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Earthquake Hazards Program

Historical USGS Moment Tensor Solutions

Magnitude 5.2 OFFSHORE NORTHERN CALIFORNIA
2007 May 09 07:50:05 UTC

Preliminary Earthquake Report
from the Advanced National Seismic System (ANSS)

Historical Moment Tensor Solutions

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
---------------------------------------------------------------------------------------------------------------------------------------
 1989 10 18 00:04:15.24  37.036 -121.883 PDE|  8.0 6.9 2.3  19 |2.28 52 108  0.09 38 286 -2.36  1  17|139 56  138 255 57   43| 92 GS              
 1991 07 13 02:50:14.69  42.182 -125.641 PDE|  6.0 6.8 1.9  19 |1.80 10  87  0.18 80 253 -1.98  2 356|131 81  175 222 85    9| 82 GS              
 1991 08 16 22:26:17.21  41.697 -125.385 PDE| 13.0 6.4 3.8  18 |3.81  8  82 -0.02 81 287 -3.79  4 173|218 82    3 127 87  171| 99 GS              
 1991 08 17 19:29:40.00  40.235 -124.348 PDE|  6.0 6.3 3.3  18 |3.39 56  40 -0.09 28 184 -3.30 17 283| 48 38  141 171 68   59| 95 GS              
 1991 08 17 22:17:14.68  41.821 -125.397 PDE| 12.0 6.9 2.3  19 |2.33  1  93  0.00 77 185 -2.33 13   3|138 81 -171  47 82   -9|100 GS              
 1992 04 25 18:06: 4.21  40.368 -124.316 PDE|  6.0 7.1 5.1  19 |5.41 56  62 -0.71 19 182 -4.70 28 282| 51 25  142 177 75   70| 74 GS              
 1992 04 26 07:41:39.73  40.415 -124.603 PDE|                  |      8  80                     1 170|215 83    5 124 85  173|    GS              
 1992 04 26 11:18:25.79  40.378 -124.575 PDE| 26.0 6.7 1.2  19 |1.07  8 267  0.33 82  98 -1.40  2 357| 42 84    4 312 86  174| 53 GS              
 1993 09 21 03:28:55.42  42.314 -122.012 PDE|  6.0 6.0 1.0  18 |1.01 21  60 -0.02  8 327 -0.99 68 217|164 25  -71 323 66  -99| 96 GS              
 1994 09 01 15:15:53.08  40.402 -125.680 PDE| 15.0 7.1 4.4  19 |4.32  1  50  0.23 85 302 -4.55  5 140|185 86   -2 275 88 -176| 90 GS              
 1994 10 27 17:45:58.00  43.515 -127.427 PDE| 16.0 6.3 3.3  18 |3.13 22  61  0.40 52 299 -3.53 29 164|201 53   -5 294 86 -142| 77 GS              
 1995 02 19 04:03:16.19  40.556 -125.539 PDE| 16.0 6.4 5.1  18 |4.49  4 263  1.30 75 157 -5.79 14 354| 38 77   -7 130 83 -167| 55 GS              
 1996 07 24 20:15:44.79  41.784 -125.911 PDE| 26.0 5.9 8.1  17 |7.86  6  95  0.51 83 258 -8.37  2   4|139 84  177 230 87    6| 88 GS              
 1998 11 27 00:43:48.00  40.667 -125.384 PDE| 16.0 5.6 3.0  17 |3.03 15  78  0.02 62 200 -3.05 22 342|122 63 -175  29 85  -27| 99 GS              
 2000 01 20 09:41:47.34  43.649 -127.257 PDE| 14.0 6.1 1.5  18 |1.36  4  76  0.18 79 188 -1.55 10 345|121 80 -176  30 86  -10| 77 GS              
 2000 03 16 15:19:56.00  40.386 -125.279 PDE| 18.0 5.9 6.9  17 |7.05 15  65 -0.35 73 219 -6.69  7 334|109 74  174 200 84   16| 90 GS              
 2002 07 09 18:40:35.63  43.519 -127.169 PDE| 14.0 5.9 8.6  17 |7.96  6  77  1.30 79 202 -9.26  9 346|122 79 -178  31 88  -11| 72 GS              
 2002 09 02 13:39:18.22  43.916 -128.243 PDE| 23.0 5.7 4.6  17 |4.43  5 107  0.28 83 325 -4.71  4 198|243 83    1 152 89  173| 88 GS              
 2005 06 15 02:50:54.19  41.292 -125.953 PDE| 21.0 7.1 5.9  19 |5.74  9  86  0.27 80 235 -6.01  5 355|130 80  178 221 88   10| 91 GS              
 2005 06 17 06:21:42.59  40.773 -126.574 PDE| 13.0 6.6 9.9  18 |1.01 14  68 -0.05 75 221 -0.96  7 337|112 76  175 203 85   15| 90 GS              

Latest USGS Fast Moment Tensor Solutions

 


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