Historic USGS Moment Tensor Solutions

Magnitude 6.8 OFFSHORE BIO-BIO, CHILE
Friday, February 11, 2011 at 20:05:30 UTC

Historic Moment Tensor Solutions World Location
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
---------------------------------------------------------------------------------------------------------------------------------------
 1998 07 29 07:14:24.08 -32.312  -71.286 PDE| 54.0 6.4 5.0  18 |5.11 71 203 -0.20 11 328 -4.91 15  61|167 31  112 322 61   77| 92 GS              
 1998 12 14 16:25:24.98 -38.214  -71.033 PDE|136.0 5.9 1.0  18 |1.06 35  98 -0.10 32 342 -0.96 39 222|247 32   -4 341 88 -122| 81 GS              
 2000 06 16 07:55:35.39 -33.877  -70.088 PDE|114.0 6.4 4.5  18 |4.71 22 116 -0.42  6  24 -4.29 67 278|218 24  -74  21 67  -97| 82 GS              
 2000 12 20 11:23:54.10 -39.008  -74.662 PDE| 21.0 6.1 2.1  18 |2.04  3 298  0.18 17  28 -2.22 73 199| 11 45 -114 223 50  -68| 84 GS              
 2001 01 07 10:18:20.23 -33.443  -72.233 PDE| 22.0 5.9 9.0  17 |8.40 58  69  1.24 23 203 -9.65 20 302| 66 32  138 193 69   65| 74 GS              
 2001 03 03 11:58:13.35 -38.766  -74.555 PDE|  6.0 5.8 6.7  17 |6.63 12 104  0.09 21   9 -6.72 66 221|218 38  -55 356 60 -114| 97 GS              
 2001 03 15 13:02:42.11 -32.321  -71.492 PDE| 35.0 5.9 9.8  17 |1.03 59 325 -0.10 27 174 -0.93 13  77|136 40   45   9 63  121| 81 GS              
 2001 04 09 09:00:57.17 -32.668  -73.109 PDE|  6.0 6.6 1.1  19 |1.09 20 142  0.00  3 233 -1.09 69 330|227 25  -97  54 66  -87|100 GS              
 2001 07 24 17:42:41.50 -32.855  -71.582 PDE| 40.0 5.3 1.2  17 |0.89 84  11  0.54  4 149 -1.44  4 239|333 41   96 145 49   84| 25 GS              
 2004 05 03 04:36:50.04 -37.695  -73.406 PDE| 26.0 6.5 8.4  18 |8.68 59  43 -0.63 16 162 -8.04 26 260| 22 24  133 157 73   73| 85 GS              
 2004 06 15 11:16:31.50 -38.854  -73.155 PDE| 41.0 6.1 1.7  18 |1.56 20 137  0.25 69 305 -1.81  4  45|179 73  168 273 79   17| 72 GS              
 2004 08 28 13:41:25.60 -35.173  -70.525 PDE| 16.0 6.5 6.7  18 |6.75  3 342 -0.01 87 177 -6.75  1  72|117 87    2  27 88  177|100 GS              
 2005 04 13 09:25:27.60 -33.142  -72.850 PDE| 19.0 5.3 1.2  17 |1.18  3 119  0.02 28  27 -1.20 62 215|235 49  -51   5 54 -125| 97 GS              
 2006 12 31 14:55: 2.49 -37.940  -71.114 PDE| 18.0 5.6 3.5  17 |3.56  5 327 -0.05 77  81 -3.52 11 236| 12 78 -175 281 86  -12| 97 GS              
 2007 06 28 19:25:21.37 -32.004  -71.340 PDE| 66.0 5.7 4.3  17 |4.40 28 102 -0.27  6   8 -4.13 61 267|209 18  -69   7 74  -96| 88 GS              
 2007 12 15 18:22:27.16 -32.689  -71.695 PDE| 25.0 5.9 7.6  17 |6.32 72  98  2.12  3 356 -8.44 16 265|350 28   83 179 62   94| 50 GS              
 2008 11 23 21:19:40.00 -36.322  -73.009 PDE| 21.0 5.3 1.1  17 |1.00 68 103  0.25 10 346 -1.24 19 252|326 27   67 171 65  101| 60 GS              
 2008 12 18 21:19:28.38 -32.458  -71.726 PDE| 19.0 6.0 1.4  18 |1.27 66  80  0.23  1 174 -1.51 23 265|360 22   95 174 68   88| 70 GS              
 2008 12 19 09:36: 4.90 -32.458  -71.949 PDE| 19.0 5.6 3.2  17 |3.50 66 125 -0.64 15 356 -2.86 17 261|328 31   58 184 64  108| 63 GS              
 2009 05 08 13:44:53.50 -32.057  -69.678 PDE|110.0 5.4 1.5  17 |1.57 22 108 -0.09 14 204 -1.47 62 325|172 26 -126  31 69  -74| 89 GS              

Latest USGS Fast Moment Tensor Solutions

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