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Full tensors solutions

To: vallee@geoazur.unice.fr
From: scardec@geoazur.unice.fr
Subject:  [SCARDEC] Recent Mw=6.8 earthquake, located in JAN MAYEN ISLAND REGION
Message-Id: <20120830142658.0E971E74408@alto.unice.fr>
Date: Thu, 30 Aug 2012 16:26:58 +0200 (CEST)

2012 08 30 13 43 24.0 71.462 -10.723 22.0 6.8 21 90 169 111 79 0
INDICATIF_SEISME 20120830_134324_JAN_MAYEN_ISLAND_REGION

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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, new beta version 2/13/12
More details on this rCMT at http://neic.cr.usgs.gov/beta/rcmt/events/120830134324.C000CB69
usr/passwd : rcmt/rcmt
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General region :  C000CB69 JAN MAYEN ISLAND REGION                           
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used :  ARU BFO FFC GNI HRV KIV OBN TIXI                                                                   
Origin time: 2012  243  13  43  24
Origin time reformatted: 2012-08-30 13:43:24
Original location (lat,lon,depth) :  71.5   -10.7 10              
Moment tensor (x1.e26 dyncm) :
Mrr :     -0.091206 Mtt :      1.153114
Mff :     -1.061908 Mrt :      0.628550
Mrf :     -0.289173 Mtf :      1.207516
T-axis:  moment=     1.800   plunge=    14.200  azimuth=   338.476    
N-axis:  moment=    -0.041   plunge=    66.893  azimuth=   104.848    
P-axis:  moment=    -1.760   plunge=    17.839  azimuth=   243.805    
best double couple: Mo=    1.780(x1.e26 dyncm)  Mw=6.8  tau=  6.7     
nodal planes (strike/dip/slip):   21.71/ 67.04/-177.31     290.66/ 87.53/-22.98 
Centroid location :   71.742   -10.365    23.565
Centroid time :      6.588
Variance reduction (%) :  60.5

                   ***********              
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            ***---T------------oo-***       
          **--------------------o    **     
         **---------------------o     **    
        *-----------------------o       *   
       *-----------------------o         *  
      ** oo-o------------------o         ** 
      *       oooo------------oo          * 
     **           oooooo------o           **
     **                o+oooooo           **
     **                     ooooo         **
      *                     o ---o-oo     * 
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       *  P               oo-------------*  
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                   ***********              

          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     0    1    3    1    0    1    0    0    1    1    0    0            
r-comp:     0    1    3    1    0    1    0    0    0    1    0    0            
t-comp:     0    1    3    1    0    0    0    0    0    1    0    0            
Total number of traces used =  21  
number of runs = 4
starttime = Thu Aug 30 08:02:23 MDT 2012
depth loop = Thu Aug 30 08:09:58 MDT 2012 - Thu Aug 30 08:10:09 MDT 2012
Solution produced by inversion of channels with var red > 2%
Initial magnitude 6.6  : depth search was triggered. Initial depth 9 km.
DInit  CMTDep  VarRed
-------------------
020     10.000 27.95
040     10.000 37.18
060     10.000 36.63
100     10.000 36.67
200     146.696 11.35
300     147.130 12.99
400     10.000 14.85
500     244.819 8.92
600     446.004 5.04
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To: eqinfo-mt@gfz-potsdam.de
X-Original-Message-ID: <503f7b09.uWMMXdA74XdfyrZp%eqinfo@gfz-potsdam.de>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Message-ID: 
Subject: MT solution GFZ event gfz2012rbex

GFZ Event gfz2012rbex
12/08/30 13:43:27.23
Jan Mayen Island Region
Epicenter: 71.31 -10.73
MW 6.7

GFZ MOMENT TENSOR SOLUTION
Depth  20         No. of sta: 45
Moment Tensor;   Scale 10**19 Nm
  Mrr=-0.25       Mtt= 1.03
  Mpp=-0.78       Mrt=-0.34
  Mrp=-0.37       Mtp= 1.03
Principal axes:
  T  Val=  1.53  Plg=15  Azm=156
  N       -0.32      70       20
  P       -1.21      13      250

Best Double Couple:Mo=1.4*10**19
 NP1:Strike=293 Dip=70 Slip=   1
 NP2:       203     89       160

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To: cmtcustomers@ldeo.columbia.edu
Subject: quick CMT: 2012/08/30, 13:43:24.7, JAN MAYEN ISLAND REGION, MW=6.7
X-Scanned-By: MIMEDefang 2.49 on 129.236.10.30


Here is the solution for the recent event.

August 30, 2012, JAN MAYEN ISLAND REGION, MW=6.7

Howard Koss

CENTROID-MOMENT-TENSOR  SOLUTION
GCMT EVENT:     C201208301343A  
DATA: II LD IU CU MN G  IC GE DK
L.P.BODY WAVES:137S, 335C, T= 50
MANTLE WAVES:  132S, 286C, T=125
SURFACE WAVES: 148S, 348C, T= 50
TIMESTAMP:      Q-20120830125010
CENTROID LOCATION:
ORIGIN TIME:      13:43:35.3 0.0
LAT:71.45N 0.00;LON:  9.89W 0.01
DEP: 25.0  0.2;TRIANG HDUR:  5.7
MOMENT TENSOR: SCALE 10**26 D-CM
RR=-0.007 0.006; TT= 1.060 0.008
PP=-1.050 0.006; RT= 0.129 0.018
RP= 0.376 0.017; TP= 1.180 0.006
PRINCIPAL AXES:
1.(T) VAL=  1.633;PLG=10;AZM=335
2.(N)       0.000;    76;    203
3.(P)      -1.631;    10;     67
BEST DBLE.COUPLE:M0= 1.63*10**26
NP1: STRIKE=111;DIP=76;SLIP=  -1
NP2: STRIKE=201;DIP=89;SLIP=-166

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

12/08/30 13:43:24.75

Epicenter:  71.451  -10.900
MW 6.6

USGS MOMENT TENSOR SOLUTION
Depth  16         No. of sta: 45
Moment Tensor;   Scale 10**19 Nm
  Mrr= 0.11       Mtt= 0.69
  Mpp=-0.79       Mrt=-0.22
  Mrp=-0.19       Mtp= 0.66
 Principal axes:
  T  Val=  1.02  Plg=17  Azm=158
  N        0.03      72      355
  P       -1.05       5      250

Best Double Couple:Mo=1.0*10**19
 NP1:Strike=295 Dip=75 Slip=   9
 NP2:       203     82       164


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