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Earthquake Hazards Program

Historical USGS Moment Tensor Solutions

Magnitude 4.4 GREATER LOS ANGELES AREA, CALIF.
2007 August 09 07:58:49 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
---------------------------------------------------------------------------------------------------------------------------------------
 1987 10 01 14:42:20.00  34.060 -118.080 PDE| 17.0 5.9 8.4  17 |8.69 60   4 -0.55  5 265 -8.15 30 172|248 16   72  86 75   95| 87 GS              
 1991 06 28 14:43:54.50  34.262 -118.002 PDE|                  |     43  56                     1 147|201 60   33  93 62  145|    GS              
 1994 01 17 12:30:55.39  34.213 -118.537 PDE| 21.0 6.7 1.2  19 |1.15 76 125  0.04 13 284 -1.19  5  15|119 42  110 274 51   73| 93 GS              
 1994 01 17 23:33:30.69  34.326 -118.698 PDE|  9.0 5.8 6.7  17 |6.77 73 335 -0.10 12 108 -6.67 12 200|306 34  111 100 58   76| 97 GS              
 1995 09 20 23:27:36.27  35.761 -117.639 PDE| 14.0 5.5 2.3  17 |2.27 12 101  0.00 78 292 -2.27  2 192|237 80    7 146 83  170|100 GS              

Latest USGS Fast Moment Tensor Solutions

 


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