Historic USGS Moment Tensor Solutions

Magnitude 4.8 LA RIOJA, ARGENTINA
Thursday, January 31, 2013 at 05:30:18 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
---------------------------------------------------------------------------------------------------------------------------------------
 2004 03 17 16:49:45.56 -32.010  -66.699 PDE| 22.0 5.4 1.8  17 |1.81 29   7  0.00 57 158 -1.81 13 269| 44 60  167 141 79   31|100 GS              
 2004 08 27 00:43:54.54 -27.420  -70.805 PDE| 30.0 5.8 6.8  17 |6.54 55 260  0.49 10   5 -7.03 33 102|226 15  132   3 79   79| 86 GS              
 2004 09 07 11:53: 6.11 -28.573  -65.840 PDE| 23.0 6.3 4.2  18 |4.13 64 207  0.20 26  17 -4.33  4 109|224 47  127 356 54   57| 91 GS              
 2004 11 12 06:36:16.76 -26.705  -63.319 PDE|573.0 6.1 1.8  18 |1.83 18 262  0.00 11 168 -1.84 69  47| 10 29  -66 163 64 -103|100 GS              
 2006 09 12 13:30:55.66 -28.944  -68.898 PDE|112.0 6.0 1.2  18 |1.12 24 237  0.06  8 331 -1.18 65  78|311 22 -111 154 69  -81| 90 GS              
 2006 09 17 09:34:13.58 -31.733  -67.145 PDE|139.0 6.2 2.5  18 |2.37 26  89  0.27 35 199 -2.65 44 330|130 37 -163  26 80  -55| 80 GS              
 2006 09 22 02:32:25.64 -26.868  -63.149 PDE|594.0 6.0 1.2  18 |1.12 16 253  0.08 14 158 -1.20 68  30|  2 31  -63 151 63 -106| 87 GS              
 2006 09 24 21:08:49.50 -32.228  -67.687 PDE|141.0 5.7 4.8  17 |4.75 10  50  0.00 38 148 -4.75 51 308|104 48 -145 349 65  -48|100 GS              
 2006 11 13 01:26:35.87 -26.052  -63.283 PDE|573.0 6.8 1.8  19 |1.86 34 246 -0.21  5 339 -1.66 56  76|316 12 -113 160 79  -85| 77 GS              
 2008 03 10 09:43: 1.52 -28.337  -69.294 PDE|109.0 5.6 3.1  17 |3.22  4 283 -0.20  6 193 -3.01 82  46|188 49  -98  20 41  -80| 88 GS              
 2008 08 21 09:32:57.56 -25.254  -68.697 PDE|101.0 5.4 1.4  17 |1.29 13  80  0.19  3 349 -1.48 76 243|176 32  -83 347 58  -95| 74 GS              
 2008 09 03 11:25:14.45 -26.736  -63.225 PDE|567.0 6.3 3.6  18 |3.67 29 253 -0.09 18 152 -3.57 54  33|147 77 -110  25 23  -35| 95 GS              
 2009 03 11 13:06:53.54 -31.885  -69.189 PDE| 21.0 5.3 1.2  17 |0.99 62 164  0.28 27 341 -1.27  0  72|318 52   54 188 50  127| 56 GS              
 2009 04 03 17:54:50.35 -27.842  -66.593 PDE|170.0 5.7 3.8  17 |3.96 23  52 -0.29 31 307 -3.67 49 172|186 35  -27 298 75 -122| 85 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              
 2009 08 12 18:00:52.69 -27.893  -66.672 PDE|172.0 5.5 2.5  17 |2.67  3  41 -0.41 29 309 -2.25 60 137|158 49  -50 286 55 -126| 69 GS              
 2010 01 30 05:50: 9.30 -28.227  -70.698 PDE| 44.0 5.3 1.3  17 |1.38 61  54 -0.15 15 174 -1.24 23 271| 31 26  129 169 70   73| 78 GS              
 2010 03 26 14:52: 7.23 -27.953  -70.821 PDE| 46.0 6.3 3.8  18 |3.41 79 197  0.75  9 344 -4.16  5  75|337 51   78 176 40  104| 64 GS              
 2010 04 09 22:23: 2.98 -28.559  -68.124 PDE|115.0 5.8 6.9  17 |7.27  0 244 -0.88 21 334 -6.39 68 154|175 49  -60 314 49 -120| 76 GS              
 2010 04 10 15:06:34.07 -25.680  -70.667 PDE| 43.0 5.5 2.2  17 |2.21 37  87 -0.08 20 340 -2.14 45 228|238 21  -12 339 86 -111| 93 GS              

Latest USGS Fast Moment Tensor Solutions

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