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Earthquake Hazards Program

Magnitude 6.6 SANTA CRUZ ISLANDS REGION

Saturday, July 19, 2008 at 09:27:01 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
---------------------------------------------------------------------------------------------------------------------------------------
 2005 02 08 14:48:21.97 -14.252  167.259 PDE|191.0 6.7 1.5  19 |1.55 74 198 -0.17 15   2 -1.38  4  93|199 43  112 349 51   71| 78 GS              
 2005 03 06 01:39: 6.87 -11.062  163.207 PDE| 12.0 5.9 8.4  17 |6.73  3 107  3.25 61  12 -9.98 29 198|238 68  -20 336 72 -156| 35 GS              
 2005 03 06 04:39:59.43 -11.045  163.045 PDE| 25.0 6.1 2.1  18 |2.07  7 299  0.03 76  60 -2.09 12 208|344 77 -177 253 87  -13| 97 GS              
 2005 03 30 12:00:34.54 -10.246  161.315 PDE| 70.0 5.6 3.1  17 |2.59 18 148  1.10 66 285 -3.68 15  53|190 66  178 281 88   24| 40 GS              
 2005 06 30 13:48:27.42 -10.931  162.400 PDE| 18.0 5.5 2.6  17 |2.43 27 178  0.26 11 274 -2.69 60  24|243 20 -123  98 73  -78| 81 GS              
 2005 12 14 06:45:41.94 -14.596  167.928 PDE|  7.0 5.5 2.4  17 |2.84 87 288 -0.89  1 173 -1.94  2  83|172 43   88 354 47   92| 37 GS              
 2006 03 07 06:28:55.05 -14.805  167.368 PDE|133.0 6.2 2.5  18 |2.54 50 158 -0.03 39 352 -2.50  7 257|312 51   36 197 63  135| 98 GS              
 2006 04 17 23:49:56.87 -12.475  166.508 PDE| 23.0 6.0 1.1  18 |1.10 75  47  0.01  3 150 -1.11 15 241|335 31   97 148 60   86| 98 GS              
 2006 07 06 15:11:36.72 -10.483  165.117 PDE| 58.0 5.7 5.3  17 |5.32 71 323 -0.07 12 194 -5.25 14 101|175 33   67  21 60  104| 97 GS              
 2007 01 23 17:16:20.88 -13.100  167.054 PDE|182.0 5.8 7.2  17 |7.36 61 174 -0.39 29 357 -6.97  1 266|330 51   51 202 53  128| 89 GS              
 2007 04 21 17:20:31.93 -13.838  166.843 PDE| 32.0 5.9 9.7  17 |9.58 88  29  0.26  2 171 -9.83  1 261|352 44   92 169 46   88| 95 GS              
 2007 04 25 13:34:14.23 -14.285  166.863 PDE| 55.0 6.3 4.1  18 |3.99 63 151  0.21 20 286 -4.20 17  23|141 33  130 277 65   68| 90 GS              
 2007 06 05 09:33:42.31 -14.838  166.785 PDE| 23.0 5.6 3.5  17 |3.52 74  28  0.05 13 174 -3.57  8 266| 11 38  111 165 55   74| 97 GS              
 2007 06 22 17:32:44.74 -11.597  166.312 PDE| 35.0 5.5 2.2  17 |2.16 81 355 -0.01  8 178 -2.15  0  88|169 45   78   6 46  102| 99 GS              
 2007 08 12 12:05:19.85 -11.378  166.273 PDE| 35.0 6.0 1.2  18 |1.17 79 347  0.12 11 169 -1.29  0  79|158 46   74 360 46  105| 81 GS              
 2007 09 02 01:05:18.15 -11.610  165.762 PDE|                  |     65  55                    25 235|145 70   90 325 20   90|    GS              
 2007 09 24 11:55: 6.26 -11.774  166.182 PDE| 20.0 5.4 1.8  17 |1.85 61  52 -0.01 16 175 -1.83 23 272| 32 26  130 169 70   73| 99 GS              
 2007 11 10 16:11:24.51 -11.547  166.279 PDE| 39.0 5.7 4.3  17 |4.24 74 329  0.22 14 176 -4.46  6  84|  7 53  108 159 40   68| 90 GS              
 2007 11 27 11:49:58.01 -10.950  162.149 PDE| 16.0 6.4 5.3  18 |5.23 52 101  0.23 27 329 -5.46 23 226|275 32   31 158 74  119| 92 GS              
 2007 12 28 04:11:19.78 -13.618  166.566 PDE| 20.0 5.5 2.2  17 |1.92 86 162  0.49  3 350 -2.42  0 260|347 45   86 173 46   94| 60 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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