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Earthquake Hazards Program

Magnitude 6.3 OFF EAST COAST OF HONSHU, JAPAN

Saturday, December 20, 2008 at 10:29:23 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
---------------------------------------------------------------------------------------------------------------------------------------
 2005 08 16 02:46:28.40  38.276  142.039 PDE| 36.0 7.0 4.7  19 |4.67 69 303  0.00  3 205 -4.67 21 114|199 24   82  27 66   93|100 GS              
 2005 08 24 10:14:47.55  38.480  143.154 PDE|  6.0 5.7 4.6  17 |4.64 57 282 -0.02  0 192 -4.62 33 102|192 12   90  12 78   90| 99 GS              
 2005 08 24 10:15:28.19  38.564  142.987 PDE|  5.0 6.1 1.9  18 |1.90 55 300  0.03  2  32 -1.93 35 124|224 10  101  32 80   88| 97 GS              
 2005 08 30 18:10:45.46  38.481  143.175 PDE|  7.0 6.1 1.9  18 |1.93 53 309  0.01  5 212 -1.93 37 119|183  9   60  33 82   95| 99 GS              
 2005 10 19 11:44:42.79  36.405  140.839 PDE| 29.0 6.3 3.1  18 |3.12 62 302 -0.07  5 203 -3.05 27 110|188 18   74  24 73   95| 96 GS              
 2005 11 14 21:38:51.42  38.107  144.896 PDE| 24.0 6.8 2.2  19 |2.19 11 111  0.01  8  20 -2.20 76 253|212 35  -75  14 56 -100| 99 GS              
 2005 11 15 20:20:45.79  33.336  141.351 PDE| 24.0 5.7 4.5  17 |4.12 82  85  0.74  1 349 -4.87  8 258|347 37   88 169 53   91| 70 GS              
 2005 12 02 13:13: 9.52  38.089  142.122 PDE| 27.0 6.4 5.3  18 |5.17 58 288  0.22  7  29 -5.39 31 123|235 15  117  27 77   83| 92 GS              
 2005 12 16 18:32:16.42  38.506  141.900 PDE| 32.0 5.9 1.0  18 |1.08 59 309 -0.08 11 200 -1.00 29 104|166 19   55  23 75  101| 85 GS              
 2006 01 18 14:25:27.59  37.774  142.131 PDE|  6.0 5.7 4.2  17 |4.59 48 120 -0.80 13  16 -3.79 39 275|307 14   21 197 85  103| 65 GS              
 2006 02 03 04:37:36.36  36.156  141.449 PDE| 23.0 5.7 5.1  17 |5.01 57 276  0.19 11  24 -5.19 30 120|241 18  128  21 76   79| 93 GS              
 2006 04 20 17:50:40.45  34.858  139.207 PDE| 25.0 5.6 2.7  17 |2.55 25  36  0.29 63 241 -2.83 10 131|176 65   11  81 80  155| 80 GS              
 2006 06 16 17:10:40.30  40.349  143.712 PDE| 16.0 5.5 2.1  17 |2.00 50 305  0.19  6 208 -2.18 39 113|158  8   40  28 85   96| 83 GS              
 2006 10 10 23:58: 4.00  37.197  142.664 PDE|  3.0 6.0 1.3  18 |1.28 50 306  0.07  7 208 -1.34 39 113|157  9   38  29 85   97| 90 GS              
 2007 01 15 18:17:59.25  34.892  138.640 PDE|163.0 5.9 8.5  17 |8.28 28  46  0.40 43 167 -8.68 33 295| 83 43 -176 349 87  -47| 91 GS              
 2007 07 16 01:13:22.37  37.535  138.446 PDE|  8.0 6.5 6.3  18 |6.32 85 272 -0.07  3  44 -6.24  4 134|228 42   95  41 49   86| 98 GS              
 2007 07 16 06:37:40.43  37.502  138.467 PDE| 10.0 5.6 3.2  17 |3.19 74  96 -0.06 13 242 -3.13  8 334| 80 38  112 233 55   74| 96 GS              
 2007 11 26 13:51:39.80  37.392  141.586 PDE| 29.0 5.8 6.8  17 |7.03 62 290 -0.58  2  25 -6.45 27 116| 25 73   87 214 17   99| 83 GS              
 2007 12 25 14:04:34.73  38.503  142.026 PDE| 30.0 6.0 1.2  18 |1.11 61 310  0.11  8 205 -1.22 26 110| 28 72   99 181 20   65| 82 GS              
 2008 04 16 19:19:36.27  39.028  140.005 PDE|161.0 5.8 6.3  17 |6.73 45 299 -1.05  7 201 -5.68 43 104| 22 89   97 118  7    7| 69 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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