Historic USGS Moment Tensor Solutions

Magnitude 5.5 CENTRAL MID-ATLANTIC RIDGE
Monday, February 18, 2013 at 04:51:13 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
---------------------------------------------------------------------------------------------------------------------------------------
 1997 07 22 19:10:35.09   4.619  -32.688 PDE|  6.0 5.3 1.0  17 |1.10 11  83 -0.10  4 352 -0.99 78 241|178 34  -83 349 56  -95| 82 GS              
 2000 09 23 02:17:43.98   4.276  -32.607 PDE| 21.0 5.5 2.3  17 |2.37 10 281 -0.17 14  14 -2.21 72 157|354 37 -114 203 57  -73| 86 GS              
 2004 04 19 08:14:11.42   3.614  -32.234 PDE|  6.0 5.6 3.3  17 |3.20 14  89  0.18  5 180 -3.39 75 290|171 31 -100   3 59  -84| 89 GS              
 2005 03 24 07:33:53.04   7.102  -34.120 PDE| 23.0 5.4 1.7  17 |1.62  9  59  0.14 75 182 -1.76 13 327|103 75 -177  12 87  -15| 84 GS              
 2006 04 10 06:26:13.30   7.511  -36.930 PDE| 22.0 5.6 3.5  17 |3.53 15  47  0.01 69 182 -3.53 14 313| 90 69  179 180 89   21| 99 GS              
 2008 05 23 19:35:34.78   7.313  -34.897 PDE|  9.0 6.4 4.5  18 |4.51 18  47  0.03 67 188 -4.54 13 313|181 87   23  90 67  177| 99 GS              
 2008 10 03 05:26:20.91   7.517  -36.758 PDE|  5.0 5.6 2.9  17 |3.13 25  49 -0.44 62 211 -2.70  7 315|185 77   24  90 67  166| 72 GS              
 2010 08 02 03:30: 2.89   7.103  -34.206 PDE|  9.0 5.8 5.7  17 |5.92  1  30 -0.42 88 194 -5.51  0 300|166 89    1  76 89  179| 86 GS              

Latest USGS Fast Moment Tensor Solutions

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