Historic USGS Moment Tensor Solutions
Magnitude 4.8 TONGA REGION
Monday, January 09, 2012 at 03:43:33 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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2007 05 27 18:12:34.77 -20.069 -174.519 PDE| 36.0 5.6 3.1 17 |3.19 65 116 -0.17 25 304 -3.02 3 212|279 47 56 144 53 122| 89 GS
2007 10 08 18:37:53.70 -20.706 -177.398 PDE|323.0 5.7 5.2 17 |5.40 26 202 -0.42 2 110 -4.98 63 14|110 72 -93 300 19 -81| 84 GS
2007 12 09 07:28:20.82 -25.996 -177.514 PDE|180.0 7.7 4.2 20 |3.77 60 167 0.83 0 258 -4.60 29 348| 80 16 92 258 74 90| 64 GS
2008 04 15 17:24:56.48 -18.696 -175.959 PDE| 11.0 5.6 3.0 17 |2.81 21 232 0.32 61 96 -3.13 18 329|281 88 151 12 61 2| 80 GS
2008 06 26 21:19:15.58 -20.768 -173.342 PDE| 42.0 6.2 2.5 18 |2.33 68 38 0.30 18 188 -2.63 9 281| 33 39 121 176 58 68| 77 GS
2008 09 01 04:00:39.43 -25.387 -177.636 PDE|164.0 6.0 1.3 18 |1.10 44 119 0.27 14 223 -1.37 42 326|130 14 177 223 89 76| 61 GS
2008 10 09 17:49:58.60 -21.030 -174.420 PDE| 9.0 5.7 4.0 17 |4.24 73 273 -0.66 6 25 -3.59 14 116| 22 60 83 216 31 102| 69 GS
2008 10 19 05:10:33.91 -21.863 -173.819 PDE| 35.0 6.8 2.2 19 |2.21 77 37 -0.01 12 200 -2.20 3 290|190 50 74 34 43 108| 99 GS
2008 10 19 12:55: 5.69 -21.972 -173.700 PDE| 12.0 5.5 2.5 17 |2.80 11 307 -0.69 7 215 -2.12 76 91|210 57 -99 47 34 -76| 51 GS
2008 10 22 12:55:57.39 -18.414 -175.351 PDE|241.0 6.3 4.0 18 |4.01 27 127 0.04 9 32 -4.04 60 284|241 20 -60 30 73 -100| 98 GS
2008 11 29 05:59:16.58 -18.701 -177.716 PDE|386.0 5.9 8.9 17 |9.32 46 235 -0.84 31 105 -8.47 26 357|293 79 123 39 34 20| 82 GS
2008 12 31 14:02:27.44 -25.378 -177.612 PDE|149.0 5.3 1.2 17 |1.30 22 122 -0.11 5 215 -1.19 66 318|202 23 -104 37 68 -84| 83 GS
2009 02 11 09:31: 4.47 -20.775 -177.298 PDE| 14.0 5.5 2.3 17 |2.54 3 351 -0.77 86 162 -1.77 0 261| 36 87 178 126 88 3| 39 GS
2009 03 19 18:17:40.47 -23.043 -174.660 PDE| | 59 168 15 284|215 65 120 341 38 43| 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 11 02 10:47:13.24 -24.121 -175.173 PDE| 4.0 6.2 2.2 18 |2.06 10 289 0.28 4 20 -2.34 78 134|204 56 -84 13 35 -99| 76 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
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
Latest USGS Fast Moment Tensor Solutions
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
