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Earthquake Hazards Program

Magnitude 7.9 EASTERN SICHUAN, CHINA

Monday, May 12, 2008 at 06:28:01 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 04 15 20:34: 8.93  29.987   99.195 PDE|  7.0 6.3 3.5  18 |3.70  3   8 -0.33 15  99 -3.37 75 266| 83 44 -111 291 50  -71| 82 GS              
 1989 04 25 02:13:20.83  30.048   99.419 PDE|  7.0 6.1 1.8  18 |1.92 12 338 -0.24 21  73 -1.68 65 221| 43 38 -126 266 60  -65| 75 GS              
 1989 05 03 05:53: 1.17  30.091   99.475 PDE|                  |     14 166                    37  65|111 75  -38 212 54 -161|    GS              
 1989 05 03 15:41:30.88  30.053   99.499 PDE|  6.0 5.8 5.4  17 |6.61  8 350 -2.38 48 251 -4.23 41  87|120 56  -27 225 68 -143| 28 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              
 1996 02 03 11:14:20.12  27.291  100.276 PDE|  9.0 6.1 2.1  18 |2.17  8  78 -0.06  9 347 -2.11 78 208|179 38  -75 340 53 -101| 94 GS              
 1996 02 04 16:58: 5.97  27.041  100.299 PDE|  8.0 5.4 1.8  17 |1.76  8 264  0.01  7 355 -1.77 79 127|345 37 -102 180 54  -81| 99 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              
 2002 08 08 11:42: 5.07  30.916   99.927 PDE|  8.0 5.2 7.2  16 |7.24  1 165 -0.04  2 255 -7.19 88  46|253 44  -93  77 46  -87| 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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