Historic USGS Moment Tensor Solutions
Magnitude 7.9 TONGA
Wednesday, May 03, 2006 at 15:26:40 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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2004 01 25 11:43:11.87 -16.830 -174.196 PDE|139.0 6.7 1.1 19 |1.18 59 251 -0.13 21 21 -1.06 22 120|244 30 137 13 70 67| 78 GS
2004 01 29 20:10:41.38 -20.815 -174.163 PDE| 4.0 5.7 4.5 17 |4.46 49 289 0.12 12 34 -4.58 38 133|279 13 156 32 85 78| 95 GS
2004 02 12 13:47:32.62 -19.226 -173.518 PDE| 7.0 5.8 6.4 17 |6.51 58 284 -0.14 21 51 -6.36 24 151|276 28 138 44 72 68| 96 GS
2004 02 25 16:52:31.84 -20.667 -175.033 PDE| 46.0 5.8 6.4 17 |6.36 64 131 0.01 18 359 -6.37 18 263|326 31 54 187 65 110|100 GS
2004 03 14 16:30:42.32 -17.267 -172.316 PDE| 20.0 6.1 1.7 18 |1.79 22 254 -0.17 2 345 -1.62 68 80|339 23 -96 166 67 -88| 81 GS
2004 03 18 20:04:24.83 -23.759 -176.002 PDE| 18.0 6.0 9.8 17 |9.87 64 273 -0.15 14 34 -9.72 22 130|245 27 124 28 68 74| 97 GS
2004 04 03 13:29:32.29 -20.535 -174.060 PDE| 6.0 5.8 5.9 17 |5.80 45 297 0.12 8 35 -5.92 44 133|304 8 179 35 90 82| 96 GS
2004 04 05 08:57: 2.49 -23.525 -175.450 PDE| 5.0 5.8 6.1 17 |6.01 45 255 0.12 20 7 -6.13 38 114|266 21 169 6 86 69| 96 GS
2004 04 05 20:34:21.93 -20.436 -173.936 PDE| 4.0 6.2 2.5 18 |2.51 44 281 0.07 13 25 -2.58 43 127|292 14 177 24 89 77| 95 GS
2004 04 14 01:33: 5.30 -17.848 -174.559 PDE|133.0 6.0 1.0 18 |0.96 60 310 0.06 7 209 -1.03 29 115|186 17 67 30 75 97| 88 GS
2004 04 24 07:44:11.30 -21.899 -174.822 PDE| 4.0 6.1 1.8 18 |1.84 52 286 0.00 16 36 -1.84 34 137|275 18 150 34 81 74|100 GS
2004 04 28 11:45:17.12 -16.494 -173.041 PDE| 47.0 5.7 4.6 17 |4.24 10 215 0.63 34 312 -4.87 54 110|271 45 -141 151 63 -52| 74 GS
2004 05 03 19:33:16.38 -18.044 -172.550 PDE| 27.0 5.7 4.2 17 |4.24 41 42 -0.08 44 188 -4.16 18 296| 71 47 161 174 76 44| 96 GS
2004 06 04 02:38:28.00 -16.052 -173.854 PDE| 66.0 5.4 1.6 17 |1.61 53 134 0.09 9 235 -1.70 36 332|101 12 136 234 81 81| 89 GS
2004 06 14 20:06:13.29 -22.087 -174.937 PDE| 5.0 5.8 5.0 17 |4.73 49 282 0.56 13 27 -5.29 38 127|273 14 156 26 84 77| 79 GS
2004 11 10 10:35:34.01 -21.192 -176.103 PDE| 9.0 5.6 3.1 17 |3.13 78 170 -0.02 12 354 -3.11 1 264|342 45 73 186 47 106| 99 GS
2004 12 18 17:15:26.43 -16.052 -174.785 PDE| 21.0 5.8 4.8 17 |4.87 1 254 -0.10 87 4 -4.77 3 164|299 87 -179 209 89 -3| 96 GS
2005 03 19 15:02:42.67 -20.407 -174.337 PDE| 30.0 6.0 1.3 18 |1.28 68 219 -0.01 21 17 -1.27 8 110|222 42 122 2 56 65| 98 GS
2005 04 26 18:56:30.45 -19.106 -176.532 PDE| 21.0 5.6 3.0 17 |3.18 11 274 -0.43 78 76 -2.75 4 183|318 79 174 49 85 11| 73 GS
2005 05 14 10:02:44.89 -22.696 -176.650 PDE|111.0 5.8 5.1 17 |4.29 65 125 1.67 6 22 -5.95 24 289| 6 21 73 204 70 96| 44 GS
Latest USGS Fast Moment Tensor Solutions
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
