Phase Data

Explanation of Parameters


      6 FEB 2013  ( 37)

     ot  = 07:59:53.04   +/-   3.10              UNIMAK ISLAND REGION, ALASKA    
     lat =      53.670   +/-   13.1
     lon =    -163.204   +/-    7.9              MAGNITUDE 4.4 (GS)       
     dep =        22.2   +/-    6.1   

     133 km (82 miles) S of False Pass, Alaska (pop 60)
     172 km (107 miles) S of Cold Bay, Alaska
     1157 km (719 miles) SW of Anchorage, Alaska
     1856 km (1152 miles) W of JUNEAU, Alaska

     nph =   94 of  95    se = 1.53    FE=010                            A   

     error ellipse = (164.0, 12.0, 20.9;256.0,  8.0, 11.1; 21.0, 74.0,  8.3)

 mb = 4.4 ( 33)  ML = 4.2 ( 22)  mblg = 0.0 (  0)  md = 4.2 (  3)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 FALS ePn     08:00:15.22   0.8    1.2 354 d:2.4+2     4.2  L:3.6+1 .46 4.8  FALS
      eSn     08:00:28.89  S res =  -1.0 
 AKUT ePn     08:00:20.26   0.5    1.6 288 d:1.7+2     4.1  L:1.9+0 .64 3.7  AKUT
      eSn     08:00:39.73  S res =   0.1 
 UNV  ePn     08:00:24.59  -0.4    2.0 277 d:1.8+2     4.3  L:7.9-1 .64 3.5  UNV 
      eSn     08:00:48.17  S res =  -0.8 
 SDPT ePn     08:00:30.42   0.6    2.3  42 L:2.2+0 1.3 4.1                   SDPT
 NIKH ePn     08:00:45.13  -0.4    3.5 261 L:5.0-1 .76 3.9                   NIKH
 CHGN ePn     08:00:51.02   0.6    3.8  44 L:5.2-1 1.2 4.0                   CHGN
 SPIA ePn     08:01:12.84   1.6    5.3 314 L:3.1-1 1.8 4.3                   SPIA
 SII  ePn     08:01:19.31  -0.1    5.9  57 L:4.9-1 2.6 4.7                   SII 
 OHAK ePn     08:01:28.01  -1.5    6.7  54 L:2.5-1 1.4 4.6                   OHAK
 KDAK ePn     08:01:36.54  -1.3    7.3  51 L:1.1-1 3.2 4.4                   KDAK
 SVW2 ePn     08:01:56.19   1.5    8.5  26 L:5.0-2 2.0 4.3                   SVW2
 RSO  ePn     08:02:00.45   0.6    8.9  36                                   RSO 
 BRLK ePn     08:02:02.33  -0.5    9.1  43                                   BRLK
 SEW  ePn     08:02:13.33  -0.4    9.9  44                                   SEW 
 SUA  ePn     08:02:18.68  -0.3   10.3  36                                   SUA 
 RC01 ePn     08:02:20.31  -0.1   10.4  39                                   RC01
 PMR  ePn     08:02:26.25  -1.6   10.9  38                                   PMR 
 KNK  ePn     08:02:28.65  -1.2   11.1  40                                   KNK 
 PPLA ePn     08:02:28.95   1.3   10.9  28                                   PPLA
 GHO  ePn     08:02:29.13  -1.5   11.1  37                                   GHO 
 ANM  ePn     08:02:30.48   1.8   11.0 355                                   ANM 
 GLI  ePn     08:02:32.11  -0.8   11.3  44                                   GLI 
 SML  ePn     08:02:32.33  -1.5   11.4  38                                   SML 
 CAST ePn     08:02:34.64   1.0   11.4  26                                   CAST
 SCM  ePn     08:02:36.87  -2.3   11.8  40                                   SCM 
 EYAK ePn     08:02:36.88  -1.5   11.7  47                                   EYAK
 TRF  ePn     08:02:40.58  -0.3   11.9  29                                   TRF 
 DIV  ePn     08:02:40.95  -1.3   12.0  45                                   DIV 
 KLU  ePn     08:02:42.58  -1.5   12.1  43                                   KLU 
 RND  ePn     08:02:44.65  -1.6   12.3  32                                   RND 
 HMT  ePn     08:02:45.11  -1.1   12.3  50                                   HMT 
 BPAW ePn     08:02:45.16   0.0   12.2  26                                   BPAW
 MCK  ePn     08:02:48.45  -0.7   12.5  31                                   MCK 
 HARP ePn     08:02:54.08  -0.9   12.9  40                                   HARP
 PAX  ePn     08:02:56.83  -1.2   13.1  38                                   PAX 
 MLY  ePn     08:02:56.86   0.5   13.0  24                                   MLY 
 WRH  ePn     08:02:57.51  -2.5   13.3  29                                   WRH 
 IM3  ePn     08:03:01.07   2.0   13.2  17                                   IM3 
 MDM  ePn     08:03:03.36  -1.1   13.6  28                                   MDM 
 IL1  ePn     08:03:04.32  -3.5   13.9  30                                   IL1 
 RIDG ePn     08:03:06.26  -1.2   13.8  36                                   RIDG
 ILB  ePn     08:03:07.67  -0.2   13.9  30                                   ILB 
 DOT  ePn     08:03:08.42  -2.0   14.0  37                                   DOT 
 SCRK ePn     08:03:13.02  -0.6   14.3  36                                   SCRK
 PRP  ePn     08:03:17.87  -2.9   14.8  30                                   PRP 
 COLD ePn     08:03:24.57   1.4   15.0  20                                   COLD
 FYU  ePn     08:03:30.76  -0.9   15.6  27 b:2.6+0 .80 3.5                   FYU 
 DAWY ePn     08:03:35.00  -1.6   16.0  40 b:7.8+0 .70 4.0                   DAWY
 WHY  ePn     08:03:46.97   0.6   16.8  54 b:1.5+1 .95 4.1                   WHY 
 DLBC eP      08:04:12.15  -0.8   19.0  62 b:7.9+0 1.0 3.9                   DLBC
      esP     08:04:27.27   6.2 
 INK  eP      08:04:24.46  -1.7   20.2  32 b:7.3+0 1.0 4.0                   INK 
 PETK eP      08:04:57.02  -0.4   23.1 285                                   PETK
 YKB5 eP      08:05:28.39  -0.4   26.5  51                                   YKB5
 YKW3 eP      08:05:28.79   0.0   26.5  51 b:3.7+0 1.1 3.9                   YKW3
 HRY  eP      08:06:20.85  -5.3X  33.0  81                                   HRY 
 HLID eP      08:06:29.32   1.3   33.2  88 b:2.6+0 .80 4.2                   HLID
 NV01 eP      08:06:37.25   1.6   34.0  98                                   NV01
 ELK  eP      08:06:40.12   1.6   34.4  92 b:3.5+0 .95 4.3                   ELK 
 HVU  eP      08:06:46.61   1.0   35.2  89 b:4.9+0 .86 4.4                   HVU 
 BGU  eP      08:06:50.21   1.4   35.6  90 b:3.6+0 .88 4.3                   BGU 
 R11A eP      08:06:51.57   1.6   35.7  96 b:2.6+0 1.0 4.1                   R11A
 DUG  eP      08:06:55.20   1.4   36.2  91 b:7.6+0 1.0 4.5                   DUG 
 PSUT eP      08:06:58.91   1.2   36.6  94 b:3.7+0 .90 4.2                   PSUT
 FCC  eP      08:07:02.22   0.1   37.2  54 b:4.5+0 1.1 4.2                   FCC 
 TMUT eP      08:07:07.67   0.7   37.7  91 b:6.3+0 .90 4.4                   TMUT
 Q16A eP      08:07:10.80   1.7   38.0  91 b:1.0+1 1.1 4.5                   Q16A
 SRU  eP      08:07:12.75   1.5   38.2  90 b:4.9+0 1.0 4.3                   SRU 
 O20A eP      08:07:17.77   0.6   38.9  87 b:7.7+0 .85 4.4                   O20A
 MDND eP      08:07:22.32   1.1   39.4  72 b:2.2+1 .90 4.9                   MDND
 PV17 eP      08:07:24.63   1.0   39.7  90 b:8.8+0 1.1 4.4                   PV17
 PV03 eP      08:07:24.77   0.5   39.8  90 b:4.4+0 .78 4.2                   PV03
 PV13 eP      08:07:25.61   0.6   39.9  90 b:9.5+0 .86 4.5                   PV13
 PV12 eP      08:07:26.17   2.0   39.8  90 b:8.6+0 1.0 4.4                   PV12
 PV02 eP      08:07:27.10   2.0   39.9  90 b:7.4+0 .90 4.4                   PV02
 PV01 eP      08:07:27.24   0.9   40.0  90 b:4.9+0 .84 4.3                   PV01
 WUAZ eP      08:07:29.45   2.4   40.1  95 b:4.7+0 1.1 4.1                   WUAZ
 PV11 epP     08:07:29.68   0.0   39.7  90                                   PV11
 SUMG eP      08:08:33.59   0.6   48.4  19 b:7.8+0 1.1 4.7                   SUMG
 TX31 eP      08:08:38.55   0.2   49.0  95                                   TX31
      eP      08:08:39.70   1.2 
 KVN  ePcP    08:09:10.10  -1.9   33.8  97                                   KVN 
 WVT  eP      08:09:11.19  -1.0   53.6  77 b:5.1+0 .75 4.6                   WVT 
 SONA1eP      08:09:12.53  -0.9   53.8 303                                   SONA
 KURK eP      08:10:22.98   0.1   63.8 321 b:7.9+0 1.1 4.8                   KURK
 BRVK eP      08:10:28.96   0.0   64.7 328 b:3.7+0 .85 4.5                   BRVK
 MKAR eP      08:10:34.00  -0.3   65.5 317 b:7.8+0 .95 4.8                   MKAR
 MK31 eP      08:10:34.00  -0.3   65.5 317                                   MK31
 ABKAReP      08:11:09.80   0.2   71.2 332                                   ABKA
 CHGR eP      08:11:47.24   0.2   77.6 321 b:1.6+1 .84 5.1                   CHGR
 BUR04eP      08:11:54.10   0.1   78.8 354                                   BUR0
 H17A eS      08:12:08.95  -5.5   35.0  83                                   H17A



 Generated 2013 FEB  6 at 08:24 UTC

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