Phase Data

Explanation of Parameters


     31 JAN 2013  ( 31)

     ot  = 01:03:17.20   +/-   0.00         WASHINGTON                      
     lat =      45.919   +/-    0.0
     lon =    -122.409   +/-    0.0              MAGNITUDE 3.7 (SEA)      
     dep =         7.6   +/-    0.0   

     37 km (23 miles) NNE of Vancouver, Washington (pop 46,000)
     48 km (30 miles) ESE of Longview, Washington (pop 31,000)
     49 km (30 miles) NNE of Portland, Oregon (pop 529,000)
     130 km (81 miles) SSE of OLYMPIA, Washington (pop 42,000)
 
     ML 3.7 (SEA). Felt in the Amboy-Vancouver area.

     nph =   37 of  38    se = 0.00    FE=028                            held

     error ellipse = (  0.0,  0.0,  0.0;  0.0,  0.0,  0.0;  0.0,  0.0,  0.0)

 mb = 0.0 (  0)  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
 LON  ePg     01:03:33.84  -1.2    0.9  26                                   LON 
      eSn     01:03:47.01  S res =  -3.2 
 H04A ePn     01:03:38.72  -2.3    1.3 173                                   H04A
      eSn     01:03:55.03  S res =  -3.0 
 COR  ePn     01:03:42.58  -1.5    1.5 206                                   COR 
      eSn     01:04:01.34  S res =  -2.2 
 F07A ePn     01:03:47.00  -0.6    1.7  90                                   F07A
      eSn     01:04:09.69  S res =  -0.3 
 NLWA ePn     01:03:47.66  -0.7    1.8 326                                   NLWA
      eSn     01:04:10.93  S res =  -0.3 
 LTY  ePn     01:03:48.38  -0.2    1.8  41                                   LTY 
      eSn     01:04:10.76  S res =  -0.9 
 E07A ePn     01:03:49.42  -0.3    1.9  69                                   E07A
      eSn     01:04:11.51  S res =  -2.2 
 HAWA ePn     01:03:51.79  -0.3    2.0  76                                   HAWA
 PINE ePn     01:03:56.01  -0.6    2.4 153                                   PINE
 E08A ePn     01:03:56.65  -0.1    2.4  75                                   E08A
 G08A ePn     01:03:59.00   0.7    2.5 103                                   G08A
 D08A ePn     01:04:00.07  -0.4    2.7  64                                   D08A
 I07A ePn     01:04:01.65  -0.2    2.8 131                                   I07A
 B06A ePn     01:04:01.82   1.2    2.7  13                                   B06A
 PGC  ePn     01:04:02.76   0.2    2.8 346                                   PGC 
 B08A ePn     01:04:08.02  -0.1    3.2  40                                   B08A
 E09A ePn     01:04:08.95   3.6    3.0  77                                   E09A
 C09A ePn     01:04:10.10  -0.5    3.4  55                                   C09A
 HUMO ePn     01:04:11.17   1.5    3.3 187                                   HUMO
 F10A ePn     01:04:16.52   2.9    3.6  87                                   F10A
 KEBM ePg     01:04:16.97   0.2    3.3 205                                   KEBM
 YBH  ePn     01:04:22.32   0.8    4.2 183                                   YBH 
 BMO  ePg     01:04:24.84   1.1    3.8 105                                   BMO 
 MOD  ePn     01:04:26.06   3.1    4.3 159                                   MOD 
 J08A ePg     01:04:28.17   3.6    3.8 131                                   J08A
 NEW  ePn     01:04:28.34   5.3    4.3  55                                   NEW 
 LLLB ePn     01:04:29.87   1.3    4.7   4                                   LLLB
 WVOR ePg     01:04:37.06   2.0    4.4 141                                   WVOR
 MFID ePg     01:04:47.25  -3.2    5.3 116                                   MFID
      eLg     01:06:07.42  -3.7X
 LRM  eSg     01:06:45.17   0.2    7.1  78                                   LRM 



 Generated 2013 JAN 31 at 01:32 UTC

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