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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/120828060816.C000C92S
usr/passwd : rcmt/rcmt
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General region :  C000C92S OFFSHORE EL SALVADOR                              
surface waves  (3.0,3.5,7,7.5 mHz)
Stations used :  CCM HRV NNA SJG SSPA TUC WCI WVT                                                                   
Origin time: 2012  241   6   8  16
Origin time reformatted: 2012-08-28 06:08:16
Original location (lat,lon,depth) :  12.5   -88.7  34             
Moment tensor (x1.e26 dyncm) :
Mrr :     -0.042868 Mtt :     -0.003464
Mff :      0.046332 Mrt :     -0.045235
Mrf :      0.020158 Mtf :     -0.008828
T-axis:  moment=     0.058   plunge=    19.859  azimuth=   246.603    
N-axis:  moment=     0.016   plunge=    24.743  azimuth=   147.021    
P-axis:  moment=    -0.074   plunge=    57.380  azimuth=    10.960    
best double couple: Mo=    0.066(x1.e26 dyncm)  Mw=5.8  tau=  2.2     
nodal planes (strike/dip/slip):   11.57/ 33.30/-40.33     136.93/ 69.18/-116.60 
Centroid location :   10.925   -89.096    47.915
Centroid time :      2.719
Variance reduction (%) :  26.2

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

          0-   30-  60-  90-  120- 150- 180- 210- 240- 270- 300- 330-           
z-comp:     0    0    0    1    0    4    1    1    0    0    0    0            
r-comp:     1    0    0    1    0    2    0    1    0    0    0    0            
t-comp:     0    0    0    0    0    2    0    0    0    0    0    0            
Total number of traces used =  14  
number of runs = 2
starttime = Tue Aug 28 00:28:23 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: <503c74a8.zkBivNBAA4MABx54%eqinfo@gfz-potsdam.de>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Message-ID: 
Subject: MT solution GFZ event gfz2012qwyx

GFZ Event gfz2012qwyx
12/08/28 06:08:16.33
Off Coast of Central America
Epicenter: 12.53 -88.70
MW 5.4

GFZ MOMENT TENSOR SOLUTION
Depth  10         No. of sta: 62
Moment Tensor;   Scale 10**17 Nm
  Mrr=-1.35       Mtt= 1.25
  Mpp= 0.11       Mrt=-0.08
  Mrp=-0.57       Mtp= 1.25
Principal axes:
  T  Val=  1.27  Plg= 0  Azm=188
  N        0.28      19       98
  P       -1.55      71      278

Best Double Couple:Mo=1.4*10**17
 NP1:Strike= 80 Dip=48 Slip=-115
 NP2:       296     48       -63

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To: cmtcustomers@ldeo.columbia.edu
Subject: quick CMT: 2012/08/28, 06:08:16.6, OFF COAST OF CENTRAL AMERICA, MW=5.5
X-Scanned-By: MIMEDefang 2.49 on 129.236.10.30


Here is the solution for the recent event.

August 28, 2012, OFF COAST OF CENTRAL AMERICA, MW=5.5

Howard Koss
Meredith Nettles

CENTROID-MOMENT-TENSOR  SOLUTION
GCMT EVENT:     C201208280608A  
DATA: II IU MN G  CU IC LD GE DK
L.P.BODY WAVES:102S, 183C, T= 40
MANTLE WAVES:   33S,  35C, T=125
SURFACE WAVES: 132S, 248C, T= 50
TIMESTAMP:      Q-20120828100612
CENTROID LOCATION:
ORIGIN TIME:      06:08:16.5 0.1
LAT:12.27N 0.01;LON: 89.01W 0.01
DEP: 12.0  FIX;TRIANG HDUR:  1.4
MOMENT TENSOR: SCALE 10**24 D-CM
RR=-1.530 0.020; TT= 1.640 0.017
PP=-0.104 0.023; RT=-1.350 0.048
RP= 0.721 0.059; TP=-0.311 0.017
PRINCIPAL AXES:
1.(T) VAL=  2.265;PLG=21;AZM=194
2.(N)      -0.071;    10;    288
3.(P)      -2.188;    66;     42
BEST DBLE.COUPLE:M0= 2.23*10**24
NP1: STRIKE=266;DIP=25;SLIP=-114
NP2: STRIKE=113;DIP=67;SLIP= -79

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

12/ 8/28  6: 8:16.00

Epicenter:  12.498  -88.650
MW 5.5

USGS/WPHASE CENTROID MOMENT TENSOR
12/ 8/28  6: 8:16.00
Centroid:   12.498  -88.650
Depth  15         No. of sta: 35
Moment Tensor;   Scale 10**17 Nm
  Mrr=-1.39       Mtt= 1.01
  Mpp= 0.37       Mrt=-1.69
  Mrp= 0.52       Mtp=-0.60
 Principal axes:
  T  Val=  2.21  Plg=25  Azm=205
  N     =  0.06       6      112
  P     = -2.27      63        9

Best Double Couple:Mo=2.2*10**17
 NP1:Strike=311 Dip=20 Slip= -70
 NP2:       110     71       -96

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