Phase Data

Explanation of Parameters


     25 MAR 2013  ( 84)

     ot  = 02:17:56.54   +/-   2.16              ANDREANOF ISLANDS, ALEUTIAN IS. 
     lat =      51.520   +/-   16.1
     lon =    -177.170   +/-    9.7              MAGNITUDE 4.2 (GS)       
     dep =        47.4   +/-    7.3   

     52 km (32 miles) SW of Adak, Alaska (pop 500)
     78 km (48 miles) ESE of Tanaga Volcano, Alaska (pop N/A)
     1982 km (1231 miles) WSW of Anchorage, Alaska
     2795 km (1736 miles) W of JUNEAU, Alaska

     nph =   62 of  78    se = 1.07    FE=007                            A   

     error ellipse = (340.0, 17.0, 26.3;240.0, 28.0, 15.6; 97.0, 55.0,  3.3)

 mb = 4.2 ( 54)  ML = 4.8 (  2)  mblg = 0.0 (  0)  md = 3.8 (  2)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 KIWB ePn     02:18:05.75   0.0    0.3   2 d:1.6+2     3.7                   KIWB
      eSn     02:18:11.94  S res =  -0.4 
 GSTR ePn     02:18:12.90   0.1    0.9  50 d:1.4+2     3.8                   GSTR
      eSn     02:18:23.76  S res =  -1.0 
 NIKH ePn     02:19:14.28   1.1    5.3  71 L:1.4+0 .82 4.9                   NIKH
      eSn     02:20:16.35  S res =   3.3 
 UNV  ePn     02:19:35.94   1.1    6.9  66                                   UNV 
 SPIA ePn     02:19:38.32   2.5    7.0  33                                   SPIA
      eSn     02:20:53.66  S res =   0.2 
 GAMB ePn     02:20:56.38   3.2   12.6  11                                   GAMB
 KDAK ePn     02:21:29.67  -1.9   15.5  57 b:1.1+1 .70 4.1                   KDAK
 RSO  ePn     02:21:41.08  -0.2   16.2  47                                   RSO 
 SEW  ePn     02:21:56.46  -2.4   17.7  50 b:6.4+0 .80 3.8                   SEW 
 SUA  ePn     02:21:58.87   1.6   17.5  45                                   SUA 
 PPLA ePn     02:21:59.00   1.5   17.5  40 b:2.5+0 .84 3.4                   PPLA
 RC01 ePn     02:22:01.51   0.4   17.8  47                                   RC01
 CAST ePn     02:22:01.98   0.9   17.8  39 b:3.3+0 .80 3.5                   CAST
 GHO  eP      02:22:08.65   0.6   18.4  45 b:7.4+0 1.0 3.8                   GHO 
 KNK  eP      02:22:08.88   0.0   18.5  47                                   KNK 
 TRF  eP      02:22:09.00  -0.4   18.6  40 b:8.6+0 1.0 3.9                   TRF 
 BPAW eP      02:22:10.80   1.1   18.6  37 b:6.0+0 1.1 3.7                   BPAW
 IM3  eP      02:22:12.34   1.5   18.7  30                                   IM3 
 SML  eP      02:22:12.89   1.9   18.7  46 b:6.3+0 .96 3.8                   SML 
 RND  eP      02:22:14.84  -0.5   19.1  41 b:5.1+0 .92 3.8                   RND 
 MLY  eP      02:22:16.51   0.5   19.2  35 b:5.3+0 .96 3.8                   MLY 
 MCK  eP      02:22:16.54   0.0   19.2  40 b:2.7+0 .80 3.6                   MCK 
 SCM  eP      02:22:16.69   0.6   19.2  46                                   SCM 
 WRH  eP      02:22:20.91  -2.8   19.9  38                                   WRH 
 KLU  eP      02:22:23.02   1.1   19.7  48 b:7.6+0 1.2 3.9                   KLU 
 RIDG eP      02:22:23.31 -11.4   20.9  42 b:5.0-1 .44 3.2                   RIDG
 CCB  eP      02:22:23.70  -2.1   20.1  38                                   CCB 
 MDM  eP      02:22:23.75  -1.9   20.1  37 b:4.0+0 1.2 3.6                   MDM 
 ILB  eP      02:22:24.87  -5.3   20.5  38 b:1.0+0 .45 3.5                   ILB 
 PAX  eP      02:22:29.31   0.3   20.4  44 b:6.2+0 1.0 3.9                   PAX 
 DOT  eP      02:22:37.58  -0.3X  21.2  42 b:7.1+0 .96 4.0                   DOT 
 SCRK eP      02:22:40.47   1.0   21.3  42 b:6.0+0 .48 4.2                   SCRK
 TOLK eP      02:22:42.95   0.2   21.7  27 b:2.7+0 .90 3.7                   TOLK
 EGAK eP      02:22:53.25  -1.2   22.8  41 b:2.7+0 .75 3.8                   EGAK
 INK  eP      02:23:29.64  -1.7   26.8  35                                   INK 
 MAJO eP      02:24:43.06   0.4   34.8 262 b:2.1+1 .70 5.2                   MAJO
 MJB9 eP      02:24:43.10   0.4   34.8 262 b:2.2+1 .70 5.2                   MJB9
 B08A eP      02:24:57.27   0.0X  36.5  72 b:1.0+1 1.1 4.6                   B08A
 NEW  eP      02:25:08.69   0.0X  37.9  71 b:8.1+0 1.0 4.6                   NEW 
 I07A eP      02:25:14.71   0.3   38.5  78 b:4.3+0 1.0 4.3                   I07A
 WVOR eP      02:25:26.52   0.2   40.0  79                                   WVOR
 YERR eP      02:25:39.29  -0.6   41.6  84 b:2.7+0 .88 4.0                   YERR
 PNTR eP      02:25:39.52   1.9   41.3  84 b:6.9+0 .74 4.5                   PNTR
      eS      02:31:51.26  S res =   2.6X
 HLID eP      02:25:42.92   0.5X  41.9  75 b:3.0+0 1.0 4.0                   HLID
 MCMT eP      02:25:44.47   0.0X  42.2  73                                   MCMT
 NV01 eP      02:25:46.79  -0.7   42.5  84                                   NV01
 BOZ  eP      02:25:46.80   0.2X  42.4  71 b:5.4+0 .75 4.4                   BOZ 
 YHB  eP      02:25:52.77   0.0   43.2  72 b:9.2+0 1.1 4.4                   YHB 
 YMR  eP      02:25:54.44   0.2X  43.4  72 b:7.4+0 1.1 4.3                   YMR 
 YHH  eP      02:25:54.48   0.1   43.4  72 b:6.9+0 .94 4.4                   YHH 
 YNR  eP      02:25:56.66   1.2X  43.5  72 b:7.1+0 1.0 4.3                   YNR 
 H17A eP      02:25:57.09  -0.3   43.8  72 b:8.1+0 1.1 4.4                   H17A
 LKWY eP      02:25:58.35   0.9   43.8  72 b:3.9+0 .80 4.2                   LKWY
 IMW  eP      02:25:58.41   0.5X  43.8  73 b:3.0+0 1.1 4.0                   IMW 
 FLWY eP      02:25:58.96   0.8X  43.9  72 b:4.3+0 1.0 4.1                   FLWY
 RLMT eP      02:26:00.60   0.3X  44.1  70 b:7.8+0 .90 4.5                   RLMT
 DUG  eP      02:26:05.00  -1.0   44.8  78 b:6.6+0 1.1 4.4                   DUG 
 BW06 eP      02:26:08.36  -1.3   45.3  73 b:5.3+0 1.0 4.3                   BW06
 PDAR eP      02:26:09.57  -0.1   45.3  73                                   PDAR
 PD31 eP      02:26:09.72   0.1X  45.3  73 b:4.9+0 1.0 4.3                   PD31
 GSC  eP      02:26:09.76  -0.8   45.4  86 b:3.3+0 .85 4.2                   GSC 
 JLU  eP      02:26:10.87   0.1   45.4  77 b:2.0+0 .88 4.0                   JLU 
 TMUT eP      02:26:16.59  -1.7   46.4  78 b:3.2+0 .80 4.3                   TMUT
 SRU  eP      02:26:21.96  -0.3   46.9  78 b:3.8+0 .84 4.4                   SRU 
 U15A eP      02:26:27.70   0.6   47.5  82 b:4.0+0 1.1 4.3                   U15A
 T25A eP      02:26:59.41  -0.8   51.9  76 b:6.8+0 1.0 4.6                   T25A
 MNTX eP      02:27:22.80   0.4   54.9  82 b:2.6+0 1.0 4.2                   MNTX
 TX31 eP      02:27:41.15  -0.5X  57.6  82                                   TX31
      eP      02:27:41.60  -0.2X
 MIAR eP      02:27:58.42  -0.5   60.1  71 b:1.3+1 1.1 5.0                   MIAR
 PSI  eP      02:30:21.81  -0.8   84.1 267 b:7.1+0 .90 4.7                   PSI 
 SDHHIeS      02:30:29.62  -4.9X  36.4 144                                   SDHH
 AS01 eP      02:30:32.84  -0.1   86.3 224                                   AS01



 Generated 2013 MAR 25 at 03:25 UTC

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