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Earthquake Hazards Program

Magnitude 7.9 KEPULAUAN MENTAWAI REGION, INDONESIA

Wednesday, September 12, 2007 at 23:49:04 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
---------------------------------------------------------------------------------------------------------------------------------------
 2004 08 02 02:36:54.94  -5.471  102.623 PDE| 40.0 5.5 2.5  17 |3.03 17  20 -0.96  3 290 -2.07 73 191|115 28  -84 288 62  -93| 37 GS              
 2004 10 28 08:32: 7.00  -4.910  103.211 PDE| 46.0 5.3 1.3  17 |1.31 64  26 -0.02 26 207 -1.29  0 117|183 50   55  50 51  125| 97 GS              
 2005 02 14 17:06:52.64  -0.127   98.729 PDE| 42.0 5.8 6.1  17 |6.06 41  26  0.04 42 244 -6.09 20 134|179 45   18  76 77  134| 99 GS              
 2005 02 19 14:04:41.28  -5.639  101.607 PDE|  8.0 5.4 1.6  17 |1.51 44  75  0.22 27 315 -1.73 34 205|239 28   13 138 84  117| 75 GS              
 2005 04 01 20:32:37.38   0.323   98.109 PDE| 16.0 5.6 2.7  17 |2.54  3  85  0.21 84 204 -2.76  6 354|130 84 -178  39 88   -6| 85 GS              
 2005 04 03 00:59:21.42   0.368   98.319 PDE| 28.0 6.0 1.1  18 |1.26 57  36 -0.32  5 298 -0.94 33 205|275 13   66 119 78   95| 49 GS              
 2005 04 06 11:20: 9.00  -3.984  102.415 PDE| 49.0 5.6 3.3  17 |3.29 70 350  0.05 19 148 -3.34  7 240|351 41  120 134 55   67| 97 GS              
 2005 04 07 11:46: 4.96   0.607   97.424 PDE|  9.0 5.6 2.8  17 |2.79 68  91  0.08 21 261 -2.87  3 353|104 46  121 243 52   62| 94 GS              
 2005 04 08 01:51:38.70   0.679   97.380 PDE| 20.0 5.7 5.2  17 |5.43 17 279 -0.50 70 129 -4.93  9  12| 56 71    6 324 85  161| 82 GS              
 2005 04 08 05:48:37.88  -0.215   97.731 PDE| 14.0 6.1 1.7  18 |1.73 24 295  0.02 63  82 -1.75 13 199|335 64  172  68 83   26| 98 GS              
 2005 04 10 10:29:11.28  -1.644   99.607 PDE| 26.0 6.5 8.3  18 |7.87 75 271  0.79 10 138 -8.67 11  46|124 35   72 325 57  102| 82 GS              
 2005 04 10 17:24:39.40  -1.591   99.717 PDE|  5.0 6.4 4.5  18 |5.14 42 196 -1.26  6 292 -3.88 47  29|222  7 -160 112 88  -84| 51 GS              
 2005 04 14 11:29:52.55  -1.915   99.951 PDE| 29.0 5.6 3.5  17 |3.59 66  16 -0.17 19 154 -3.42 15 249|  4 34  125 144 63   69| 91 GS              
 2005 04 17 13:43:54.56   0.307   97.663 PDE| 23.0 5.5 2.1  17 |2.08 43  79  0.07 18 331 -2.15 41 225|245 18    4 152 89  108| 93 GS              
 2005 04 25 20:18:20.64   0.364   97.275 PDE|  6.0 5.6 3.2  17 |3.34 43  78 -0.20 21 328 -3.14 40 220|243 21    4 149 89  111| 88 GS              
 2005 05 10 01:09: 5.10  -6.226  103.139 PDE|  8.0 6.2 2.4  18 |2.30 82  19  0.25  4 145 -2.55  6 235|330 39   97 141 51   84| 80 GS              
 2005 05 14 05:05:18.48   0.587   98.459 PDE| 38.0 6.7 1.6  19 |1.57 65  39 -0.02 14 162 -1.55 20 257| 10 28  121 156 66   74| 97 GS              
 2005 09 06 11:00:48.61   0.029   97.604 PDE|  5.0 5.6 2.9  17 |2.94 70 313 -0.10 20 135 -2.85  1  44|115 48   63 333 49  117| 93 GS              
 2006 05 08 09:16:57.09  -4.852  102.346 PDE| 30.0 5.8 5.6  17 |5.93 64  12 -0.75  9 121 -5.18 24 215|324 23  115 118 70   80| 75 GS              
 2006 05 16 15:28:25.92   0.093   97.050 PDE|  6.0 6.8 2.1  19 |2.13 37  43  0.00  6 308 -2.13 52 210|166 10  -52 307 82  -96|100 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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