Link to USGS home page.
Earthquake Hazards Program
Phase Data

Explanation of Parameters


     20 JUL 2007  (201)

     ot  = 02:00:13.49   +/-   0.94              FOX ISLANDS, ALEUTIAN ISLANDS   
     lat =      52.582   +/-    7.8
     lon =    -168.213   +/-    4.4              MAGNITUDE 4.7 (GS)       
     dep =        40.5   +/-    7.8   

     60 km (35 miles) SE of Nikolski, Alaska (pop 30)
     165 km (105 miles) E of Yunaska Island, Alaska
     1470 km (910 miles) WSW of Anchorage, Alaska
     2205 km (1370 miles) W of JUNEAU, Alaska

     nph =   82 of  97    se = 0.98    FE=009                            A   

     error ellipse = ( 11.7, 44.2, 15.2;184.9, 45.6,  7.5;278.4,  3.4,  6.5)

 mb = 4.7 ( 30)  ML = 0.0 (  0)  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
 AKUT ePn     02:00:45.88  -0.7    2.1  42                                   AKUT
      eSn     02:01:12.96  S res =   1.1X
 FALS ePn     02:01:09.92   2.6    3.6  49                                   FALS
      eSn     02:01:49.81  S res =   0.7X
 SDPT ePn     02:01:30.37  -0.2    5.3  56                                   SDPT
      eSn     02:02:30.37  S res =  -0.4X
 CHGN ePn     02:01:51.20   0.3    6.8  53                                   CHGN
      eSn     02:03:08.18  S res =   1.1X
 AMKA ePn     02:02:04.09  -0.3    7.8 266                                   AMKA
 KDAK ePn     02:02:36.74  -2.2   10.3  54                                   KDAK
 SVW2 ePn     02:02:51.65   4.0X  11.0  34                                   SVW2
 TTA  qPn     02:03:03.89  -0.9   12.2  27                                   TTA 
 PMR  ePn     02:03:24.64  -0.2   13.7  41                                   PMR 
 IMA2 ePn     02:03:49.59   2.4   15.4  23                                   IMA2
 EGAK eP      02:04:22.26  -2.9X  18.4  38                                   EGAK
 DAWY eP      02:04:28.46  -0.8   18.8  41                                   DAWY
 PET  eP      02:04:41.59  -0.1   19.9 285                                   PET 
 CRAG eP      02:04:50.16   0.5   20.7  68                                   CRAG
 DLBC eP      02:05:08.81   3.1X  22.2  60                                   DLBC
 INK  eP      02:05:09.84  -2.1   22.8  33                                   INK 
 ETW  eP      02:06:24.12   0.1   30.7  80                                   ETW 
 HUMO eP      02:06:33.37   1.0   31.6  90 b:8.7+0 1.0 4.5                   HUMO
      epP     02:06:38.10  depth =  16.5X
 HAWA eP      02:06:34.04   0.9   31.7  81 b:2.0+1 1.3 4.8                   HAWA
      e       02:06:42.50  depth =  29.4X
 NEW  eP      02:06:37.99  -0.1   32.3  77 b:7.9+0 .95 4.6                   NEW 
 KHMM eP      02:06:38.40   1.2   32.2  93                                   KHMM
 YBH  eP      02:06:39.48   1.3   32.3  91 b:7.9+0 .80 4.6                   YBH 
 WDC  eP      02:06:45.68   0.7   33.1  93 b:1.2+1 1.0 4.7                   WDC 
 MOD  eP      02:06:50.86   0.6   33.6  89                                   MOD 
 WALA eP      02:06:51.82   0.3   33.8  74 b:1.0+1 1.1 4.7                   WALA
 BMO  eP      02:06:52.07   0.2   33.8  82                                   BMO 
 OHCM eP      02:06:56.88  -0.2   34.5  94                                   OHCM
 MSO  eP      02:07:00.54   0.0   34.9  77 b:7.0+0 1.2 4.5                   MSO 
      e       02:07:09.72  depth =  31.3X
 PAHR eP      02:07:06.73   0.4   35.5  91                                   PAHR
 CMB  eP      02:07:10.13   0.2   35.9  94 b:7.4+0 .95 4.6                   CMB 
 HLID eP      02:07:12.84  -0.2   36.3  82                                   HLID
 WAKR eP      02:07:13.18   0.6   36.2  93                                   WAKR
 EGMT         02:07:15.62  -1.0   36.7  73                                   EGMT
 BOZ  eP      02:07:17.43  -0.2   36.8  78                                   BOZ 
 ELK  eP      02:07:22.42  -0.3   37.4  87                                   ELK 
      epP     02:07:30.69  depth =  27.7X
 MTUM eP      02:07:23.72   0.4   37.5  94                                   MTUM
 IMW  eP      02:07:29.51   0.2   38.2  80 b:1.4+1 1.1 4.8                   IMW 
 RRI2 eP      02:07:30.43   0.4   38.3  81 b:1.3+1 .90 4.8                   RRI2
 TPAW eP      02:07:31.37   0.2   38.4  80 b:1.8+1 1.5 4.7                   TPAW
      epP     02:07:42.32  depth =  38.8X
 RLMT eP      02:07:32.40   0.8   38.5  77                                   RLMT
 LOHW eP      02:07:32.64   0.4   38.6  80                                   LOHW
 REDW eP      02:07:32.83   0.6   38.6  80                                   REDW
 ISA  eP      02:07:32.96   0.0   38.7  96 b:1.3+1 1.0 4.7                   ISA 
 TPNV eP      02:07:37.42   0.1   39.2  92 b:1.6+1 1.0 4.7                   TPNV
 DUG  eP      02:07:37.76   0.0   39.2  86                                   DUG 
 BW06 eP      02:07:40.86  -0.7   39.7  80 b:1.6+1 1.2 4.7                   BW06
 GSC  eP      02:07:43.27  -0.2   39.9  95 b:1.8+1 1.0 4.8                   GSC 
 DAU  eP      02:07:45.14   0.4   40.0  84                                   DAU 
 FCC  eP      02:07:46.84   0.9   40.3  51                                   FCC 
 MSU  eP      02:07:50.03   0.3   40.6  87                                   MSU 
 TMUT eP      02:07:51.23   0.6   40.7  86                                   TMUT
 LDFC qP      02:07:52.35  -0.9   41.1  94                                   LDFC
 PFO  eP      02:07:54.19  -0.5   41.3  96                                   PFO 
 SRU  eP      02:07:56.16   1.3   41.3  85                                   SRU 
 RWWY eP      02:07:58.06  -0.4   41.7  80                                   RWWY
 BAR  eP      02:07:58.46  -0.3   41.8  98 b:1.4+1 1.1 4.6                   BAR 
 WUAZ eP      02:08:09.50   0.0   43.1  90 b:9.2+0 .85 4.5                   WUAZ
 SMCO eP      02:08:11.43  -0.8   43.4  83                                   SMCO
 MVCO eP      02:08:14.11  -0.7   43.7  86 b:1.2+1 1.1 4.5                   MVCO
 AGMN eP      02:08:22.20   1.6   44.5  65 b:1.1+1 1.1 4.6                   AGMN
 SDCO eP      02:08:26.37  -0.2   45.2  83                                   SDCO
 TUC  eP      02:08:29.39  -0.3   45.6  93                                   TUC 
 KS15 eP      02:08:33.82   0.4   46.1 277                                   KS15
 ANMO eP      02:08:36.00  -0.4   46.4  87                                   ANMO
 ECSD eP      02:08:36.51  -1.8   46.7  71 b:1.2+1 1.3 4.7                   ECSD
 LPM  eP      02:08:38.96   0.0   46.8  88                                   LPM 
 EYMN eP      02:08:43.51   2.4   47.1  63                                   EYMN
 AMTX         02:08:57.00  -2.1   49.4  83                                   AMTX
 GDL2 eP      02:09:00.38  -0.3   49.6  88                                   GDL2
 SUMG eP      02:09:05.83  -0.5   50.4  18 b:1.1+1 1.1 4.8                   SUMG
 TLY  eP      02:09:09.03  -0.2   50.8 307                                   TLY 
 WMOK eP      02:09:12.04  -1.0   51.2  81 b:7.8+0 1.0 4.7                   WMOK
 JCT  eP      02:09:28.88  -1.5   53.6  86                                   JCT 
 MIAR eP      02:09:35.54  -1.4   54.5  78                                   MIAR
 PLAL eP      02:09:56.15  -1.9   57.5  74                                   PLAL
 NCB  eP      02:10:06.73  -0.9   58.8  57                                   NCB 
 FRNY eP      02:10:10.78   5.2X  58.6  56                                   FRNY
 MCWV eP      02:10:13.04   5.2X  58.9  64                                   MCWV
 ACCN eP      02:10:18.59   6.1X  59.5  57                                   ACCN
 KIEV P       02:11:54.96  -1.2   76.1 349 b:1.1+1 .85 4.9                   KIEV
 AKBB P       02:11:55.05  -1.1   76.0 349                                   AKBB
 KWP  P       02:12:05.77   0.0   77.7 353 b:2.3+1 .95 5.2                   KWP 
 MORC P       02:12:07.06   0.4   77.9 356 b:4.4+0 .85 4.5                   MORC
 PSZ  P       02:12:17.09   0.8   79.6 354 b:6.1+0 1.0 4.5                   PSZ 
 KIV  P       02:12:20.64   1.1   80.2 338 b:9.9+0 .90 4.8                   KIV 
 BNI  P       02:12:34.17   1.7   82.6   4 b:1.6+1 .90 5.1                   BNI 
 AQU  P       02:12:47.48   0.9   85.4 359 b:2.0+1 1.0 5.3                   AQU 
 CLTB P       02:13:09.31  -0.2   90.2 359 b:2.5+0 .85 4.6                   CLTB



 Generated 2007 JUL 20 at 02:18 UTC

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

 


FirstGov button  Take Pride in America button