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Earthquake Hazards Program

Magnitude 3.2 CENTRAL CALIFORNIA

Friday, July 20, 2007 at 15:20:37 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
---------------------------------------------------------------------------------------------------------------------------------------
 1980 05 25 16:33:44.70  37.600 -118.840 PDE|  9.0 6.1 1.8  18 |2.12  7 237 -0.63 55 137 -1.50 34 331|  9 62  -21 109 72 -150| 41 GS              
 1980 05 27 14:50:57.10  37.475 -118.812 PDE|  7.0 6.0 1.2  18 |1.40 11 248 -0.42 77 104 -0.98  8 339| 24 77    2 293 88  167| 40 GS              
 1983 05 02 23:42:37.76  36.219 -120.317 PDE| 11.0 6.4 4.7  18 |4.35 63 224  0.71  7 121 -5.07 26  28|102 20   70 303 72   97| 72 GS              
 1983 07 22 02:39:53.74  36.228 -120.416 PDE|  4.0 6.0 1.2  18 |1.21 59  61 -0.07 22 289 -1.14 21 190|247 31   44 118 69  113| 88 GS              
 1986 07 21 14:42:26.60  37.537 -118.447 PDE|  4.0 6.2 2.8  18 |2.91 11  84 -0.24 62 195 -2.67 25 349|129 64 -169  34 80  -26| 84 GS              
 1993 05 17 23:20:49.22  37.171 -117.775 PDE|  8.0 6.1 1.6  18 |1.61 10 116  0.00 19 210 -1.61 69   1|185 39 -121  43 57  -67|100 GS              
 1994 09 12 12:23:43.25  38.819 -119.652 PDE|  6.0 6.0 1.4  18 |1.45 16  93 -0.16 63 217 -1.29 21 356|135 63 -176  43 87  -27| 78 GS              
 1999 05 15 13:22:10.65  37.529 -118.817 PDE| 16.0 5.6 2.7  17 |2.68  9  63  0.01 77 288 -2.69  9 154|198 77    0 108 90  167| 99 GS              
 1999 08 01 16:06:22.00  37.390 -117.080 PDE|  6.0 5.6 3.6  17 |3.66  2 320 -0.05 32 229 -3.61 58  52| 78 51  -48 202 55 -130| 97 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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