Magnitude 4.4 TONGA
Saturday, April 11, 2009 at 03:48:12 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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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
2006 02 03 16:00:12.46 -16.361 -173.747 PDE| 83.0 5.5 2.6 17 |2.46 5 68 0.32 31 161 -2.78 59 330|129 49 -133 4 57 -52| 77 GS
2006 02 16 14:54:38.96 -15.980 -173.020 PDE| 24.0 5.8 6.1 17 |6.11 89 185 -0.01 0 67 -6.11 1 337| 66 44 89 247 46 91|100 GS
2006 02 26 04:18:42.11 -15.283 -176.239 PDE| 32.0 6.0 1.3 18 |1.33 14 331 -0.08 69 101 -1.25 16 237| 14 69 -179 284 89 -21| 88 GS
2006 03 05 17:12:52.07 -15.608 -174.548 PDE| 27.0 5.6 3.4 17 |3.43 6 296 -0.11 84 98 -3.32 2 206|341 84 177 72 87 6| 94 GS
2006 03 17 19:46:11.51 -15.325 -175.732 PDE| 30.0 5.6 3.1 17 |3.27 10 314 -0.32 80 139 -2.95 1 44| 90 82 7 359 83 172| 80 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 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 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
2006 12 02 09:52:13.21 -17.774 -174.314 PDE|133.0 5.8 5.8 17 |4.86 21 360 1.78 55 236 -6.64 27 101|139 55 -4 231 87 -145| 46 GS
2007 01 08 20:52:20.64 -18.580 -177.847 PDE|410.0 6.3 3.6 18 |3.53 41 249 0.07 48 81 -3.61 6 344| 35 57 28 289 67 144| 96 GS
2007 04 05 03:25: 7.54 -16.999 -176.941 PDE| 18.0 5.7 4.2 17 |4.18 7 274 0.00 82 116 -4.18 3 5| 50 83 3 319 87 173|100 GS
2007 06 23 21:52: 3.08 -16.917 -177.069 PDE| 14.0 5.6 3.0 17 |3.03 13 266 -0.05 75 115 -2.98 7 357| 42 76 4 311 86 166| 97 GS
2007 07 06 17:40:49.64 -16.418 -172.644 PDE| 4.0 5.7 4.6 17 |4.91 34 202 -0.68 23 308 -4.23 47 65|238 24 -162 131 83 -67| 72 GS
2007 07 28 08:53:13.50 -15.898 -175.288 PDE|325.0 5.3 1.3 17 |1.15 4 157 0.21 14 66 -1.36 75 262|261 43 -69 54 50 -108| 69 GS
2007 08 26 12:37:31.19 -17.457 -174.335 PDE| | 40 105 50 285| 15 85 -90 195 5 -90| GS
2007 08 27 17:11:59.63 -17.311 -172.249 PDE| | 25 300 65 120|210 70 -90 30 20 -90| GS
2007 11 02 12:40:10.21 -15.376 -173.165 PDE| 14.0 5.6 3.4 17 |2.22 70 301 1.65 5 196 -3.87 18 104| 19 64 96 185 27 78| 15 GS
2007 11 02 13:30:44.02 -15.593 -173.066 PDE| 14.0 5.7 4.3 17 |3.10 66 306 1.78 7 197 -4.89 21 104| 21 67 98 180 24 71| 27 GS
Latest USGS Fast Moment Tensor Solutions
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
