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Earthquake Hazards Program

Historical USGS Moment Tensor Solutions

Magnitude 4.5 NORTHERN CALIFORNIA
2006 October 20 17:00:08 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
---------------------------------------------------------------------------------------------------------------------------------------
 1984 04 24 21:15:19.00  37.320 -121.698 PDE| 16.0 6.5 6.9  18 |6.67  1  97  0.40 87 196 -7.06  3   7|142 87 -178  52 88   -3| 89 GS              
 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 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              
 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              

Latest USGS Fast Moment Tensor Solutions

 


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