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Earthquake Hazards Program
Phase Data

Explanation of Parameters


      3 AUG 2008  (216)

     ot  = 09:44:28.97   +/-   0.24              SOUTHEASTERN ALASKA             
     lat =      58.784   +/-    5.5
     lon =    -137.727   +/-    4.5              MAGNITUDE 4.1 (GS)       
     dep =        10.0  (geophysicist)

     125 km (75 miles) WNW of Gustavus, Alaska (pop 400)
     145 km (90 miles) SE of Yakutat, Alaska (pop 600)
     200 km (125 miles) WNW of JUNEAU, Alaska
     1425 km (880 miles) NW of Vancouver, British Columbia, Canada

     nph =   80 of  89    se = 1.21    FE=019                            A   

     error ellipse = (217.4,  0.0,  8.8;127.4,  0.0,  3.1;  0.0,  0.0,  0.0)

 mb = 4.1 ( 45)  ML = 4.4 (  4)  mblg = 0.0 (  0)  md = 4.4 (  2)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 PNL  ePn     09:44:50.32  -2.0    1.2 317 L:1.1+1 .62 4.3                   PNL 
      eSn     09:45:10.05  S res =   1.0X
 SKAG ePg     09:44:50.70  -5.3X   1.4  60 d:4.8+2     4.8  L:8.3+0 .44 4.2  SKAG
      eSn     09:45:08.35  S res =  -4.9X
 YKU2 ePn     09:44:51.59  -0.7    1.2 307 d:1.8+2     3.9                   YKU2
 HYT  ePn     09:45:02.73  -0.9    2.1   3                                   HYT 
 DLBC ePn     09:45:28.04  -2.9    4.0  92                                   DLBC
 CRAG ePn     09:45:29.70  -2.8    4.2 141 L:8.3-1 1.6 4.5                   CRAG
      eSg     09:46:32.50  S res = -10.0X
 BMRM ePn     09:45:31.91   0.2    4.1 305 L:8.4-1 .62 4.5                   BMRM
      eS      09:46:28.03  S res =  -2.7X
 DIV  ePn     09:45:39.72   0.1    4.7 304                                   DIV 
 MENT ePn     09:45:47.71   2.4    5.1 327 d:2.2+2     5.6X                  MENT
      ePg     09:46:03.44  -3.0X
 DAWY ePn     09:45:48.86  -0.1    5.4 352                                   DAWY
 PAX  ePn     09:45:54.14   1.2    5.6 321 d:1.8+2     5.6X L:4.5-2 .64 3.6X PAX 
                                           b:2.0+1 .50 5.0X
 SEW  ePn     09:45:58.06  -1.3    6.1 287 d:2.1+2     6.0X L:3.3-2 .50 3.6X SEW 
                                           b:1.3+1 .40 5.1X
 EGAK ePn     09:46:01.13   0.3    6.2 346 d:5.0+2     6.7X L:4.0-1 1.1 4.7X EGAK
                                           b:1.2+2 .58 5.9X
 PMR  ePn     09:46:02.88   0.5    6.3 301 d:2.5+2     6.2X L:7.4-2 .76 4.0X PMR 
                                           b:2.3+1 .44 5.4X
 RC01 ePn     09:46:03.90  -0.1    6.5 296 d:1.8+2     6.0X L:1.2-1 .70 4.2X RC01
                                           b:3.4+1 .46 5.6X
 MCK  ePn     09:46:17.19   1.2    7.3 317                                   MCK 
 TRF  ePn     09:46:21.58   0.9    7.7 313 L:1.7-1 .78 4.6X b:2.9+0 .86 4.5X TRF 
 KDAK ePn     09:46:21.83  -1.8    7.9 269                                   KDAK
 COLA P       09:46:22.24   0.5    7.8 326 d:4.1+2     7.2X L:8.8-2 1.2 4.3X COLA
                                           b:2.1+1 1.0 5.3X
 RSO  ePn     09:46:22.37  -0.2    7.8 289                                   RSO 
 PPLA e       09:46:28.42   0.8    8.2 306 L:1.0-1 1.4 4.4X b:8.5+0 1.0 4.9X PPLA
 BPAW P       09:46:28.66  -0.3    8.3 316 L:2.4-2 .46 3.8X b:2.6+0 .94 4.5X BPAW
 OHAK P       09:46:28.83  -1.9    8.4 266 d:1.7+2     6.7X L:7.6-2 .36 4.4X OHAK
                                           b:3.7+1 .36 6.1X
 TTA  ePn     09:46:48.95  -1.2    9.8 303                                   TTA 
 INK  ePn     09:46:49.16   0.3    9.7   9                                   INK 
 COLD P       09:46:56.58   1.8   10.2 332 b:1.3+1 1.0 5.3X                  COLD
 CHGN ePn     09:47:12.35   1.0   11.4 266                                   CHGN
 EDM  ePn     09:47:53.54  -3.0   14.7 102                                   EDM 
 JCW  P       09:47:57.45   8.4X  14.1 132 b:2.0+1 1.2 4.7X                  JCW 
 ETW  ePn     09:48:04.50   0.4   15.2 130                                   ETW 
 LON  eP      09:48:10.16   4.3X  15.4 135 b:1.7+1 .96 4.3                   LON 
 NEW  eP      09:48:16.96   1.9   16.1 122 b:5.8+0 1.0 3.6                   NEW 
 HAWA eP      09:48:19.51  -1.4   16.5 131 b:2.2+0 .79 3.3                   HAWA
 WALA eP      09:48:28.56   2.1   17.0 115 b:1.5-1 .90 2.1X                  WALA
 LNOR         09:48:32.65   0.1   17.5 129                                   LNOR
 SWMT P       09:48:40.97   1.2   18.1 118 b:4.4+0 1.2 3.5                   SWMT
 SLMT ePn     09:48:44.99  -0.1   18.5 118                                   SLMT
 MSO  ePn     09:48:46.32   0.0   18.6 120 b:4.3+0 1.0 3.6                   MSO 
 BMO  ePn     09:48:47.18  -0.5   18.7 129 b:8.6+0 1.5 3.7                   BMO 
 CHMT ePn     09:48:49.25  -0.2   18.8 118                                   CHMT
 HRY  eP      09:48:56.68  -1.0   19.6 117                                   HRY 
 EGMT eP      09:48:57.47  -0.7   19.7 111 b:1.1+1 1.0 4.1                   EGMT
 FFC  eP      09:48:57.81  -2.0   19.9  86 b:9.2+0 1.1 4.0                   FFC 
 LRM  eP      09:48:57.92  -4.0X  20.0 119                                   LRM 
 YBH  ePn     09:48:59.10   1.7   19.5 144 b:9.7+1 2.6 4.6                   YBH 
 WVOR P       09:49:04.22   0.0   20.2 136 b:9.8+0 1.0 4.1                   WVOR
 MOD  ePn     09:49:04.30  -0.5   20.1 139 b:8.6+0 .95 4.1                   MOD 
 DLMT P       09:49:05.83   0.9   20.3 120 b:6.0+0 .88 3.9                   DLMT
 MCMT P       09:49:08.18  -0.2   20.6 122 b:3.3+0 1.0 3.6                   MCMT
 WDC  ePn     09:49:10.19  -0.2   20.6 145 b:1.1+1 .95 4.2                   WDC 
 HLID eP      09:49:11.56  -0.4   20.9 126 b:4.2+0 .80 3.9                   HLID
 GCMT P       09:49:16.36   0.3   21.3 115 b:4.5+0 1.2 3.7                   GCMT
 YMR  P       09:49:20.34   1.6   21.6 119 b:1.5+1 .66 4.5                   YMR 
 RLMT eP      09:49:23.21   0.0   22.0 116 b:7.0+0 1.0 4.0                   RLMT
 FLWY eP      09:49:26.95   2.0   22.2 120 b:2.2+1 1.6 4.4                   FLWY
 IMW  eP      09:49:27.20   1.8   22.2 120 b:1.8+1 .95 4.5                   IMW 
 DCID1eP      09:49:27.50   0.9   22.3 121 b:2.5+1 1.0 4.6                   DCID
 MOOW eP      09:49:27.50   0.0   22.4 120 b:1.2+1 1.3 4.2                   MOOW
 PAHR eP      09:49:28.33   0.9   22.4 140 b:1.7+1 1.2 4.4                   PAHR
 TPAW eP      09:49:28.90   0.2   22.5 121 b:2.2+1 1.2 4.5                   TPAW
 LOHW eP      09:49:29.03  -0.3   22.6 120 b:5.7+0 1.0 4.0                   LOHW
 SNOW eP      09:49:30.20   0.3   22.6 121 b:7.4+0 1.0 4.1                   SNOW
 REDW eP      09:49:30.44   0.2   22.7 121 b:8.2+0 1.1 4.1                   REDW
 M13A P       09:49:34.05   1.5   22.9 129 b:3.8+0 .95 3.9                   M13A
 HWUT eP      09:49:40.83  -0.7   23.8 125 b:1.7+1 1.7 4.4                   HWUT
 BW06 P       09:49:41.12   0.0   23.7 120 b:5.4+0 1.3 3.9                   BW06
 DUG  eP      09:49:48.28   0.8   24.4 129 b:9.1+0 1.0 4.4                   DUG 
 JLU  P       09:49:50.19   0.6   24.6 126 b:4.0+0 .90 4.1                   JLU 
 RSSD eP      09:49:54.27  -1.0   25.3 111 b:6.0+0 1.1 4.2                   RSSD
 MSU  eP      09:50:02.77  -0.2   26.1 130                                   MSU 
 SRU  P       09:50:03.88  -0.5   26.3 127 b:3.0+0 1.0 3.9                   SRU 
 CCUT P       09:50:05.87  -0.4   26.5 133 b:1.4+1 1.7 4.4                   CCUT
 PHWY eP      09:50:11.30   2.6   26.7 117 b:6.0+0 1.0 4.2                   PHWY
 GSC  P       09:50:14.45   1.3   27.2 140 b:8.3+0 1.1 4.3                   GSC 
 PV01 P       09:50:18.09  -1.2   27.9 125 b:5.2+2 1.0 6.3X                  PV01
 ECSD P       09:50:28.95  -1.9   29.2 103 b:1.7+0 .83 3.9                   ECSD
 ANMO P       09:50:51.94   0.8   31.5 125 b:4.0+0 1.4 4.1                   ANMO
 LAZ  P       09:50:53.30   0.6   31.7 127 b:1.3+0 .96 3.8                   LAZ 
 BNM  P       09:50:57.00   0.4   32.1 126 b:3.7+0 1.0 4.3                   BNM 
 KSU1 eP      09:51:00.28  -1.0   32.7 109 b:1.4+1 .85 4.9                   KSU1
 GDL2 P       09:51:19.14  -0.3   34.8 125 b:4.1+1 .82 5.3X                  GDL2
 WMOK eP      09:51:21.17  -1.3   35.1 116 b:5.5+0 .75 4.5                   WMOK
 ABKARP       09:55:47.20  -1.3   71.4 348 b:8.7+0 .93 4.9                   ABKA
 EKS2 P       09:56:13.62  -0.1   75.6 337 b:9.4+0 .88 4.9                   EKS2



 Generated 2008 AUG  3 at 10:03 UTC

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


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