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Earthquake Hazards Program
Phase Data

Explanation of Parameters


     21 MAR 2008  ( 81)

     ot  = 02:13:00.89   +/-   0.27              BRISTOL BAY                     
     lat =      56.251   +/-    4.0
     lon =    -162.115   +/-    3.6              MAGNITUDE 4.5 (GS)       
     dep =       190.4   +/-    3.7   

     125 km (75 miles) NNE of Cold Bay, Alaska (pop 80)
     145 km (90 miles) NW of Sand Point, Alaska (pop 900)
     900 km (560 miles) WSW of Anchorage, Alaska
     1680 km (1040 miles) W of JUNEAU, Alaska

     nph =   90 of 107    se = 1.07    FE=011                            A   

     error ellipse = (314.0, 31.1,  7.3;189.6, 43.1,  5.5; 65.2, 31.1,  4.1)

 mb = 4.3 ( 44)  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
 SDPT eP      02:13:30.80  -1.1    1.3 134                                   SDPT
 FALS P       02:13:34.14  -0.3    1.6 208                                   FALS
      S       02:14:00.06  S res =  -0.3X
 CHGN P       02:13:38.98  -0.3    2.1  87                                   CHGN
 AKUT eP      02:13:49.30  -0.4    3.0 226                                   AKUT
 AKA  P       02:13:49.90   0.2    3.0 226                                   AKA 
      S       02:14:26.72  S res =  -1.0X
 AKLV P       02:13:50.48   0.0    3.0 228                                   AKLV
 AKGG P       02:13:50.78   0.5    3.0 229                                   AKGG
      S       02:14:29.45  S res =   0.7X
 UNV  P       02:13:55.36  -0.5    3.5 228                                   UNV 
      S       02:14:36.73  S res =  -2.1X
 OKFG P       02:14:06.54  -0.7    4.4 232                                   OKFG
      S       02:14:58.21  S res =  -1.0X
 SPIA P       02:14:11.11   1.6    4.6 285                                   SPIA
 OHAK eP      02:14:12.90  -1.5    5.0  75                                   OHAK
 NIKO P       02:14:16.56   0.2    5.1 233                                   NIKO
 KDAK P       02:14:20.20  -0.2    5.4  70                                   KDAK
 SVW2 eP      02:14:27.70   0.7    5.9  32                                   SVW2
 RSO  ePn     02:14:34.71   0.4    6.5  46                                   RSO 
 SLKM P       02:14:47.63  -0.7    7.6  51                                   SLKM
 TTA  eP      02:14:47.80   1.9    7.4  22                                   TTA 
 TT01 P       02:14:47.85   2.4    7.4  22                                   TT01
 SEW  P       02:14:49.12  -1.2    7.7  55                                   SEW 
 RC01 ePn     02:14:53.10  -1.7    8.1  48 d:1.4+2     7.6X L:7.3-2 .48 4.3X RC01
      eSn     02:16:20.03  S res =  -5.4X  b:3.7+1 .48 5.0 
 PMR  ePn     02:14:59.84  -1.6    8.6  46 d:6.5+1     7.1X L:2.4-2 .44 3.9X PMR 
      eSn     02:16:32.66  S res =  -5.0X
 PPLA P       02:15:00.71   2.1    8.3  33                                   PPLA
 GAMB ePn     02:15:07.09   1.0    8.9 332 d:3.5+1     6.7X L:2.8-2 .74 4.0X GAMB
                                           b:1.8+1 .74 4.5 
 CHUM ePn     02:15:09.38   1.5    9.1  29 d:7.5+1     7.5X L:5.6-2 .62 4.3X CHUM
 TRF  ePn     02:15:11.19  -0.4    9.3  35 d:1.3+2     8.0X L:3.1-2 .74 4.1X TRF 
 KTH  P       02:15:11.38   1.5    9.2  33                                   KTH 
 ADK  P       02:15:14.80  -0.2    9.6 249                                   ADK 
 TNA  ePn     02:15:17.62   0.9    9.8 346 d:7.5+1     7.7X L:3.0-2 .78 4.2X TNA 
                                           b:2.0+1 .78 4.6 
 MCK  ePn     02:15:19.46  -0.2   10.0  36 b:1.3+1 .90 4.3                   MCK 
 PAX  ePn     02:15:28.08  -1.9   10.8  44                                   PAX 
      eSn     02:17:23.77  S res =  -6.1X
 IMA2 ePn     02:15:29.58   1.1   10.6  19                                   IMA2
 COLA ePn     02:15:32.70  -1.5   11.1  33 b:6.0+0 .75 4.1                   COLA
 MENT ePn     02:15:37.12  -1.6   11.4  47                                   MENT
 PNL  ePn     02:15:51.13  -1.2   12.5  65 b:3.7+1 .62 5.0                   PNL 
 COLD ePn     02:15:51.22   1.2   12.3  22 b:1.2+1 .52 4.6                   COLD
      eP      02:15:55.29   0.7X
 EGAK ePn     02:16:02.65   0.1   13.3  42 b:3.0+1 .78 4.8                   EGAK
      eP      02:16:04.89  -0.7X
 DAWY ePn     02:16:06.51  -0.5   13.7  46                                   DAWY
      eP      02:16:09.82   0.3X
 SKAG eP      02:16:18.53   0.6   14.6  66 b:3.4+1 .72 4.8                   SKAG
 FX1  P       02:16:19.40  -0.2   14.7 267                                   FX1 
      S       02:19:04.43  S res =   0.8X
 DLBC eP      02:16:51.75   1.6   17.4  69                                   DLBC
 INK  eP      02:16:52.14  -1.9   17.7  36 b:2.1+1 .83 4.6                   INK 
 PETK P       02:17:50.22  -0.4   23.2 279                                   PETK
      pP      02:18:29.83  depth = 208.6X
 YKA  P       02:18:01.50  -0.7   24.5  56                                   YKA 
      pP      02:18:40.90  depth = 202.7X
      PcP     02:21:34.24  -0.6X
      ScP     02:24:53.19  -2.0X
 OD2  eP      02:18:31.18  -1.1   27.8  90 b:7.0+0 .94 4.4                   OD2 
 NEW  eP      02:18:36.44   0.6   28.2  87 b:5.7+0 .80 4.4                   NEW 
 BSMT eP      02:18:49.98   0.5   29.8  86 b:2.9+0 .78 4.1                   BSMT
 JTMT eP      02:18:53.32   0.9   30.1  86 b:1.1+1 .88 4.6                   JTMT
 YBMT eP      02:18:53.52   0.4   30.2  85 b:1.0+1 .66 4.7                   YBMT
 MSO  eP      02:18:57.43  -1.3   30.8  87                                   MSO 
 RES  eP      02:18:58.56  -1.1   31.0  28 b:1.4+0 .59 3.9                   RES 
 WVOR eP      02:19:00.57   0.7   30.9  98 b:3.2+0 .67 4.2                   WVOR
 HRY  eP      02:19:10.44   0.8   32.1  86 b:9.5+0 .62 4.6                   HRY 
 EGMT eP      02:19:13.26   0.3   32.5  82 b:7.1+0 .80 4.4                   EGMT
 HLID eP      02:19:14.72   0.7   32.6  92 b:3.6+0 .95 4.0                   HLID
 MCMT eP      02:19:15.48   0.7   32.6  89 b:1.1+0 .44 3.8                   MCMT
 BOZ  eP      02:19:17.06   0.9   32.8  87 b:2.2+0 .65 4.0                   BOZ 
 FFC  eP      02:19:18.17  -0.8   33.2  67 b:2.7+0 .65 4.0                   FFC 
 QLMT eP      02:19:22.29   0.7   33.4  88 b:2.5+0 .64 4.0                   QLMT
 NVAR P       02:19:27.08   1.3   33.9 103                                   NVAR
 YFT  eP      02:19:27.09   0.6   34.0  88 b:1.3+1 .94 4.6                   YFT 
 ELK  eP      02:19:27.63   1.3   34.0  97 b:1.7+0 .75 3.8                   ELK 
 IMW  eP      02:19:29.45   0.4   34.3  89 b:3.8+0 .83 4.1                   IMW 
 TPAW eP      02:19:31.67   0.5   34.5  90 b:2.2+0 .81 3.9                   TPAW
 RLMT eP      02:19:31.75   1.7   34.4  86 b:1.3+1 1.1 4.5                   RLMT
 LOHW eP      02:19:32.61   0.5   34.7  89 b:3.8+0 .90 4.0                   LOHW
 FCC  eP      02:19:35.32  -1.1   35.2  57                                   FCC 
 LAO  eP      02:19:37.17   0.7   35.2  82 b:4.3+0 .48 4.4                   LAO 
 DUG  eP      02:19:41.27   0.3   35.7  95 b:3.7+0 .91 4.0                   DUG 
 BW06 eP      02:19:42.12   0.3   35.8  89 b:1.9+0 .43 4.1                   BW06
 PDAR P       02:19:42.50   0.7   35.8  89                                   PDAR
 DAU  eP      02:19:48.55   1.3   36.4  94                                   DAU 
 MSU  eP      02:19:55.23   1.3   37.2  97 b:1.9+0 .62 3.9                   MSU 
 SRU  eP      02:19:59.10   1.0   37.7  95 b:1.6+1 .84 4.7                   SRU 
 RSSD eP      02:20:00.48   0.2   38.0  83 b:6.1+0 .60 4.4                   RSSD
 ULM  P       02:20:04.50  -1.3   38.7  70                                   ULM 
 SDCO eP      02:20:29.42   0.2   41.5  92 b:2.3+0 .65 3.9                   SDCO
 EYMN eP      02:20:35.38  -0.7   42.4  70 b:9.5+0 .75 4.4                   EYMN
 CBKS eP      02:20:47.95  -0.7   43.9  86 b:1.0+1 .70 4.5                   CBKS
 MNTX eP      02:21:05.23   0.3   46.0  98 b:3.1+0 .66 3.9                   MNTX
 WMOK eP      02:21:15.15  -0.6   47.4  89 b:4.8+0 .65 4.1                   WMOK
 TXAR P       02:21:26.60   0.3   48.7  98                                   TXAR
      PcP     02:22:48.19   0.0X
 SCHQ P       02:21:31.17  -1.8   49.7  49                                   SCHQ
 JCT  eP      02:21:34.93  -0.8   50.0  94 b:6.7+0 .58 4.4                   JCT 
 WVT  eP      02:21:52.70  -1.0   52.4  79 b:3.0+0 .44 4.3                   WVT 
 OXF  eP      02:21:54.82  -1.3   52.8  82 b:2.0+1 .40 5.1                   OXF 
 ZALV P       02:22:28.58   0.2   57.3 320                                   ZALV
 FINESP       02:23:02.13  -1.1   62.5 356                                   FINE
 BVAR P       02:23:05.36  -0.7   62.9 327                                   BVAR
 NOA  P       02:23:05.46  -1.0   62.9   4                                   NOA 
 AKASGP       02:24:06.88  -2.3   73.0 352                                   AKAS



 Generated 2008 APR  6 at 05:42 UTC

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


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