Historic USGS Moment Tensor Solutions
Magnitude 5.8 TONGA
Monday, May 28, 2012 at 21:47:11 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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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 15 23:30:19.30 -19.826 -178.239 PDE|597.0 5.6 3.2 17 |3.30 34 136 -0.16 4 43 -3.15 55 307|246 11 -67 43 79 -94| 90 GS
2009 08 16 22:03: 9.24 -17.936 -179.399 PDE|631.0 5.5 2.4 17 |2.44 20 172 0.01 40 64 -2.46 43 282|308 43 -20 53 76 -132| 99 GS
2009 10 02 01:07:39.26 -16.335 -173.471 PDE| 5.0 6.0 1.4 18 |1.25 14 228 0.34 27 326 -1.59 58 113|160 65 -60 287 39 -137| 57 GS
2009 10 04 09:10:31.61 -16.231 -173.240 PDE| 23.0 5.4 1.7 17 |1.77 52 278 -0.21 7 19 -1.55 36 115| 18 82 82 242 12 133| 76 GS
2009 10 04 17:09:53.16 -16.352 -173.255 PDE| 25.0 5.3 1.2 17 |1.33 56 267 -0.31 6 167 -1.03 32 73|349 78 97 140 14 62| 53 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 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 11 22 07:48:20.61 -17.794 -178.425 PDE|536.0 6.4 4.3 18 |4.25 28 156 0.08 25 51 -4.33 50 287|293 29 -26 46 78 -116| 96 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 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
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
2010 08 16 19:35:49.00 -20.799 -178.826 PDE|596.0 6.2 2.7 18 |2.34 11 189 0.65 25 94 -3.00 61 301| 79 61 -119 308 40 -48| 57 GS
Latest USGS Fast Moment Tensor Solutions
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
