Historic USGS Moment Tensor Solutions
Magnitude 4.8 TONGA
Thursday, May 19, 2011 at 06:23:03 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 04 14 23:29:33.35 -16.308 -177.732 PDE| 1.0 5.9 8.0 17 |8.95 38 267 -2.28 38 136 -6.66 27 21|322 83 129 60 40 11| 49 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 04 20 20:02:27.20 -15.165 -173.724 PDE| 33.0 5.4 1.8 17 |1.80 45 203 -0.05 18 93 -1.75 38 348|275 86 109 15 19 11| 94 GS
2009 05 13 21:31:17.98 -15.750 -173.490 PDE| 85.0 5.7 5.3 17 |4.05 26 277 1.99 3 9 -6.03 63 105|190 72 -87 0 19 -100| 34 GS
2009 05 17 06:23: 3.54 -16.825 -173.491 PDE| 67.0 5.6 2.9 17 |2.77 20 213 0.27 27 314 -3.04 55 92|145 70 -61 267 35 -144| 82 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 30 14:51:32.89 -15.223 -172.571 PDE| 7.0 6.5 6.3 18 |6.99 9 211 -1.81 4 120 -5.17 79 3|117 54 -96 307 36 -82| 48 GS
2009 10 01 06:13:33.31 -15.387 -173.252 PDE| 11.0 5.7 4.0 17 |4.27 70 226 -0.50 1 132 -3.78 19 41|313 65 92 129 26 86| 77 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 19 07:41:38.24 -15.437 -172.976 PDE| 10.0 5.8 5.4 17 |5.81 26 32 -0.86 0 122 -4.95 63 212|122 18 -90 302 72 -90| 70 GS
2009 10 19 22:49:38.41 -15.360 -172.264 PDE| | 15 216 38 114|160 75 -40 262 52 -161| GS
2009 11 01 21:28:58.94 -15.505 -173.753 PDE|108.0 5.8 5.9 17 |6.36 44 250 -1.08 18 359 -5.28 39 105|358 87 72 260 18 171| 66 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 25 22:04:26.98 -15.963 -173.059 PDE| 47.0 5.6 2.8 17 |2.67 41 198 0.16 38 334 -2.84 24 85|326 80 51 224 41 164| 89 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
Latest USGS Fast Moment Tensor Solutions
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
