Magnitude 4.4 CENTRAL MID-ATLANTIC RIDGE
Friday, July 06, 2007 at 19:10:19 UTC
Historic USGS Moment Tensor Solutions
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
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1984 11 01 04:48:50.27 8.185 -38.794 PDE| 25.0 7.1 5.0 19 |4.84 6 85 0.36 77 204 -5.20 11 354|130 78 -177 39 87 -12| 86 GS
1985 01 10 17:47:56.08 10.797 -43.446 PDE| 15.0 6.1 1.7 18 |1.77 11 38 -0.05 77 183 -1.71 7 306| 82 77 177 172 88 13| 94 GS
1988 05 20 14:58:43.53 8.116 -38.413 PDE| 36.0 6.1 1.5 18 |1.21 3 231 0.62 76 129 -1.83 13 322| 5 79 -7 97 83 -168| 32 GS
1991 02 10 12:42:37.60 8.745 -39.854 PDE| 21.0 6.1 1.9 18 |2.02 0 317 -0.29 85 50 -1.73 5 227| 2 87 -177 272 87 -3| 71 GS
1996 06 02 02:52: 9.55 10.797 -42.254 PDE| 13.0 6.8 2.1 19 |2.00 2 231 0.26 81 334 -2.26 9 140|276 82 -175 185 85 -8| 77 GS
1999 12 17 04:03:27.89 8.069 -38.026 PDE| 26.0 5.5 2.5 17 |2.46 17 270 0.12 16 5 -2.58 66 136|337 31 -122 194 64 -72| 91 GS
2004 01 16 18:07:55.66 7.641 -37.704 PDE| 13.0 6.1 1.9 18 |1.73 17 61 0.40 67 198 -2.13 15 327|104 67 178 194 88 23| 62 GS
2004 03 08 23:39:11.34 10.480 -43.919 PDE| 18.0 6.0 1.1 18 |1.02 5 50 0.10 77 162 -1.13 12 319| 95 78 -175 4 85 -12| 82 GS
2006 04 10 06:26:13.30 7.511 -36.930 PDE| 22.0 5.6 3.5 17 |3.53 15 47 0.01 69 182 -3.53 14 313| 90 69 179 180 89 21| 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
