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Earthquake Hazards Program
Phase Data

Explanation of Parameters


     28 FEB 2009  ( 59)

     ot  = 22:10:41.50   +/-   0.00        CENTRAL ALASKA                  
     lat =      64.451   +/-    0.0
     lon =    -149.435   +/-    0.0                                       
     dep =        16.2   +/-    0.0   

     20 km (15 miles) SW of Nenana, Alaska (pop 400)
     70 km (45 miles) NNW of Healy, Alaska (pop 1,000)
     95 km (60 miles) WSW of Fairbanks, Alaska (pop 30,000)
     1050 km (650 miles) NW of JUNEAU, Alaska
 
     ML 2.6 (AEIC).

     nph =   30 of  40    se = 0.00    FE=001                            held

     error ellipse = (  0.0,  0.0,  0.0;  0.0,  0.0,  0.0;  0.0,  0.0,  0.0)

 mb = 0.0 (  0)  ML = 2.4 (  4)  mblg = 0.0 (  0)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 NEA  P       22:10:46.30   0.0    0.2  51                                   NEA 
 WRH  P       22:10:53.19   0.2    0.6  87                                   WRH 
 MDM  P       22:10:55.33  -0.4    0.7  45                                   MDM 
      S       22:11:05.02  S res =  -0.3X
 CCB  P       22:10:55.43  -0.3    0.7  74                                   CCB 
 MCK  P       22:10:56.14  -0.1    0.8 163                                   MCK 
      S       22:11:06.34  S res =   0.1X
 COLA P       22:10:56.85  -0.2    0.8  57                                   COLA
      S       22:11:07.80  S res =   0.1X
 MLY  P       22:10:57.09  -0.1    0.8 317                                   MLY 
 GLM  P       22:11:00.63  -0.3    1.0  58                                   GLM 
 TRF  P       22:11:00.72  -1.0    1.1 201                                   TRF 
      S       22:11:15.27  S res =  -0.3X
 IL1  P       22:11:01.70  -1.1    1.1  73                                   IL1 
 HDA  P       22:11:01.73   0.0    1.1  91                                   HDA 
 RND  P       22:11:01.73  -0.1    1.1 166                                   RND 
      S       22:11:16.24  S res =  -0.3X
 DDM  P       22:11:10.01  -0.5    1.7 111                                   DDM 
 DHY  P       22:11:10.29   0.3    1.7 145                                   DHY 
 PPLA P       22:11:13.47  -1.0    2.0 219                                   PPLA
 PRP  P       22:11:14.14  -0.3    2.0  55                                   PRP 
 PAX  ePn     22:11:19.90   1.0    2.3 128 d:1.1+2     4.0X L:3.9-2 .54 2.4  PAX 
      eSn     22:11:44.46  S res =  -2.5X
 IM3  P       22:11:20.00   0.2    2.4 312                                   IM3 
 SML  P       22:11:24.62   0.4    2.7 169                                   SML 
 COLD P       22:11:26.11   0.5    2.8 354                                   COLD
 SCM  P       22:11:26.19   0.6    2.8 159                                   SCM 
 DOT  ePn     22:11:26.41   5.0    2.5 106 d:1.4+2     4.2X L:1.8-2 .46 2.1  DOT 
      eSn     22:11:47.98  S res =  -3.5X
 PMR  ePn     22:11:27.12   0.6    2.9 177 d:7.9+1     3.9X L:2.4-2 .64 2.5  PMR 
      eSn     22:11:58.91  S res =  -1.8X
 SUA  P       22:11:29.63   0.4    3.1 192                                   SUA 
 STLK P       22:11:30.95   0.4    3.2 201                                   STLK
 EGAK ePn     22:11:35.61  -0.6    3.6  81 d:1.3+2     4.6X L:5.6-2 .70 3.2  EGAK
      eSn     22:12:18.60  S res =   0.5X
 BM3  P       22:11:35.65  -0.6    3.6  31                                   BM3 
 BCA3 P       22:11:36.20  -1.4    3.7 109                                   BCA3
 BMRM ePn     22:11:44.73   0.7    4.1 145                                   BMRM
      eSn     22:12:30.18  S res =  -1.9X
 DAWY P       22:11:47.47  -0.1    4.4  91                                   DAWY



 Generated 2009 MAR  7 at 19:52 UTC

Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver


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