0
MOMENT TENSOR: SCALE 10**25 D-CM
RR= 0.596 0.007; TT= 0.058 0.005
PP=-0.654 0.007; RT= 1.140 0.036
RP= 1.900 0.054; TP=-0.215 0.005
PRINCIPAL AXES:
1.(T) VAL=  2.280;PLG=53;AZM=306
2.(N)       0.064;     5;    210
3.(P)      -2.344;    37;    116
BEST DBLE.COUPLE:M0= 2.31*10**25
NP1: STRIKE=177;DIP= 9;SLIP=  57
NP2: STRIKE= 30;DIP=82;SLIP=  95

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


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

12/10/01 22:21:45.51

Epicenter:  39.851  143.141
MW 6.0

USGS MOMENT TENSOR SOLUTION
Depth  16         No. of sta: 91
Moment Tensor;   Scale 10**18 Nm
  Mrr= 0.65       Mtt=-0.11
  Mpp=-0.53       Mrt= 0.60
  Mrp= 0.94       Mtp=-0.42
 Principal axes:
  T  Val=  1.26  Plg=61  Azm=304
  N        0.14       1      212
  P       -1.40      29      122

Best Double Couple:Mo=1.3*10**18
 NP1:Strike= 33 Dip=74 Slip=  91
 NP2:       210     16        88


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