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Earthquake Hazards Program

Magnitude 6.7 KEP. MENTAWAI REGION, INDONESIA

Sunday, August 16, 2009 at 07:38:21 UTC

Historic USGS Moment Tensor Solutions

Historic Moment Tensor Solutions World Location
Major Tectonic Boundaries: Subduction Zones -purple, Ridges -red and Transform Faults -green

The most recent (20 or less) USGS Moment Tensor Solutions are shown.
Data from the Source Parameter Database.

                        E P I C E N T E R   |          MOMENT  |    P R I N C I P A L  A X E S       |N O D A L  P L A N E S | 
     DATE    TIME (UTC)   LAT      LONG  SRC|DEPTH     VAL  EX |     T            N            P     |     1           2     | %  SRC
  YR  MO DA HR MN SEC     deg      deg      |  km  Mw     Nm   |VAL  PL AZM  VAL  PL AZM  VAL  PL AZM|STK DP SLIP STK DP SLIP| DC
---------------------------------------------------------------------------------------------------------------------------------------
 2008 02 25 08:36:33.03  -2.486   99.972 PDE| 32.0 6.9 2.5  19 |2.63 59  23 -0.19  4 121 -2.44 29 213|317 16  107 120 75   85| 86 GS              
 2008 02 25 18:06: 3.90  -2.332   99.891 PDE| 26.0 6.3 3.2  18 |3.56 60  30 -1.01  6 131 -2.55 28 224|332 17  111 130 74   84| 43 GS              
 2008 02 25 21:02:18.42  -2.245   99.808 PDE| 24.0 6.5 6.5  18 |6.75 60  30 -0.44  1 298 -6.31 29 207|294 15   86 118 75   91| 87 GS              
 2008 02 26 18:18:27.53  -3.852  101.067 PDE| 20.0 5.8 6.7  17 |6.14 58 359  1.03 18 122 -7.17 24 221|345 26  136 116 72   71| 71 GS              
 2008 03 03 02:37:27.12  -2.180   99.823 PDE| 24.0 6.0 1.4  18 |1.55 66  25 -0.47  1 292 -1.08 23 201|288 21   86 113 69   91| 39 GS              
 2008 03 16 23:05:25.58  -2.897  101.095 PDE| 61.0 5.2 9.2  16 |0.80 88 130  0.21  1 356 -1.02  1 266|355 44   88 178 46   92| 59 GS              
 2008 03 29 17:30:50.15   2.855   95.296 PDE| 22.0 6.3 3.2  18 |3.37 57  42 -0.40 11 293 -2.98 29 196|256 18   51 117 76  102| 76 GS              
 2008 04 02 08:48:49.73  -4.346  102.717 PDE| 56.0 5.6 3.7  17 |3.79 74   3 -0.25 11 142 -3.54  9 234|339 37  110 134 56   76| 87 GS              
 2008 05 18 12:17:23.34  -3.202  101.409 PDE| 35.0 5.6 2.7  17 |2.80 67 358 -0.23 14 125 -2.57 17 219|331 30  119 118 64   74| 84 GS              
 2008 05 19 14:26:45.02   1.640   99.147 PDE|  8.0 5.9 8.8  17 |8.20  3 108  1.11 78 217 -9.31 10  17| 63 85  -10 154 80 -175| 76 GS              
 2008 05 20 17:08: 0.20  -3.181  101.475 PDE| 58.0 5.7 5.0  17 |4.52 88 127  0.78  1 347 -5.31  1 257|346 44   88 169 46   92| 71 GS              
 2008 05 21 22:22:55.69  -4.129  101.272 PDE| 19.0 5.4 1.5  17 |1.32 57 346  0.25 26 127 -1.57 17 226|351 36  139 116 68   62| 68 GS              
 2008 06 25 01:52:36.04   1.324   97.158 PDE| 19.0 5.3 1.3  17 |1.48 65  43 -0.43  1 137 -1.05 24 228|322 21   95 137 69   88| 42 GS              
 2008 06 25 02:53:25.44   1.344   97.191 PDE| 16.0 5.5 2.6  17 |2.76 73  37 -0.29  1 132 -2.47 16 223|316 29   93 132 61   88| 79 GS              
 2008 07 14 04:44:51.64   2.177   96.518 PDE| 19.0 5.5 2.4  17 |2.21 66  17  0.33  5 121 -2.54 22 213|315 23  105 119 67   84| 74 GS              
 2008 08 08 06:37:41.91  -3.942  101.076 PDE| 14.0 5.6 3.1  17 |3.03 69  22  0.21  0 292 -3.24 20 202|291 24   89 112 66   90| 87 GS              
 2008 09 10 03:00:30.87   2.506   96.323 PDE| 18.0 5.4 1.7  17 |1.62 66  40  0.09  1 305 -1.71 23 214|301 22   85 126 68   92| 89 GS              
 2008 11 03 19:21:58.45   1.145   97.253 PDE| 19.0 5.7 4.6  17 |4.36 71  50  0.38  1 316 -4.73 18 225|313 26   87 137 64   92| 84 GS              
 2008 11 22 16:01: 1.70  -4.348  101.259 PDE| 22.0 6.3 4.1  18 |4.42 61  21 -0.69  6 123 -3.73 27 217|323 18  110 122 73   83| 69 GS              
 2008 11 28 08:50:47.91  -4.755  101.764 PDE| 23.0 5.8 7.2  17 |7.95 59  19 -1.88  8 123 -6.07 28 218|330 18  118 121 74   82| 53 GS              

Latest USGS Fast Moment Tensor Solutions

Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver


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