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Earthquake Hazards Program

Historical USGS Moment Tensor Solutions

Magnitude 6.6 NEAR THE COAST OF CENTRAL CHILE
2004 May 03 04:36:50 UTC

Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver

Historical Moment Tensor Solutions

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
---------------------------------------------------------------------------------------------------------------------------------------
 1983 05 09 10:58:25.40 -40.930  -74.909 PDE| 10.0 6.0 1.0  18 |1.04 11 125 -0.03 19  31 -1.00 67 243|238 38  -57  18 59 -113| 94 GS              
 1985 03 25 05:14:35.14 -34.254  -72.185 PDE| 23.0 6.5 6.1  18 |6.07 52 102  0.06 18 348 -6.13 33 246|289 21   29 171 80  108| 98 GS              
 1985 04 09 01:56:59.48 -34.131  -71.618 PDE| 42.0 7.2 6.1  19 |6.46 60  92 -0.74 14 337 -5.71 26 240|301 22   51 161 73  104| 77 GS              
 1985 04 28 08:30:29.05 -39.728  -75.664 PDE|  4.0 6.0 1.0  18 |1.01 21  95  0.05 20 193 -1.06 60 323|153 30 -134  21 69  -68| 91 GS              
 1987 02 03 16:42:41.32 -37.750  -72.893 PDE| 35.0 5.9 8.0  17 |7.49 51 104  1.09 33 322 -8.58 19 219|269 39   31 155 71  125| 75 GS              
 1987 09 13 20:08:51.69 -34.333  -69.971 PDE| 33.0 6.0 1.0  18 |1.03 20   2  0.00 68 153 -1.03 10 268| 44 69  173 136 83   21|100 GS              
 1987 12 30 11:56:19.23 -35.053  -70.797 PDE| 96.0 5.4 1.4  17 |1.45 26 103 -0.02 33 212 -1.43 46 343|146 35 -160  39 79  -57| 97 GS              
 1989 04 13 00:43:11.28 -39.533  -75.002 PDE|  8.0 5.8 5.6  17 |5.50 27  98  0.18  7   4 -5.68 62 262|204 19  -69   2 72  -97| 94 GS              
 1990 04 21 18:54:52.46 -36.985  -73.303 PDE|  5.0 6.3 3.0  18 |3.00 51  94  0.08 11 351 -3.08 37 253|296 13   35 172 83  101| 95 GS              
 1990 05 14 21:34: 4.20 -35.925  -71.415 PDE| 83.0 6.2 2.0  18 |1.98 32 121  0.09 51 340 -2.06 19 224|267 52   11 170 82  142| 91 GS              
 1993 03 17 04:35:58.12 -37.691  -74.939 PDE|                  |     17  70                    73 250|340 62  -90 160 28  -90|    GS              
 1994 10 20 01:15:16.18 -39.187  -70.811 PDE|168.0 6.0 9.7  17 |9.97 46 233 -0.60 20 346 -9.36 37  92|241 21  167 344 85   70| 88 GS              
 1995 09 17 07:25:26.91 -35.561  -74.167 PDE|  9.0 5.5 1.8  17 |1.88  2 319 -0.13 17 229 -1.75 73  55| 66 46  -66 214 49 -113| 86 GS              
 1998 04 01 22:42:56.90 -40.316  -74.874 PDE|  7.0 6.6 8.2  18 |7.90  2 292  0.62  3 202 -8.53 86  54| 26 43  -85 199 47  -95| 85 GS              
 1998 12 14 16:25:24.98 -38.214  -71.033 PDE|136.0 6.0 1.0  18 |1.06 35  98 -0.10 32 342 -0.96 39 222|247 32   -4 341 88 -122| 81 GS              
 1999 08 22 09:35:39.47 -40.509  -74.756 PDE| 26.0 6.2 2.0  18 |1.96 11  55  0.04  9 323 -2.00 76 194|156 35  -75 317 56 -101| 96 GS              
 2000 12 20 11:23:54.10 -39.008  -74.662 PDE| 21.0 6.2 2.1  18 |2.04  3 298  0.18 17  28 -2.22 73 199| 11 45 -114 223 50  -68| 84 GS              
 2001 03 03 11:58:13.35 -38.766  -74.555 PDE|  6.0 5.9 6.7  17 |6.63 12 104  0.09 21   9 -6.72 66 221|218 38  -55 356 60 -114| 97 GS              

Latest USGS Fast Moment Tensor Solutions

 


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