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Earthquake Hazards Program
Phase Data

Explanation of Parameters


      5 AUG 2008  (218)

     ot  = 09:58:47.27   +/-   0.53              SOUTHEASTERN ALASKA             
     lat =      58.759   +/-    7.5
     lon =    -137.413   +/-    6.2              MAGNITUDE 4.1 (GS)       
     dep =        10.0  (geophysicist)

     105 km (65 miles) WNW of Gustavus, Alaska (pop 400)
     145 km (90 miles) WSW of Skagway, Alaska (pop 800)
     180 km (115 miles) WNW of JUNEAU, Alaska
     1410 km (870 miles) NW of Vancouver, British Columbia, Canada

     nph =   17 of  33    se = 1.20    FE=019                            A   

     error ellipse = (214.4,  0.0, 11.2;124.4,  0.0,  6.3;  0.0,  0.0,  0.0)

 mb = 0.0 (  0)  ML = 4.1 (  6)  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
 PNL  ePn     09:59:10.79  -1.7    1.4 313 d:3.3+2     4.5  L:8.1+0 .48 4.2  PNL 
      eSn     09:59:29.58  S res =  -1.1X
 SKAG ePn     09:59:11.06  -0.2    1.3  56 d:2.4+2     4.2  L:4.4+0 .52 3.8  SKAG
      eS      09:59:24.54  S res =  -3.5X
 YKU2 ePn     09:59:11.59  -1.0    1.4 304 d:1.6+2     3.9                   YKU2
      eSn     09:59:29.19  S res =  -1.8X
 SIT  ePn     09:59:19.84  -1.7    2.0 146 d:2.5+2     4.5X L:2.7+0 .60 4.1  SIT 
      ePg     09:59:24.95  -1.4X
      eSg     09:59:52.58  S res =  -0.2X
 DLBC ePn     09:59:47.40   0.4    3.9  92 d:3.2+2     5.4X                  DLBC
      eSg     10:00:47.39  S res =  -4.3X
 CRAG ePn     09:59:49.66   0.5    4.0 143 d:2.1+2     5.1X L:2.7-1 .80 4.0  CRAG
      eSg     10:00:53.88  S res =  -3.1X
 BMRM ePn     09:59:51.62  -0.4    4.2 304 d:3.4+2     5.6X L:3.1-1 .48 4.1  BMRM
 DIV  eP      09:59:58.80  -1.2    4.8 303 d:1.5+2     5.1X L:2.0-1 .72 4.1  DIV 
      eSn     10:00:57.11  S res =   1.2X
 MID  qPn     10:00:01.07   3.6X   4.7 282                                   MID 
 MENT ePn     10:00:05.32   0.2    5.2 326 d:1.1+1     3.0X                  MENT
 DAWY ePn     10:00:08.62   0.7    5.4 351 d:3.7+2     6.2X                  DAWY
      eSn     10:01:08.39  S res =  -1.8X
 PAX  ePn     10:00:14.14   1.2    5.8 320 d:2.3+2     5.9X L:9.0-2 1.4 4.0X PAX 
 PMR  ePn     10:00:18.60  -4.2X   6.5 301 d:2.6+2     6.3X L:1.6-1 1.0 4.3X PMR 
                                           b:1.5+2 1.0 5.9X
 SEW  ePn     10:00:18.67  -1.3    6.3 288 d:1.8+2     5.9X L:2.4-1 1.3 4.5X SEW 
      eSn     10:01:27.64  S res =  -4.1X  b:3.4+2 1.3 6.0X
 EGAK ePn     10:00:21.03   1.0    6.3 345 d:3.4+2     6.4X L:1.5-1 .85 4.3X EGAK
      eSn     10:02:00.48  S res =  28.6X  b:7.1+1 .83 5.6X
 RC01 ePn     10:00:26.88   2.4X   6.6 296                                   RC01
      eSn     10:01:34.87  S res =  -5.1X
 TTA  qPn     10:01:10.12  -0.4   10.0 303                                   TTA 
 CHGN qPn     10:01:33.55   1.7   11.5 267                                   CHGN
 PGC  qPn     10:01:52.62   0.2   13.0 135                                   PGC 
 SDPT qPn     10:01:53.48   1.9   13.0 265                                   SDPT
 BSMT ePn     10:02:44.60  -4.0X  17.3 119                                   BSMT



 Generated 2008 AUG  5 at 15:33 UTC

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


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