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Earthquake Hazards Program

Magnitude 4.8 NORTHERN MID-ATLANTIC RIDGE

Thursday, September 04, 2008 at 18:47:55 UTC

Historic USGS Moment Tensor Solutions

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
---------------------------------------------------------------------------------------------------------------------------------------
 1996 12 09 11:28:48.61  29.850  -42.855 PDE|  5.0 5.9 8.8  17 |9.31  7  94 -1.01  2 184 -8.30 83 287|182 38  -93   6 52  -88| 78 GS              
 1997 03 23 20:48:48.88  30.984  -41.542 PDE|  4.0 5.8 6.2  17 |6.84 11 156 -1.17 29  60 -5.66 58 265|278 42  -44  43 62 -123| 66 GS              
 2000 10 05 13:39:11.67  31.732  -40.958 PDE| 10.0 5.8 6.2  17 |6.29 13 113 -0.25  0 203 -6.04 77 295|203 32  -91  24 58  -90| 92 GS              
 2001 07 13 19:48:19.24  28.750  -43.437 PDE|  5.0 5.5 2.6  17 |2.65 12  98 -0.08  2   7 -2.57 77 267|191 33  -86   6 57  -93| 94 GS              
 2001 12 13 13:50:46.38  27.042  -44.496 PDE|  5.0 5.6 2.9  17 |3.08  3  83 -0.33 12 173 -2.75 77 341|160 44 -108   4 49  -74| 79 GS              
 2003 06 25 01:38:42.17  28.820  -43.612 PDE| 20.0 5.5 2.2  17 |2.21  4 293 -0.08 30  25 -2.13 59 195|354 49 -132 228 56  -52| 93 GS              
 2003 11 26 19:25: 7.35  28.524  -43.732 PDE| 20.0 5.5 2.2  17 |2.01 17 269  0.29  1 359 -2.30 73  91|358 28  -91 179 62  -89| 75 GS              
 2006 01 20 08:53:52.94  31.066  -41.422 PDE|  4.0 5.6 2.8  17 |2.20 15 146  1.31  8  54 -3.51 73 297|247 31  -74  49 61  -99| 25 GS              
 2006 06 18 18:28: 2.10  33.028  -39.702 PDE|  4.0 5.9 8.1  17 |8.55 19 115 -0.86  2 206 -7.68 71 303|201 26  -96  27 64  -87| 80 GS              
 2007 03 01 23:11:52.07  26.581  -44.594 PDE|  4.0 5.8 5.9  17 |5.87 17  99  0.10 21 196 -5.97 63 333|161 34 -130  26 65  -67| 97 GS              
 2007 10 18 16:13:14.08  30.132  -42.594 PDE|  6.0 5.7 3.8  17 |3.79 13 328 -0.03 72 185 -3.76  9  60| 14 87  163 105 73    3| 98 GS              

Latest USGS Fast Moment Tensor Solutions

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


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