Magnitude 5.3 TONGA
Saturday, July 28, 2007 at 08:53:14 UTC
Historic USGS Moment Tensor Solutions
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 12 18 17:15:26.43 -16.052 -174.785 PDE| 21.0 5.7 4.8 17 |4.87 1 254 -0.10 87 4 -4.77 3 164|299 87 -179 209 89 -3| 96 GS
2005 02 10 07:10:35.61 -15.111 -173.745 PDE| 46.0 5.5 2.1 17 |2.18 30 231 -0.11 26 125 -2.08 48 2| 11 28 -21 120 80 -116| 90 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 18 10:27: 6.41 -15.318 -173.240 PDE| 21.0 6.0 1.4 18 |1.32 61 293 0.08 21 161 -1.39 20 63|122 31 47 350 68 112| 88 GS
2005 08 06 09:56:13.54 -19.614 -175.850 PDE|217.0 5.9 1.0 18 |1.00 30 116 0.01 8 22 -1.02 59 279|228 17 -63 20 75 -98| 98 GS
2005 08 07 11:35:26.14 -14.449 -177.293 PDE| 22.0 6.0 1.1 18 |1.17 12 316 -0.07 76 171 -1.11 8 48| 92 76 3 2 87 166| 88 GS
2005 08 07 14:41: 0.98 -14.435 -177.242 PDE| 23.0 5.8 6.5 17 |6.51 10 312 0.01 74 185 -6.51 12 44| 88 74 -2 178 88 -164|100 GS
2005 09 04 12:13:38.65 -17.108 -176.775 PDE| 19.0 5.6 3.5 17 |3.65 12 92 -0.23 76 245 -3.42 6 1|136 77 176 227 86 13| 87 GS
2005 09 12 21:15: 3.56 -17.417 -177.320 PDE|408.0 5.7 4.7 17 |4.68 39 132 0.01 11 32 -4.70 49 289|276 13 -26 31 85 -101|100 GS
2005 09 22 00:07:21.34 -16.674 -172.655 PDE| 8.0 5.8 6.9 17 |6.83 49 281 0.06 1 12 -6.89 41 103|211 4 109 12 86 89| 98 GS
2005 10 30 13:08:18.89 -16.527 -172.776 PDE| 6.0 5.7 3.8 17 |3.82 53 284 -0.08 10 28 -3.74 35 125|254 14 137 26 81 80| 96 GS
2005 11 09 08:00:27.99 -15.271 -173.637 PDE| 31.0 5.4 1.5 17 |1.70 45 180 -0.35 14 284 -1.36 42 27|187 14 173 284 88 76| 59 GS
2005 12 13 03:16: 6.38 -15.265 -178.571 PDE| 26.0 6.7 1.3 19 |1.28 9 310 -0.03 78 172 -1.25 8 41| 85 78 1 355 89 168| 95 GS
2006 04 30 15:08:41.10 -15.436 -173.228 PDE| 19.0 5.5 1.9 17 |1.92 88 56 -0.04 2 223 -1.88 0 313| 45 45 92 222 45 88| 96 GS
2006 05 05 06:16:20.29 -19.833 -174.652 PDE| 26.0 5.9 8.1 17 |8.10 15 311 -0.06 66 184 -8.04 18 46| 88 67 -2 179 88 -157| 99 GS
2006 06 09 05:58:27.77 -17.531 -178.747 PDE|569.0 6.1 1.9 18 |1.54 6 146 0.62 52 48 -2.17 38 241|277 59 -24 20 69 -147| 43 GS
2006 06 09 10:40:41.78 -17.980 -178.503 PDE|601.0 5.5 2.2 17 |2.28 33 6 -0.08 54 159 -2.20 13 267| 42 57 164 140 77 34| 93 GS
2006 07 07 07:26:12.53 -15.244 -173.610 PDE| 34.0 6.0 1.1 18 |1.07 47 195 0.04 0 104 -1.11 43 14| 96 2 81 284 88 90| 93 GS
2006 07 23 20:50:51.27 -17.930 -178.608 PDE|588.0 5.7 4.8 17 |4.01 20 13 1.53 45 124 -5.54 39 266| 57 47 -164 316 79 -44| 45 GS
2006 09 28 06:22: 9.73 -16.592 -172.033 PDE| 36.0 6.7 1.3 19 |1.47 2 294 -0.30 6 25 -1.17 84 186| 19 43 -98 210 47 -82| 59 GS
Latest USGS Fast Moment Tensor Solutions
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
