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Earthquake Hazards Program

Magnitude 4.4 NIAS REGION, INDONESIA

Monday, August 25, 2008 at 22:29:02 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
---------------------------------------------------------------------------------------------------------------------------------------
 2007 09 19 07:27:50.70  -2.746  100.892 PDE| 35.0 5.9 7.7  17 |7.99 62   9 -0.55 17 136 -7.44 20 233|352 29  129 129 68   71| 86 GS              
 2007 09 20 08:31:14.49  -1.999  100.141 PDE|                  |     55  45                    35 225|135 80   90 315 10   90|    GS              
 2007 09 23 14:13:43.90  -2.135   99.935 PDE| 28.0 5.5 2.0  17 |2.05 66   5 -0.10 14 132 -1.95 18 226|339 30  120 125 65   74| 90 GS              
 2007 09 23 22:23:57.29  -3.682  100.846 PDE| 22.0 5.4 1.5  17 |1.58 56 169 -0.10 20  44 -1.48 24 304|  2 28  140 129 73   68| 87 GS              
 2007 09 24 08:15:25.18  -3.155  100.362 PDE| 20.0 5.6 3.3  17 |3.25 60  10  0.01 19 138 -3.27 21 236|357 29  132 131 69   69| 99 GS              
 2007 09 26 15:43: 1.44  -1.787   99.488 PDE| 25.0 6.0 1.3  18 |1.47 58  24 -0.63 19 148 -0.84 24 247| 12 27  137 142 72   70| 14 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 10 00:19:16.79  -1.735   99.480 PDE| 26.0 5.9 8.3  17 |8.54 63  30 -0.53  3 293 -8.01 26 201|283 19   79 115 72   94| 88 GS              
 2007 10 11 20:38:35.32  -3.900  100.978 PDE| 19.0 5.3 1.3  17 |1.37 69  22 -0.06  2 118 -1.30 20 209|304 25   95 118 66   88| 91 GS              
 2007 10 12 00:31:29.10  -3.285  100.509 PDE| 15.0 5.6 3.0  17 |2.90 71  19  0.11  1 112 -3.01 18 203|295 27   93 112 64   89| 93 GS              
 2007 10 21 14:24:20.09  -3.591  100.803 PDE| 18.0 5.4 1.7  17 |1.72 68  11  0.04  7 121 -1.76 20 213|317 26  107 118 65   82| 95 GS              
 2007 10 21 16:25:35.04  -3.592  100.859 PDE| 19.0 5.5 2.3  17 |2.24 63 352  0.18 20 129 -2.42 16 225|344 33  129 119 65   67| 85 GS              
 2007 10 24 21:02:50.61  -3.899  101.020 PDE|                  |     65  20                    25 200|110 70   90 290 20   90|    GS              
 2007 11 10 23:19:43.32  -3.277  100.531 PDE| 19.0 5.7 3.8  17 |4.19 63  21 -0.89 11 136 -3.30 23 231|344 24  120 132 69   78| 58 GS              
 2007 11 25 17:41:38.04  -2.238  100.413 PDE| 32.0 6.0 1.2  18 |1.40  3 230 -0.51 27 138 -0.89 62 326|116 54 -125 346 48  -52| 27 GS              
 2007 12 01 01:44:31.95   1.981   97.883 PDE| 41.0 5.9 9.1  17 |1.02 67  12 -0.27 15 144 -0.75 15 238|351 32  120 136 63   72| 47 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 04 07:29:18.30  -2.782  101.032 PDE|                  |     65  40                    25 220|130 70   90 310 20   90|    GS              
 2008 01 22 17:14:57.95   1.011   97.442 PDE| 21.0 6.2 2.4  18 |2.71 62  26 -0.66 16 151 -2.05 21 248|  5 28  127 145 68   72| 51 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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