Magnitude 4.5 SAIPAN REGION, NORTHERN MARIANA ISLANDS
Friday, April 17, 2009 at 04:43:22 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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2004 02 22 23:17:15.16 18.505 145.387 PDE|189.0 5.7 4.2 17 |3.66 62 177 1.15 27 341 -4.81 6 74|191 45 129 322 57 58| 52 GS
2004 03 23 21:20:39.67 18.774 144.735 PDE| 24.0 5.4 1.8 17 |1.78 15 292 -0.06 19 27 -1.73 65 166|357 34 -125 217 63 -68| 93 GS
2004 03 23 21:57: 7.48 18.788 144.764 PDE| 22.0 5.7 4.7 17 |4.69 17 293 -0.03 3 24 -4.66 73 123| 19 28 -96 206 62 -87| 99 GS
2004 05 13 17:34:36.27 11.743 144.247 PDE| 20.0 5.8 5.6 17 |5.89 2 340 -0.64 86 92 -5.25 4 250| 25 86 -178 295 88 -4| 78 GS
2004 10 04 19:20:34.98 14.546 146.993 PDE| 8.0 5.9 8.5 17 |8.16 9 287 0.59 4 18 -8.75 80 134| 12 37 -97 201 54 -85| 87 GS
2004 11 03 08:31:43.73 14.474 146.842 PDE| 21.0 5.8 7.1 17 |7.35 24 100 -0.47 11 5 -6.89 63 253|213 23 -61 1 70 -102| 87 GS
2005 02 02 02:30:25.94 14.080 144.715 PDE|162.0 6.2 2.4 18 |2.43 9 47 0.01 75 282 -2.44 12 138|182 75 -3 273 87 -165| 99 GS
2005 02 05 03:34:25.73 16.011 145.867 PDE|124.0 6.5 7.1 18 |7.06 13 212 -0.02 28 309 -7.04 59 101|270 41 -137 145 63 -58| 99 GS
2005 04 21 21:31:48.79 13.179 145.056 PDE| 36.0 5.4 1.8 17 |2.05 53 337 -0.58 23 212 -1.47 26 109|158 28 33 38 75 114| 43 GS
2005 05 04 04:38: 6.62 11.710 143.779 PDE| 15.0 5.4 1.6 17 |1.53 11 13 0.07 2 282 -1.60 78 181|105 34 -86 281 57 -93| 91 GS
2005 12 03 20:38:11.86 12.190 141.008 PDE| 6.0 5.6 3.3 17 |3.40 2 324 -0.20 10 233 -3.20 80 64| 64 44 -75 224 48 -104| 88 GS
2006 01 02 01:01:24.39 12.361 144.310 PDE| 3.0 5.7 4.1 17 |4.19 33 94 -0.09 30 206 -4.09 43 327|128 30 -169 29 84 -60| 96 GS
2006 01 03 12:27:57.67 13.841 145.287 PDE| 55.0 5.8 6.0 17 |7.60 51 326 -3.28 16 76 -4.32 34 177|316 18 150 74 81 74| 14 GS
2007 02 15 18:29: 4.38 11.807 141.874 PDE| 53.0 5.4 1.8 17 |1.72 13 321 0.11 48 66 -1.84 39 220| 8 53 -159 265 74 -39| 88 GS
2007 10 06 12:38:49.17 18.730 147.148 PDE| 16.0 6.0 1.3 18 |1.31 16 215 -0.06 67 348 -1.26 15 121|348 90 23 258 67 180| 91 GS
2007 10 31 03:30:15.96 18.900 145.388 PDE|224.0 7.2 7.2 19 |7.84 48 159 -1.58 41 340 -6.25 0 250|306 57 38 193 59 141| 60 GS
2008 02 28 09:12:54.66 12.680 141.766 PDE| 7.0 5.5 1.9 17 |1.96 10 200 -0.06 5 291 -1.91 78 51|116 55 -83 284 35 -100| 94 GS
2008 03 26 20:06: 5.84 13.594 144.879 PDE| 49.0 5.5 2.2 17 |2.10 61 1 0.13 18 129 -2.23 20 226|347 29 131 122 68 70| 88 GS
2008 04 08 02:09:16.85 12.590 143.788 PDE| 9.0 5.5 2.2 17 |2.01 2 43 0.40 83 287 -2.41 5 133|179 84 -2 269 88 -174| 67 GS
2008 04 17 17:02:52.25 15.885 144.878 PDE| 4.0 5.5 1.9 17 |1.64 18 285 0.49 16 21 -2.13 64 150|209 65 -72 351 30 -124| 54 GS
Latest USGS Fast Moment Tensor Solutions
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver