Historic USGS Moment Tensor Solutions
Magnitude 5.2 SOUTH OF TONGA
Wednesday, May 16, 2012 at 01:28:21 UTC
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
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2008 12 18 20:57:39.45 -23.495 -179.996 PDE|541.0 5.4 1.8 17 |1.16 42 94 0.89 13 197 -2.04 44 301|113 14 -174 17 89 -76| 13 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 18 21:53:45.16 -27.424 -176.330 PDE| 39.0 6.9 2.8 19 |3.04 37 262 -0.62 46 46 -2.43 18 157|293 49 164 34 78 42| 59 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 04 18 17:49:39.54 -20.613 -178.482 PDE|563.0 5.7 4.9 17 |3.77 44 120 1.79 0 211 -5.56 45 301|148 1 -153 31 90 -90| 36 GS
2009 06 07 12:46:30.27 -22.037 -179.583 PDE|590.0 5.5 2.0 17 |1.75 39 133 0.48 1 224 -2.23 50 317|204 6 -111 45 85 -88| 57 GS
2009 06 08 04:33:19.11 -22.234 -179.613 PDE|600.0 5.5 2.3 17 |1.72 30 63 0.88 30 174 -2.61 43 298|359 83 -59 100 32 -166| 33 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 08 18 21:20:47.55 -26.064 -178.391 PDE|269.0 6.2 2.3 18 |2.17 12 99 0.30 46 202 -2.46 41 358|148 52 -156 43 72 -40| 76 GS
2009 10 25 07:53:52.15 -23.091 -179.205 PDE|410.0 5.9 9.8 17 |0.78 56 357 0.32 30 205 -1.10 13 107| 42 65 124 164 41 40| 42 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 11 12 02:13:37.58 -20.979 -178.662 PDE|565.0 5.8 5.9 17 |5.75 32 150 0.23 20 46 -5.98 49 289|291 23 -23 43 81 -111| 92 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
2010 02 07 22:28:20.66 -23.319 -179.877 PDE|545.0 5.8 7.4 17 |6.01 36 23 2.30 32 140 -8.30 37 259|321 89 -58 52 32 -179| 45 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
Latest USGS Fast Moment Tensor Solutions
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
