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Earthquake Hazards Program

Magnitude 3.1 PUERTO RICO REGION

Wednesday, July 11, 2007 at 01:29:20 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
---------------------------------------------------------------------------------------------------------------------------------------
 1984 06 24 11:17:11.92  17.984  -69.338 PDE| 16.0 6.9 2.7  19 |2.70  5 315 -0.01 85 152 -2.69  1  45| 90 86    2 360 88  176| 99 GS              
 1989 06 18 14:06:28.83  17.761  -68.811 PDE| 70.0 5.6 3.4  17 |3.39  6  82  0.06 59 182 -3.45 31 348|129 64 -161  31 73  -27| 97 GS              
 1998 12 08 02:32:57.82  18.819  -64.046 PDE| 18.0 5.4 1.4  17 |1.40 16 168  0.02 22 265 -1.42 62  44|229 35 -131  96 65  -65| 97 GS              
 2001 10 16 15:27:27.70  19.355  -64.886 PDE|  5.0 5.6 3.0  17 |3.22 42 249 -0.40  9 151 -2.83 47  52| 46  9  -14 151 88  -99| 75 GS              
 2001 10 17 11:29: 9.92  19.354  -64.932 PDE|  4.0 6.0 1.1  18 |1.19 47 244 -0.12  2 151 -1.07 43  59|110  3   48 331 88   92| 80 GS              
 2003 09 22 04:45:36.24  19.777  -70.673 PDE| 10.0 6.4 4.8  18 |4.81 40 224  0.01 11 125 -4.81 48  23| 15 11  -19 124 86 -101|100 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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