Phase Data

Explanation of Parameters


      3 APR 2013  ( 93)

     ot  = 07:29:23.89   +/-   1.97              FOX ISLANDS, ALEUTIAN ISLANDS   
     lat =      52.056   +/-   15.7
     lon =    -170.430   +/-    8.8              MAGNITUDE 4.1 (GS)       
     dep =        37.5   +/-    6.9   

     66 km (41 miles) SSE of Yunaska Island, Alaska (pop < 100)
     76 km (47 miles) SE of Amukta Island, Alaska (pop < 100)
     1611 km (1001 miles) WSW of Anchorage, Alaska
     2368 km (1471 miles) W of JUNEAU, Alaska

     nph =   85 of  94    se = 0.97    FE=009                            A   

     error ellipse = (171.0,  7.0, 24.4;264.0, 18.0, 13.3; 60.0, 69.0,  9.6)

 mb = 4.1 ( 62)  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
 NIKH ePn     07:29:44.95  -1.0    1.3  46                                   NIKH
      eSn     07:30:03.55  S res =   1.1 
 ATKA ePn     07:29:58.96  -0.7    2.3 275                                   ATKA
 UNV  ePn     07:30:09.23   0.7    3.0  51                                   UNV 
 GSTR ePn     07:30:15.39   0.0    3.5 273                                   GSTR
 AKUT ePn     07:30:15.70   0.0    3.5  52                                   AKUT
 ADK  ePn     07:30:20.36  -0.5    3.9 270                                   ADK 
 KIWB ePn     07:30:24.97   0.1    4.2 270                                   KIWB
 FALS ePn     07:30:37.37   0.5    5.0  53                                   FALS
 SPIA ePn     07:30:39.38   1.3    5.1   1                                   SPIA
 SDPT ePn     07:31:02.36   1.8    6.8  57                                   SDPT
 CHGN ePn     07:31:22.15   1.6    8.2  54                                   CHGN
      eSn     07:32:52.82  S res =   0.7 
 SII  ePn     07:31:51.88   0.1   10.5  58                                   SII 
 KDAK ePn     07:32:06.42  -2.2   11.7  54                                   KDAK
 GAMB ePn     07:32:08.33  -0.7   11.8 357                                   GAMB
 SVW2 ePn     07:32:18.21   3.7   12.2  36                                   SVW2
 HOM  ePn     07:32:25.42   0.0   13.0  47                                   HOM 
 RSO  ePn     07:32:27.25   2.6   12.9  42                                   RSO 
 BRLK ePn     07:32:29.60  -1.0   13.4  47                                   BRLK
 SEW  ePn     07:32:40.01  -1.6   14.2  47                                   SEW 
 RC01 ePn     07:32:45.11  -1.0   14.5  43                                   RC01
 PPLA ePn     07:32:51.09   3.8   14.6  35                                   PPLA
 PMR  ePn     07:32:52.70  -0.1   15.0  42                                   PMR 
 CAST ePn     07:32:52.71   0.5   14.9  33                                   CAST
 KNK  ePn     07:32:53.64  -1.8   15.2  43 b:7.7+0 .84 4.0                   KNK 
 GHO  ePn     07:32:54.59  -0.6   15.2  42 b:4.4+0 .92 3.7                   GHO 
 SML  ePn     07:32:58.20  -0.4   15.4  42 b:5.2+0 .84 3.8                   SML 
 TRF  ePn     07:33:02.06   1.3   15.6  35 b:3.8+0 .80 3.6                   TRF 
 SCM  ePn     07:33:02.88  -1.4   15.9  43 b:1.4+1 .80 4.2                   SCM 
 RND  ePn     07:33:03.47  -3.5   16.1  37 b:1.2+1 1.1 3.9                   RND 
 BPAW ePn     07:33:03.66   0.8   15.8  33 b:1.1+1 .68 4.1                   BPAW
 EYAK ePn     07:33:04.29  -2.0   16.0  48 b:1.1+1 1.0 3.9                   EYAK
 KLU  ePn     07:33:08.04  -2.0   16.3  45 b:6.1+0 .84 3.8                   KLU 
 MCK  ePn     07:33:09.11   0.1   16.2  36 b:5.9+0 1.0 3.7                   MCK 
 IM3  ePn     07:33:11.07   1.4   16.3  25                                   IM3 
 DHY  ePn     07:33:12.54   0.7   16.5  39 b:3.1+0 .56 3.6                   DHY 
 HMT  ePn     07:33:13.52  -0.7   16.7  50 b:2.5+1 1.2 4.2                   HMT 
 MLY  ePn     07:33:14.33   2.5   16.5  30 b:7.4+0 1.0 3.7                   MLY 
 WRH  ePn     07:33:17.10  -1.1   17.0  34 b:5.5+0 .92 3.7                   WRH 
 HARP ePn     07:33:17.51  -1.4   17.0  43 b:7.1+0 .78 3.9                   HARP
 PAX  ePn     07:33:19.59  -1.0   17.2  41 b:2.6+0 .60 3.5                   PAX 
 CCB  ePn     07:33:19.94  -0.8   17.2  34 b:4.1+0 1.0 3.5                   CCB 
 MDM  ePn     07:33:20.72  -0.6   17.2  33 b:2.9+0 .76 3.5                   MDM 
 HDA  ePn     07:33:21.87  -1.0   17.3  36 b:5.1+0 .60 3.8                   HDA 
 ILB  ePn     07:33:24.66  -1.0   17.6  35 b:3.2+0 .55 3.7                   ILB 
 IL1  ePn     07:33:25.53  -0.1   17.6  35                                   IL1 
 BALM ePn     07:33:27.22  -0.9   17.8  49 b:5.5+0 .56 3.9                   BALM
 RIDG ePn     07:33:28.14  -0.1   17.8  39 b:7.1+0 1.1 3.7                   RIDG
 MENT ePn     07:33:28.70  -0.5   17.9  42 b:5.0+0 1.0 3.6                   MENT
 DOT  ePn     07:33:31.02  -0.4   18.0  40 b:2.7+0 .72 3.5                   DOT 
 SCRK eP      07:33:32.98  -0.7X  18.2  39 b:4.0+0 .84 3.6                   SCRK
 COLD eP      07:33:33.01   0.1   18.2  26 b:1.9+0 .88 3.2                   COLD
 PETK eP      07:33:45.83   0.3   19.3 286                                   PETK
 PEA0BeP      07:33:45.95   0.4   19.3 286 b:2.3+1 .55 4.7                   PEA0
 EGAK eP      07:33:49.86   0.3   19.7  38 b:5.3+0 .65 4.0                   EGAK
 BILL eP      07:33:51.05   3.1   19.5 334 b:4.7+0 .70 3.9                   BILL
 DAWY eP      07:33:54.61   0.6   20.1  41 b:3.3+0 .80 3.7                   DAWY
 HYT  eP      07:33:56.24   3.1X  20.0  51 b:4.3+1 .74 4.9                   HYT 
 SKAG eP      07:34:04.40   1.9   20.9  55 b:2.4+1 .72 4.7                   SKAG
 WHY  eP      07:34:08.07   1.5   21.3  52 b:6.1+0 .90 4.0                   WHY 
 EPYK eP      07:34:14.05  -0.9   22.0  37 b:8.4+0 .95 4.2                   EPYK
 DLBC eP      07:34:33.96   2.7   23.6  58 b:1.4+1 1.1 4.4                   DLBC
 INK  eP      07:34:34.06  -0.2   24.0  33 b:7.2+0 .50 4.5                   INK 
 YKB5 eP      07:35:37.34   0.5   30.9  48                                   YKB5
 EGMT eP      07:36:39.06  -0.6   38.2  71 b:6.6+0 .90 4.5                   EGMT
 BOZ  eP      07:36:40.51   0.0   38.3  76                                   BOZ 
 YHH  eP      07:36:50.78   2.3   39.2  76 b:3.9+0 1.0 4.1                   YHH 
 FFC  eP      07:36:51.08   1.1   39.4  58 b:4.4+0 1.0 4.2                   FFC 
 LKWY epP     07:36:59.95  -1.3   39.6  76                                   LKWY
 PDAR eP      07:37:04.36   0.2   41.1  78                                   PDAR
 PD31 eP      07:37:04.77   0.6   41.1  78 b:1.9+0 .70 3.9                   PD31
 BW06 eP      07:37:04.87   0.7   41.1  78 b:2.2+0 .70 4.0                   BW06
 TULEGeP      07:37:16.64   0.7   42.6  20 b:5.2+0 .70 4.4                   TULE
 O20A eP      07:37:26.12   2.8   43.5  80 b:6.3+0 .80 4.4                   O20A
 T25A epP     07:38:09.82   3.4   47.7  81                                   T25A
 TLY  eP      07:38:13.84  -0.2   50.0 306 b:6.4+0 .60 4.8                   TLY 
      epP     07:38:23.81  depth =  -0.6 
 SUMG eP      07:38:23.18  -0.6   51.3  17 b:4.1+0 .50 4.7                   SUMG
 TX31 eP      07:38:39.85   0.1   53.4  88                                   TX31
      eP      07:38:40.30   0.4X
 SCO  eP      07:38:55.64   0.1   55.7  12 b:3.8+0 .60 4.6                   SCO 
 KURK eP      07:39:40.49  -0.5   62.2 318 b:5.5+0 1.1 4.6                   KURK
 MK01 eP      07:39:49.25  -1.0X  63.6 313                                   MK01
 MK31 eP      07:39:50.02  -0.2X  63.5 313 b:1.2+0 .95 4.0                   MK31
 BRVK eP      07:39:50.06  -0.3   63.6 324 b:4.7+0 .45 4.9                   BRVK
 ABKAReP      07:40:33.32  -0.1   70.4 328 b:3.0+0 1.0 4.3                   ABKA
 AAK  eP      07:40:33.49   0.4   70.3 315 b:4.1+0 .85 4.5                   AAK 
 KK31 eP      07:40:40.77  -0.2X  71.6 318 b:3.3+0 .75 4.4                   KK31
 KKAR eP      07:40:40.77  -0.2X  71.6 318 b:3.3+0 .75 4.4                   KKAR
 BTK  eP      07:40:55.50   0.3X  74.0 316 b:4.1+0 .80 4.5                   BTK 
 GAR  eP      07:41:01.88   0.2X  75.1 315 b:8.9+0 .56 4.9                   GAR 
 CRPR eP      07:41:47.88  -0.1   83.5  68                                   CRPR
 MTP  eP      07:41:54.26   0.3   84.7  67 b:4.2+2 .40 7.0                   MTP 



 Generated 2013 APR  3 at 07:44 UTC

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