Historic USGS Moment Tensor Solutions

Magnitude 8.6 OFF W COAST OF NORTHERN SUMATRA
Wednesday, April 11, 2012 at 08:38:38 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
---------------------------------------------------------------------------------------------------------------------------------------
 2006 12 17 21:10:21.91   4.815   95.018 PDE| 43.0 5.8 6.0  17 |6.33 70  41 -0.73  3 302 -5.59 19 211|295 26   83 124 65   94| 77 GS              
 2007 04 07 09:51:51.62   2.916   95.700 PDE| 20.0 6.0 1.2  18 |1.07 62  43  0.23  4 305 -1.31 28 213|292 17   76 126 73   94| 65 GS              
 2007 04 27 08:02:49.65   5.359   94.635 PDE| 37.0 5.9 9.3  17 |1.02 65  38 -0.18  2 133 -0.84 25 224|320 20   97 132 70   87| 65 GS              
 2007 09 29 05:32:42.01   2.915   95.533 PDE| 19.0 5.6 3.3  17 |3.61 63  42 -0.78  2 308 -2.83 26 217|303 18   83 129 72   92| 57 GS              
 2007 09 29 05:37: 7.26   2.900   95.523 PDE| 20.0 5.7 5.0  17 |5.21 67  46 -0.37  0 313 -4.82 22 223|312 23   88 134 67   91| 86 GS              
 2007 10 04 12:40:31.13   2.543   92.903 PDE| 10.0 6.2 2.3  18 |2.36  7  65 -0.15 82 237 -2.21  0 335|200 86    6 110 84  176| 87 GS              
 2007 11 22 23:02:12.96   4.743   95.060 PDE| 43.0 5.8 6.2  17 |6.70 72   7 -1.26 10 136 -5.44 12 229|334 33  110 130 59   77| 62 GS              
 2007 12 22 12:26:17.47   2.087   96.806 PDE| 19.0 5.8 7.2  17 |7.42 62  41 -0.35  1 308 -7.07 27 218|305 17   86 129 73   91| 91 GS              
 2008 01 05 20:01:55.08   5.477   94.685 PDE| 41.0 5.3 9.9  16 |1.02 66  25 -0.06 12 145 -0.96 19 240|350 28  118 140 66   76| 88 GS              
 2008 02 20 08:08:30.52   2.768   95.964 PDE|                  |     55  40                    35 220|130 80   90 310 10   90|    GS              
 2008 03 15 14:43:26.50   2.708   94.596 PDE| 16.0 5.9 9.0  17 |0.71 73  67  0.31  6 315 -1.02 14 223|305 31   77 139 60   97| 39 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 05 13 10:29:19.34   4.676   95.089 PDE| 42.0 5.4 1.8  17 |1.94 75  28 -0.45  0 120 -1.50 14 210|302 31   91 121 59   89| 54 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 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 12 21 13:47:52.36   4.833   95.040 PDE| 35.0 5.3 1.1  17 |1.13 52   6 -0.05 28 141 -1.08 22 244| 16 34  149 132 73   60| 91 GS              
 2009 12 09 21:29: 2.89   2.759   95.910 PDE| 19.0 5.9 8.0  17 |7.48 63  44  1.02  3 308 -8.49 26 216|299 19   80 129 72   93| 76 GS              
 2010 05 09 05:59:41.62   3.748   96.018 PDE| 56.0 7.2 8.3  19 |9.32 62  51 -2.81  8 158 -6.51 25 253|  3 21  116 156 71   81| 40 GS              
 2010 05 11 12:17:47.06   3.498   95.845 PDE| 30.0 5.3 1.3  17 |1.34 68  25 -0.05 18 175 -1.29  9 268| 20 39  121 163 58   68| 93 GS              
 2010 06 03 09:24:15.57   4.778   95.785 PDE| 74.0 5.4 1.4  17 |1.37 46  20  0.07 43 187 -1.44  6 283|161 65   41  51 54  148| 90 GS              

Latest USGS Fast Moment Tensor Solutions

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