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Earthquake Hazards Program

Magnitude 4.9 EASTERN SICHUAN, CHINA

Thursday, May 15, 2008 at 05:27:48 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
---------------------------------------------------------------------------------------------------------------------------------------
 1981 01 23 21:13:51.70  30.927  101.098 PDE|  8.0 6.7 1.3  19 |1.27  5 184 -0.02 84 341 -1.25  2  93|228 85  178 319 88    5| 97 GS              
 1989 09 22 02:25:50.88  31.583  102.433 PDE| 14.0 6.1 1.6  18 |1.73 22 186 -0.18 67  19 -1.55  5 278|325 71   13 230 78  161| 79 GS              
 1990 04 26 09:37:15.04  35.986  100.245 PDE| 10.0 6.1 1.8  18 |1.85 69 285 -0.05 16 147 -1.80 13  54|123 35   61 337 60  108| 95 GS              
 2001 02 23 00:09:23.69  29.513  101.129 PDE| 13.0 5.5 2.4  17 |2.38 13 352 -0.01 31 254 -2.37 55 102|117 42  -39 237 65 -125| 99 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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