Historic USGS Moment Tensor Solutions

Magnitude 4.6 RYUKYU ISLANDS, JAPAN
Wednesday, February 20, 2013 at 21:23:08 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
---------------------------------------------------------------------------------------------------------------------------------------
 2004 09 23 01:55:23.89  25.075  127.147 PDE| 26.0 5.3 9.5  16 |9.32 77   1  0.44  8 234 -9.76 10 142|223 36   77  59 55  100| 91 GS              
 2004 12 29 13:20:29.28  28.919  130.444 PDE| 33.0 5.6 3.7  17 |3.54 65 303  0.34  5 203 -3.87 25 111|191 21   77  25 70   95| 82 GS              
 2006 08 12 18:39:17.24  28.789  130.016 PDE| 21.0 5.4 1.5  17 |1.49 68 321  0.03  7 214 -1.52 21 122|199 24   73  37 67   98| 96 GS              
 2006 08 31 22:58:25.80  28.798  130.030 PDE| 29.0 5.5 2.5  17 |2.38 76 233  0.22 14  57 -2.60  1 327| 43 46   70 250 48  109| 83 GS              
 2006 11 17 18:03:12.26  28.591  129.895 PDE| 24.0 6.1 1.7  18 |1.64 57 296  0.07 21  62 -1.71 24 163|289 28  140  55 72   68| 92 GS              
 2007 04 20 00:26:40.60  25.722  125.093 PDE|  6.0 6.0 1.4  18 |1.50  7 154 -0.14  9 245 -1.37 79  27|234 39 -104  72 52  -79| 81 GS              
 2007 04 20 01:45:56.11  25.710  125.108 PDE|  7.0 6.2 2.2  18 |2.27  3 164 -0.10 22 255 -2.17 68  67|232 47 -121  93 51  -61| 91 GS              
 2007 04 20 05:23:11.28  25.683  125.244 PDE|  7.0 5.5 1.9  17 |1.99  7 156 -0.15 29 250 -1.84 60  53|216 46 -133  90 58  -55| 85 GS              
 2007 04 20 19:37:58.23  27.471  128.379 PDE| 39.0 5.7 4.6  17 |4.65 74 323  0.00  2 227 -4.65 16 136|224 29   87  48 61   92|100 GS              
 2007 07 31 15:07:35.32  27.343  126.897 PDE| 28.0 5.9 7.6  17 |6.76  4 315  1.70 80 201 -8.46  9  46| 90 81   -3 181 87 -171| 60 GS              
 2007 08 07 00:02:24.20  27.292  126.836 PDE| 26.0 5.9 9.6  17 |0.85  4 319  0.22 80 209 -1.06 10  50| 94 80   -4 185 86 -170| 58 GS              
 2008 07 08 07:42:10.73  27.532  128.334 PDE| 41.0 6.0 1.3  18 |1.26 73 311  0.10  0  43 -1.36 16 133| 43 61   89 224 29   91| 85 GS              
 2009 02 21 00:12:56.04  28.875  130.864 PDE| 14.0 5.3 1.2  17 |1.34  9 315 -0.28 29 220 -1.06 58  60|201 61 -125  76 44  -45| 58 GS              
 2009 03 26 19:19:59.56  27.415  126.702 PDE|150.0 5.9 1.0  18 |1.06 11  80 -0.11 41 181 -0.95 45 338|131 49 -152  22 69  -44| 79 GS              
 2009 07 06 22:35: 4.53  24.874  128.030 PDE|                  |      5 168                    35 262| 40 70 -150 299 62  -23|    GS              
 2009 08 05 00:17:58.82  24.233  125.095 PDE| 22.0 6.1 1.5  18 |1.51 62 288 -0.02 11  41 -1.49 24 137| 37 71   77 251 23  122| 97 GS              
 2009 09 28 19:22:57.14  27.927  127.821 PDE|  3.0 5.8 6.6  17 |6.35 17 145  0.45  8  52 -6.80 70 298|248 29  -73  48 63  -99| 87 GS              
 2010 02 26 20:31:26.97  25.930  128.425 PDE| 25.0 6.9 3.2  19 |3.44 12 315 -0.45 75 166 -2.99  7  47|  1 86  166  92 76    4| 74 GS              
 2010 05 26 08:53: 8.03  25.773  129.944 PDE|  2.0 6.5 6.7  18 |6.51  6 137  0.43 34 231 -6.94 54  38| 75 60  -49 195 49 -139| 88 GS              
 2010 10 04 13:28:38.86  24.270  125.154 PDE| 36.0 6.3 3.4  18 |3.09 53 313  0.62 36 147 -3.71  7  52|351 61  132 109 50   40| 67 GS              

Latest USGS Fast Moment Tensor Solutions

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