Historic USGS Moment Tensor Solutions

Magnitude 7.7 KEP. MENTAWAI REGION, INDONESIA
Monday, October 25, 2010 at 14:42:22 UTC

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 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 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 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              
 2008 12 11 17:06: 6.86  -3.649  100.753 PDE| 20.0 5.5 2.4  17 |2.16 63  50  0.44  9 300 -2.59 24 206|276 23   64 124 70  100| 66 GS              
 2008 12 15 21:18:10.10  -2.829  101.042 PDE| 34.0 5.2 7.6  16 |7.70 49 359 -0.23 37 152 -7.49 13 253|135 68   49  22 45  149| 94 GS              
 2008 12 17 16:06:58.16  -6.072  103.514 PDE| 27.0 5.2 6.7  16 |6.09 71 273  1.03 15 126 -7.12  9  34|318 56  109 106 38   64| 71 GS              
 2008 12 30 19:49:52.61  -4.297  101.217 PDE| 20.0 5.9 7.9  17 |7.78 66  21  0.23  6 125 -8.01 22 218|321 23  106 123 68   83| 94 GS              
 2009 01 01 16:57:53.11  -4.332  101.298 PDE| 19.0 5.3 1.3  17 |1.11 71  22  0.26 10 145 -1.37 15 238|343 31  110 140 61   78| 62 GS              
 2009 01 28 00:01:14.59  -0.262   98.280 PDE| 14.0 5.6 3.2  17 |3.02 58  16  0.34 11 125 -3.36 28 222|341 19  127 122 75   78| 80 GS              
 2009 02 23 05:56:31.68   0.479   98.548 PDE| 35.0 5.3 1.3  17 |1.24 64 356  0.12 20 137 -1.35 15 232|349 35  128 126 63   67| 82 GS              
 2009 04 15 17:47:27.77  -3.079  100.424 PDE| 19.0 5.5 2.5  17 |2.50 55  58  0.10 29 275 -2.59 17 175|229 38   37 108 68  122| 92 GS              
 2009 04 15 20:01:34.68  -3.115  100.471 PDE| 20.0 6.1 1.9  18 |2.02 60  26 -0.22  4 123 -1.80 29 216|319 16  106 123 75   86| 78 GS              
 2009 06 20 09:21:23.87  -4.990  103.049 PDE| 42.0 5.4 1.7  17 |1.84 76   7 -0.35 10 143 -1.48  9 235|337 37  107 136 55   78| 62 GS              
 2009 07 26 23:10:23.51  -4.811  102.895 PDE| 47.0 5.6 3.7  17 |3.91 78  23 -0.46  7 153 -3.45  8 245|344 37  103 149 54   81| 76 GS              
 2009 07 28 08:43:45.45  -5.497  101.705 PDE|                  |     35 313                     5  47|355 70  150  96 62   23|    GS              
 2009 08 16 07:38:21.70  -1.479   99.490 PDE| 21.0 6.5 8.0  18 |7.92 69 256  0.24  3 158 -8.15 20  67|340 66   93 152 25   82| 94 GS              
 2009 08 16 12:49: 0.09  -1.448   99.433 PDE| 15.0 5.7 4.2  17 |3.79 56 232  0.76 13 345 -4.54 29  83|341 76   76 208 20  135| 67 GS              
 2009 08 18 17:50:34.01  -0.911   97.950 PDE|  3.0 5.9 8.6  17 |9.35 48  52 -1.93  1 320 -7.42 41 229|300  4   69 141 86   91| 59 GS              
 2009 08 23 17:38:23.86  -1.649   99.572 PDE|  6.0 5.4 1.8  17 |2.05 53 222 -0.58  3 317 -1.47 36  50|317 81   87 159 10  111| 43 GS              

Latest USGS Fast Moment Tensor Solutions

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