Historical USGS Moment Tensor Solutions
Magnitude 6.4 COSTA RICA
Saturday, November 20, 2004 at 08:07:22 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
The most recent (20 or less) USGS Moment Tensor Solutions are shown.
Data from the Source Parameter Database.
Latest USGS Fast Moment Tensor Solutions
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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1996 09 18 17:34:20.67 11.435 -85.471 PDE|191.0 5.6 2.9 17 |2.71 68 48 0.47 1 140 -3.18 22 230|321 23 91 140 67 89| 70 GS
1996 11 17 19:17:41.98 11.081 -86.052 PDE| 23.0 6.0 9.5 17 |9.36 58 6 0.34 26 149 -9.70 17 248| 11 37 138 137 67 61| 93 GS
1997 04 01 15:11:49.00 7.774 -82.401 PDE| 17.0 6.0 1.3 18 |1.31 3 325 0.00 79 221 -1.31 10 55|100 81 -5 191 85 -171|100 GS
1998 10 09 11:54:36.17 11.321 -86.451 PDE| 21.0 6.0 1.1 18 |1.12 41 4 0.05 45 154 -1.17 16 260| 33 49 159 137 74 43| 91 GS
1998 11 17 03:57:58.99 7.666 -82.780 PDE| 35.0 5.9 7.7 17 |7.64 7 310 0.07 81 163 -7.72 5 41| 86 82 2 356 88 172| 98 GS
1999 08 20 10:02:21.10 9.044 -84.159 PDE| 25.0 6.8 1.6 19 |1.63 67 23 0.00 4 122 -1.63 23 214|312 23 101 121 68 86|100 GS
2000 07 21 01:53:35.81 9.416 -85.329 PDE| 4.0 6.4 5.2 18 |5.02 31 19 0.26 4 112 -5.28 58 209| 95 14 -107 293 76 -86| 90 GS
2000 12 12 05:26:45.94 6.015 -82.679 PDE| 17.0 6.1 1.7 18 |1.56 15 319 0.20 75 157 -1.76 5 50| 96 76 7 4 83 166| 77 GS
2001 03 18 15:43:21.31 12.540 -87.399 PDE| 34.0 5.7 3.7 17 |3.14 75 333 1.04 15 145 -4.18 2 236|341 45 112 132 49 70| 50 GS
2001 08 25 02:02: 2.50 7.633 -82.766 PDE| 26.0 6.1 1.6 18 |1.51 3 302 0.15 86 168 -1.66 3 32| 77 86 0 167 90 -176| 82 GS
2001 11 09 00:47:55.02 9.643 -82.300 PDE| 6.0 6.1 1.4 18 |1.40 61 350 0.06 22 128 -1.46 18 226|346 34 134 118 66 65| 92 GS
2002 06 16 02:46:14.03 8.784 -83.992 PDE| 8.0 6.4 3.8 18 |3.74 56 29 0.19 7 289 -3.93 33 194|260 14 61 110 78 97| 90 GS
2002 07 31 00:16:44.61 7.929 -82.793 PDE| 12.0 6.5 6.3 18 |6.47 9 123 -0.41 77 345 -6.06 8 215|259 77 1 169 89 167| 87 GS
2002 08 03 02:39: 1.84 8.264 -82.822 PDE| 17.0 5.7 4.2 17 |3.90 31 343 0.60 58 176 -4.50 6 76|124 64 19 25 73 153| 73 GS
2002 08 04 00:21:42.88 11.373 -87.312 PDE| 23.0 5.5 1.7 17 |1.75 8 22 -0.02 11 114 -1.73 76 255|100 38 -108 302 54 -77| 98 GS
2002 08 07 23:59:14.54 7.851 -82.895 PDE| 9.0 6.0 1.2 18 |1.23 13 149 -0.10 77 334 -1.13 1 239|285 80 8 193 82 170| 84 GS
2003 02 01 13:47:46.82 7.469 -81.815 PDE| 16.0 5.6 3.1 17 |3.10 21 6 -0.06 44 118 -3.04 38 258| 48 46 -166 308 80 -45| 96 GS
2003 04 11 06:12:54.58 7.033 -82.353 PDE| 20.0 6.2 2.2 18 |2.01 12 321 0.36 71 191 -2.37 14 54| 97 71 -1 188 89 -161| 70 GS
2003 09 04 23:40:11.81 7.884 -82.203 PDE| 22.0 5.7 4.3 17 |4.04 12 310 0.61 77 155 -4.65 5 41| 86 78 5 355 85 168| 74 GS
2003 12 25 07:11:11.59 8.416 -82.824 PDE| 35.0 6.5 6.7 18 |5.90 4 325 1.70 85 186 -7.60 4 55|100 85 0 10 90 175| 55 GS
