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Earthquake Hazards Program

Magnitude 3.9 NORTHERN ALASKA

Thursday, March 20, 2008 at 17:01:48 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
---------------------------------------------------------------------------------------------------------------------------------------
 1985 03 09 14:08: 4.38  66.239 -150.029 PDE| 14.0 6.1 1.8  18 |1.56  1  84  0.54 84 180 -2.10  6 354|129 85 -176  39 86   -5| 49 GS              
 1995 10 06 05:23:18.54  65.170 -148.565 PDE| 21.0 6.0 1.2  18 |1.28  3 237 -0.11 64 333 -1.17 25 145|284 70 -164 188 75  -21| 83 GS              
 2000 02 03 10:24:59.03  65.015 -154.238 PDE| 14.0 5.6 3.6  17 |3.68  8 207 -0.17 81  48 -3.52  3 297|342 82    4 251 86  172| 91 GS              
 2006 02 05 08:17: 1.37  66.297 -142.686 PDE| 24.0 5.5 2.5  17 |2.22  1  94  0.52 77 187 -2.74 13   4|140 81 -171  49 82   -9| 62 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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