Phase Data

Explanation of Parameters


     12 APR 2013  (102)

     ot  = 14:51:06.98   +/-   2.48              UNIMAK ISLAND REGION, ALASKA    
     lat =      53.750   +/-   12.0
     lon =    -164.659   +/-    6.4              MAGNITUDE 4.9 (GS)       
     dep =        44.2   +/-    7.3   

     85 km (53 miles) ESE of Akutan, Alaska (pop 700)
     129 km (80 miles) E of Dutch Harbor, Alaska (pop < 10,000)
     1211 km (752 miles) SW of Anchorage, Alaska
     1937 km (1203 miles) W of JUNEAU, Alaska

     nph =   79 of 115    se = 1.22    FE=010                            A   

     error ellipse = (170.0, 10.0, 18.7;317.0, 78.0, 10.7; 78.0,  6.0,  9.4)

 mb = 4.9 ( 58)  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     14:51:21.28   0.0    0.8 301                                   AKUT
      eSn     14:51:32.53  S res =   0.8 
 UNV  ePn     14:51:24.89  -1.0    1.1 276                                   UNV 
      eSn     14:51:38.98  S res =  -0.9 
 FALS ePn     14:51:28.02  -1.0    1.3  33                                   FALS
      eSn     14:51:45.63  S res =   0.2 
 NIKH ePn     14:51:46.54  -0.4    2.6 255                                   NIKH
      eSn     14:52:17.93  S res =   0.3 
 SDPT ePn     14:51:50.32  -0.5    2.9  55                                   SDPT
 CHGN ePn     14:52:11.38   0.1    4.4  52                                   CHGN
 SPIA ePn     14:52:16.36   1.4    4.7 320                                   SPIA
 ATKA ePn     14:52:33.48   0.8    6.0 259                                   ATKA
 SII  ePn     14:52:40.06  -1.7    6.6  61                                   SII 
 GSTR ePn     14:52:50.36   2.3    7.1 261                                   GSTR
 OHAK ePn     14:52:50.80  -0.6    7.3  57                                   OHAK
 KDAK ePn     14:52:57.47  -1.8    7.9  55                                   KDAK
 KIWB ePn     14:52:58.90   1.0    7.8 261                                   KIWB
 SVW2 ePn     14:53:12.73   0.8    8.8  30                                   SVW2
 RSO  ePn     14:53:22.72   3.9    9.3  39                                   RSO 
 BRLK ePn     14:53:23.43   0.5    9.6  46                                   BRLK
 SEW  ePn     14:53:32.24  -1.7   10.4  46                                   SEW 
 SUA  ePn     14:53:37.27  -0.6   10.7  38                                   SUA 
 RC01 ePn     14:53:38.49  -1.3   10.9  42                                   RC01
 GAMB ePn     14:53:39.47   2.3   10.7 343                                   GAMB
 ANM  ePn     14:53:41.22   1.7   10.9 358                                   ANM 
 PPLA ePn     14:53:47.23   2.2   11.3  31                                   PPLA
 KNK  ePn     14:53:47.73  -1.6   11.6  42                                   KNK 
 PMR  ePn     14:53:47.73   0.6   11.4  40                                   PMR 
 GHO  ePn     14:53:47.82  -1.9   11.6  40                                   GHO 
 SML  ePn     14:53:50.62  -2.5   11.9  41                                   SML 
 CAST ePn     14:53:51.39   0.6   11.7  29                                   CAST
 SCM  ePn     14:53:56.61  -2.1   12.3  42                                   SCM 
 TRF  ePn     14:53:59.19   0.6   12.2  32                                   TRF 
 DIV  ePn     14:54:01.25  -1.3   12.5  46                                   DIV 
 KLU  ePn     14:54:01.46  -2.6   12.7  45                                   KLU 
 BPAW ePn     14:54:03.40   1.2   12.5  29                                   BPAW
 HMT  ePn     14:54:05.25  -1.9   12.9  51                                   HMT 
 RND  ePn     14:54:06.03   1.7   12.7  34                                   RND 
 HARP ePn     14:54:12.90  -1.6   13.4  42                                   HARP
 PAX  ePn     14:54:14.70  -2.5   13.6  40                                   PAX 
 WRH  ePn     14:54:14.96  -2.7X  13.7  32                                   WRH 
 IM3  ePn     14:54:16.59   2.3X  13.4  20                                   IM3 
 CCB  ePn     14:54:17.67  -2.8   13.9  31                                   CCB 
 HDA  ePn     14:54:19.72  -2.3X  14.0  33                                   HDA 
 MDM  ePn     14:54:20.90  -0.9X  13.9  30                                   MDM 
 MENT ePn     14:54:23.56  -2.5X  14.3  42                                   MENT
 ILB  ePn     14:54:24.15  -1.5X  14.2  32                                   ILB 
 IL1  ePn     14:54:25.39  -0.2X  14.2  32                                   IL1 
 RIDG ePn     14:54:26.24   0.0X  14.3  38                                   RIDG
 SCRK ePn     14:54:28.72  -3.5X  14.7  38                                   SCRK
 EGAK ePn     14:54:51.26   0.2X  16.2  38 b:2.4+1 .65 4.5                   EGAK
 DAWY ePn     14:54:55.31   0.2X  16.5  41 b:4.7+1 .85 4.7                   DAWY
 HYT  ePn     14:54:55.81   4.4X  16.2  53 b:3.6+1 .76 4.6                   HYT 
 TOLK ePn     14:54:56.65   1.3X  16.5  20 b:4.8+1 1.1 4.5                   TOLK
 BESE ePn     14:55:18.12  14.4X  17.2  62 b:6.0+1 .96 4.7                   BESE
 H04A eP      14:57:00.70   0.2   28.8  91 b:3.3+1 .70 5.1                   H04A
 PINE eP      14:57:11.22  -0.5   30.0  91 b:1.4+1 .95 4.7                   PINE
 G08A eP      14:57:13.68  -1.0   30.4  87 b:1.3+1 1.4 4.5                   G08A
 I07A eP      14:57:18.52   0.8X  30.7  90 b:1.9+1 .95 4.8                   I07A
 K05A eP      14:57:18.74   1.2   30.7  93 b:3.1+1 .85 5.1                   K05A
 WALA eP      14:57:23.17  -0.8   31.4  78 b:5.6+1 1.9 5.0                   WALA
 MOD  eP      14:57:24.87   0.0   31.5  94 b:1.8+1 .90 4.9                   MOD 
 YBH  esP     14:57:29.59  -0.2   30.2  96                                   YBH 
 BEKR eP      14:57:35.18  -0.6   32.8  97 b:3.3+1 1.6 4.9                   BEKR
 PAHR eP      14:57:42.79   1.1   33.5  96 b:3.7+1 1.1 5.2                   PAHR
 PNTR eP      14:57:46.04   1.9X  33.7  97 b:3.8+1 .86 5.3                   PNTR
 EGMT eP      14:57:48.75  -0.6   34.4  77 b:3.0+1 1.3 5.1                   EGMT
 WAKR eP      14:57:49.19   0.9   34.2  98 b:5.2+1 1.5 5.2                   WAKR
 BOZ  eP      14:57:51.02   0.1   34.5  81 b:3.0+0 .75 4.3                   BOZ 
 KVN  eP      14:57:52.70   0.7   34.6  96 b:2.0+1 1.0 5.0                   KVN 
 NV01 eP      14:57:55.27   0.8X  34.9  97                                   NV01
 ELK  eP      14:57:57.97   0.6X  35.3  91 b:1.6+1 1.0 4.9                   ELK 
 YHH  eP      14:57:59.45   0.3X  35.5  82 b:7.4+0 .80 4.7                   YHH 
 YMR  eP      14:57:59.64   0.6X  35.5  82 b:7.4+0 .84 4.7                   YMR 
 R11A eP      14:58:09.02   0.3X  36.6  95 b:2.6+1 1.0 5.1                   R11A
 ISA  eP      14:58:10.52   1.0X  36.7 100 b:3.0+1 1.2 5.1                   ISA 
 PDAR eP      14:58:14.69  -0.9X  37.4  84                                   PDAR
 PSUT eP      14:58:17.25   0.9X  37.5  93 b:1.9+1 1.3 4.8                   PSUT
 LCMT eP      14:58:27.72  -0.1   38.9  94 b:1.2+1 .98 4.7                   LCMT
 LDFC eP      14:58:30.25   1.2   39.0  98 b:6.2+1 .85 5.4                   LDFC
 PFO  eP      14:58:32.68   0.9   39.3 101 b:1.7+1 .90 4.9                   PFO 
 RSSD eP      14:58:36.08   0.1   39.8  78 b:1.2+1 .85 4.7                   RSSD
 O20A eP      14:58:36.10   0.4X  39.8  86 b:3.2+1 1.1 5.0                   O20A
 W13A eP      14:58:36.27   0.6X  39.8  97 b:2.6+1 .85 5.1                   W13A
 U15A eP      14:58:36.70   0.7X  39.8  94 b:1.5+1 1.0 4.7                   U15A
 Y14A eP      14:58:47.60   1.1X  41.1  97 b:1.8+1 .80 4.9                   Y14A
 S22A eP      14:58:56.25   0.8X  42.2  88 b:6.8+0 1.0 4.3                   S22A
 ECSD eP      14:59:11.22  -1.2   44.3  74 b:7.4+0 .60 4.7                   ECSD
 MNTX eP      14:59:36.00   0.8   47.2  93 b:1.6+1 .85 5.0                   MNTX
 SUMG eP      14:59:45.74  -0.1   48.6  19 b:1.4+1 .70 5.1                   SUMG
 WMOK eP      14:59:48.50  -0.4X  49.0  85 b:1.7+1 .75 5.2                   WMOK
 JCT  eP      15:00:06.84  -0.4X  51.4  90 b:3.7+1 .85 5.4                   JCT 
 FVM  eP      15:00:07.60  -1.3X  51.6  76 b:5.6+1 1.6 5.3                   FVM 
 W39A eP      15:00:07.85  -0.9   51.6  81 b:2.0+1 1.0 5.1                   W39A
 WHAR eP      15:00:12.97  -1.8   52.4  80 b:1.7+1 1.2 4.9                   WHAR
 W41B eP      15:00:14.00  -1.5X  52.5  80 b:6.2+0 .85 4.6                   W41B
 ULN  eP      15:00:15.93  -0.5   52.6 302 b:3.8+0 .90 4.4                   ULN 
 SCO  eP      15:00:20.19   0.2   53.2  15 b:5.4+0 .70 4.7                   SCO 
 BATG eP      15:00:59.69   4.3X  58.1  52 b:3.5+1 .86 5.5                   BATG
 FIA1 eP      15:01:40.22  -0.4   64.8 354                                   FIA1
 MK01 eP      15:01:40.37  -0.9   64.9 316                                   MK01
 NC204eP      15:01:43.62   0.1   65.3   2 b:7.6+0 .95 4.7                   NC20
 NC405eP      15:01:44.70   0.0   65.5   2 b:4.2+1 1.9 5.2                   NC40
 ABKAReP      15:02:17.80   0.1   70.7 331 b:5.3+0 1.0 4.4                   ABKA
 AK11 eP      15:02:44.12  -0.8X  75.3 351                                   AK11
 FAKI eP      15:02:54.31   0.2   76.8 246 b:2.5+1 .90 5.2                   FAKI
 GEA0 eP      15:02:59.20   0.1   77.8   1                                   GEA0
 BUR08eP      15:03:04.60   0.7   78.6 353 b:3.7+0 .90 4.4                   BUR0
 NIL  eP      15:03:09.87   0.6   79.6 314                                   NIL 
 MTN  eP      15:03:40.84  -0.4   85.7 242 b:2.0+1 .75 5.4                   MTN 
 FNA  eP      15:03:41.21   0.3X  85.7 355 b:6.0+0 .64 4.9                   FNA 
 OTAV eP      15:03:51.36   0.5   87.6  93 b:8.2+0 .95 4.9                   OTAV
 WB2  eP      15:04:00.72  -1.3   90.1 236                                   WB2 
 FITZ eP      15:04:15.58   0.1   93.0 244 b:9.2+0 1.0 5.2                   FITZ
 AS01 eP      15:04:16.74  -0.8   93.5 234                                   AS01



 Generated 2013 APR 12 at 15:11 UTC

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