Historic USGS Moment Tensor Solutions

Magnitude 6.1 TONGA
Saturday, February 13, 2010 at 02:34:28 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 12:51: 8.66 -21.258 -174.472 PDE| 10.0 5.7 4.2  17 |4.40 77 298 -0.40  0 207 -4.00 13 117|207 32   89  27 58   90| 82 GS              
 2007 01 08 20:52:20.64 -18.580 -177.847 PDE|410.0 6.3 3.6  18 |3.53 41 249  0.07 48  81 -3.61  6 344| 35 57   28 289 67  144| 96 GS              
 2007 02 05 09:55:51.10 -20.609 -175.650 PDE| 22.0 5.7 5.3  17 |5.34 10 264 -0.15 78 109 -5.18  5 354| 39 79    4 309 86  169| 94 GS              
 2007 05 07 20:32:32.33 -21.213 -178.619 PDE|555.0 5.7 4.2  17 |4.26  9 176 -0.07 14  84 -4.20 73 298|283 38  -67  74 55 -107| 97 GS              
 2007 05 27 18:12:34.77 -20.069 -174.519 PDE| 36.0 5.6 3.1  17 |3.19 65 116 -0.17 25 304 -3.02  3 212|279 47   56 144 53  122| 89 GS              
 2007 10 08 18:37:53.70 -20.706 -177.398 PDE|323.0 5.7 5.2  17 |5.40 26 202 -0.42  2 110 -4.98 63  14|110 72  -93 300 19  -81| 84 GS              
 2007 11 19 00:52:12.51 -21.185 -178.752 PDE|545.0 6.3 4.0  18 |4.09 10 181 -0.09 11  89 -4.00 74 311|286 36  -70  81 56 -104| 96 GS              
 2007 12 09 07:28:20.82 -25.996 -177.514 PDE|180.0 7.7 4.2  20 |3.77 60 167  0.83  0 258 -4.60 29 348| 80 16   92 258 74   90| 64 GS              
 2008 04 15 17:24:56.48 -18.696 -175.959 PDE| 11.0 5.6 3.0  17 |2.81 21 232  0.32 61  96 -3.13 18 329|281 88  151  12 61    2| 80 GS              
 2008 06 26 21:19:15.58 -20.768 -173.342 PDE| 42.0 6.2 2.5  18 |2.33 68  38  0.30 18 188 -2.63  9 281| 33 39  121 176 58   68| 77 GS              
 2008 09 01 04:00:39.43 -25.387 -177.636 PDE|164.0 6.0 1.3  18 |1.10 44 119  0.27 14 223 -1.37 42 326|130 14  177 223 89   76| 61 GS              
 2008 10 09 17:49:58.60 -21.030 -174.420 PDE|  9.0 5.7 4.0  17 |4.24 73 273 -0.66  6  25 -3.59 14 116| 22 60   83 216 31  102| 69 GS              
 2008 10 19 05:10:33.91 -21.863 -173.819 PDE| 35.0 6.8 2.2  19 |2.21 77  37 -0.01 12 200 -2.20  3 290|190 50   74  34 43  108| 99 GS              
 2008 10 19 12:55: 5.69 -21.972 -173.700 PDE| 12.0 5.5 2.5  17 |2.80 11 307 -0.69  7 215 -2.12 76  91|210 57  -99  47 34  -76| 51 GS              
 2008 10 22 12:55:57.39 -18.414 -175.351 PDE|241.0 6.3 4.0  18 |4.01 27 127  0.04  9  32 -4.04 60 284|241 20  -60  30 73 -100| 98 GS              
 2008 11 29 05:59:16.58 -18.701 -177.716 PDE|386.0 5.9 8.9  17 |9.32 46 235 -0.84 31 105 -8.47 26 357|293 79  123  39 34   20| 82 GS              
 2008 12 31 14:02:27.44 -25.378 -177.612 PDE|149.0 5.3 1.2  17 |1.30 22 122 -0.11  5 215 -1.19 66 318|202 23 -104  37 68  -84| 83 GS              
 2009 02 11 09:31: 4.47 -20.775 -177.298 PDE| 14.0 5.5 2.3  17 |2.54  3 351 -0.77 86 162 -1.77  0 261| 36 87  178 126 88    3| 39 GS              
 2009 02 20 01:46:17.93 -18.365 -178.749 PDE|514.0 5.6 2.8  17 |2.76 22 334  0.00 24  75 -2.75 55 207| 27 31 -143 264 72  -64|100 GS              
 2009 03 19 18:17:40.47 -23.043 -174.660 PDE|                  |     59 168                    15 284|215 65  120 341 38   43|    GS              

Latest USGS Fast Moment Tensor Solutions

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