Historic USGS Moment Tensor Solutions
Magnitude 6.0 TONGA
Monday, January 31, 2011 at 06:03:26 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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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 07 03 03:02:37.56 -23.370 -179.778 PDE|564.0 6.2 2.4 18 |2.76 24 356 -0.83 16 258 -1.92 59 139|253 72 -107 117 25 -49| 40 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 19 20:38:58.76 -22.168 -179.717 PDE|579.0 5.8 5.5 17 |5.44 58 98 0.16 5 198 -5.60 31 291| 40 15 113 197 76 84| 94 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 18 20:57:39.45 -23.495 -179.996 PDE|541.0 5.4 1.8 17 |1.16 42 94 0.89 13 197 -2.04 44 301|113 14 -174 17 89 -76| 13 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 02 20 01:46:17.93 -18.365 -178.749 PDE|514.0 5.6 2.8 17 |2.76 22 334 0.00 24 75 -2.75 55 207| 27 31 -143 264 72 -64|100 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 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 06 07 12:46:30.27 -22.037 -179.583 PDE|590.0 5.5 2.0 17 |1.75 39 133 0.48 1 224 -2.23 50 317|204 6 -111 45 85 -88| 57 GS
2009 06 08 04:33:19.11 -22.234 -179.613 PDE|600.0 5.5 2.3 17 |1.72 30 63 0.88 30 174 -2.61 43 298|359 83 -59 100 32 -166| 33 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
Latest USGS Fast Moment Tensor Solutions
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
