Historic USGS Moment Tensor Solutions

Magnitude 5.7 TONGA
Saturday, May 05, 2012 at 20:23:31 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
---------------------------------------------------------------------------------------------------------------------------------------
 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 07 19 22:39:52.70 -17.337 -177.312 PDE|384.0 6.3 3.4  18 |3.26 16 211  0.31 16 306 -3.58 65  79|135 64  -71 278 32 -123| 83 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 05 03:41:43.22 -17.321 -174.362 PDE|178.0 5.7 3.8  17 |3.62 31   0  0.27 39 239 -3.89 34 115|238 89 -130 147 40   -2| 86 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              
 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 03 19 18:17:40.47 -23.043 -174.660 PDE|                  |     59 168                    15 284|215 65  120 341 38   43|    GS              
 2009 07 30 20:05:35.65 -20.849 -174.256 PDE|                  |     50 300                    40 120| 30 85   90 210  5   90|    GS              
 2009 11 02 10:47:13.24 -24.121 -175.173 PDE|  4.0 6.2 2.2  18 |2.06 10 289  0.28  4  20 -2.34 78 134|204 56  -84  13 35  -99| 76 GS              
 2009 12 11 12:33:39.04 -21.056 -174.448 PDE| 11.0 5.6 2.8  17 |2.21 80  47  0.89  8 209 -3.09  2 299| 39 43  103 202 48   78| 42 GS              
 2009 12 26 21:23:27.30 -17.299 -176.941 PDE| 17.0 5.5 2.1  17 |1.85 12 280  0.40 75  74 -2.25  6 189| 55 85   13 324 77  175| 64 GS              
 2010 02 13 02:34:28.86 -21.902 -174.767 PDE| 11.0 6.1 1.6  18 |1.30 67 255  0.47 18  35 -1.76 13 130| 25 61   69 243 35  123| 47 GS              
 2010 02 22 05:08:49.03 -21.511 -173.778 PDE| 29.0 5.7 3.9  17 |3.29 70  67  1.03  7 177 -4.31 18 269| 11 28  105 174 64   82| 52 GS              
 2010 03 18 09:14: 5.86 -23.318 -177.177 PDE|153.0 5.6 3.7  17 |4.24 21 115 -1.60 13 210 -2.65 64 329|183 26 -120  36 67  -76| 25 GS              
 2010 04 10 16:54:24.25 -20.114 -176.223 PDE|273.0 6.0 1.1  18 |1.03 50 301  0.14 17 188 -1.17 33  86| 12 81  108 128 20   28| 76 GS              
 2010 05 15 15:18:13.23 -23.590 -176.646 PDE| 68.0 5.7 3.9  17 |4.02 51  90 -0.19  1 357 -3.83 38 266|342  7   74 178 84   92| 91 GS              
 2010 06 22 22:16:20.59 -19.201 -177.553 PDE|567.0 5.8 6.1  17 |4.60 17 328  2.29 35  72 -6.89 48 216| 18 41 -152 266 72  -52| 34 GS              

Latest USGS Fast Moment Tensor Solutions

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