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Earthquake Activity


Phase Data

Explanation of Parameters

     16 AUG 2004  (229)

     ot  = 21:05:54.00   +/-   0.00         WASHINGTON
     lat =      46.684   +/-    0.0
     lon =    -121.504   +/-    0.0              MAGNITUDE 4.0 (SEA)
     dep =         6.8   +/-    0.0

     15 km (10 miles) NE of Packwood, Washington (pop 1,000)
     70 km (45 miles) SSE of Enumclaw, Washington (pop 7,000)
     115 km (70 miles) ESE of OLYMPIA, Washington (pop 42,000)
     120 km (75 miles) SSE of Seattle, Washington (pop 563,000)

     MD 4.0 (SEA). Felt (IV) at Packwood.

     nph =   39 of  39    se = 0.00    FE=029                            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 = 3.9 (  9)  mblg = 0.0 (  0)  md = 4.4 ( 10)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 LON  eP      21:05:58.15  -0.3    0.2 288 d:3.3+2     4.6                   LON
 SHW  eP      21:06:06.93  -0.7    0.7 226 d:2.4+2     4.3                   SHW
 RMW  eP      21:06:08.65  -0.8    0.8 345 d:2.0+2     4.0                   RMW
 BMW  eP      21:06:15.50  -1.7    1.2 261 d:2.6+2     4.3                   BMW
 GNW  eP      21:06:15.72  -2.3    1.3 315 d:2.6+2     4.4                   GNW
 VGB  eP      21:06:16.85  -1.4    1.3 156 d:2.9+2     4.5                   VGB
 HAWA ePc     21:06:18.68  -1.2    1.4 101 d:3.6+2     4.7  L:2.2+0 .70 3.6  HAWA
 NLW  eP      21:06:22.25  -0.7    1.6  29 d:3.1+2     4.6                   NLW
 RPW  eP      21:06:24.71  -0.3    1.8 360 d:3.1+2     4.6                   RPW
 SSOR ePn     21:06:27.78   0.2    1.9 200 d:2.1+2     4.1                   SSOR
 OCWA ePn     21:06:30.12   0.3    2.1 301 d:1.4+2     3.6X L:1.1+0 .33 3.7  OCWA
 PGC  ePn     21:06:32.89  -0.3    2.4 327 d:1.5+2     3.6X L:1.9+0 .68 4.1  PGC
 LNOR eP      21:06:33.01  -0.4    2.4 109 d:3.2+2     4.6X                  LNOR
 DPW  ePn     21:06:34.61  -1.1    2.5  61 d:3.0+2     4.5X                  DPW
 COR  ePn     21:06:34.73   0.4    2.4 212 d:1.6+2     3.8X L:1.9+0 .65 4.1  COR
 NEW  ePn     21:06:45.49  -1.6    3.4  60 d:2.7+2     4.4X L:1.4+0 .58 4.5  NEW
 HSO  ePn     21:06:48.62   1.7    3.4 200 d:1.9+2     3.9X                  HSO
 KEBM ePn     21:07:00.29   0.2    4.3 209 d:1.9+2     4.0X                  KEBM
 HUMO ePn     21:07:00.66   2.2    4.2 195 d:2.0+2     4.1X                  HUMO
 WVOR ePn     21:07:06.10   0.4    4.7 153 d:2.4+2     4.3X L:1.0-1 .98 3.8  WVOR
 MOD  qPn     21:07:07.11  -0.5    4.9 169 d:1.7+2     3.8X L:6.7-2 .90 3.6  MOD
 KBO  qPn     21:07:08.79   1.0    4.9 205                                   KBO
 MSO  ePn     21:07:10.13  -2.2    5.2  86 d:2.5+2     4.3X L:2.0-1 .95 4.2  MSO
 YBH  ePn     21:07:12.16   2.3    5.0 190 d:1.9+2     3.9X L:3.5-2 .98 3.4  YBH
 KRMB ePn     21:07:13.27  -2.4    5.4 199 d:1.6+2     3.7X                  KRMB
 CHMT ePn     21:07:16.85  -2.0    5.7  85                                   CHMT
 HLID ePn     21:07:21.76  -0.3    5.9 119 L:5.0-2 .89 3.7X                  HLID
 KHMM qPn     21:07:25.39   1.7    6.0 196 d:7.0+1     2.7X                  KHMM
 WDC  qPn     21:07:26.02   0.8    6.1 187 d:5.5+1     2.4X L:9.7-3 .58 3.1X WDC
 HRY  ePn     21:07:31.08  -1.2    6.7  86 d:3.0+2     4.5X                  HRY
 BOZ  ePn     21:07:35.40  -0.8    6.9  95 d:2.5+2     4.3X L:6.6-2 .78 4.0X BOZ
 BEKR qPn     21:07:35.54   0.3    6.9 173 d:9.0+1     3.0X L:1.3-2 .86 3.3X BEKR
 QLMT ePn     21:07:40.82  -0.2    7.3 101 d:6.0+1     2.5X                  QLMT
 OHCM qPn     21:07:44.88   3.3    7.3 180 d:3.8+1     2.0X                  OHCM
 YMR  qPn     21:07:48.46   2.4    7.7 101 d:3.8+0    -0.8X                  YMR
 TPAW qPn     21:07:52.91   0.4    8.1 109 d:4.3+1     2.2X                  TPAW
 MOOW ePn     21:07:53.20   0.4    8.1 107 d:5.6+1     2.5X                  MOOW
 HVU  qPn     21:07:54.52   4.3    8.0 125 d:6.3+0    -0.2X                  HVU
 DUG  qPn     21:08:06.05   0.8    9.1 133 d:2.2+1     1.3X L:6.3-3 .78 3.4X DUG



 Generated 2004 AUG 16 at 21:39 UTC

 

First Government graphic