Phase Data

Explanation of Parameters


     20 FEB 2011  ( 51)

     ot  = 15:15:00.00   +/-   0.00        ARKANSAS                        
     lat =      35.260   +/-    0.0
     lon =     -92.375   +/-    0.0              MAGNITUDE 3.7 (CERI)     
     dep =         5.2   +/-    0.0   

     20 km (10 miles) NNE of Conway, Arkansas (pop 43,000)
     60 km (35 miles) N of LITTLE ROCK, Arkansas (pop 183,000)
     60 km (35 miles) W of Searcy, Arkansas (pop 18,000)
     70 km (45 miles) E of Russellville, Arkansas (pop 23,000)
 
     mbLg 3.7 (CERI). Felt in the Greenbrier area.

     nph =   65 of 111    se = 0.00    FE=502                            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 = 3.7 ( 32)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 WHAR ePg     15:15:01.88   0.1    0.1  67                                   WHAR
 MIAR ePg     15:15:22.26  -1.0    1.2 234 g:7.0-2 .88 2.7                   MIAR
      eS      15:15:38.91  S res =  -0.2X
 CCAR ePn     15:15:25.98  -0.6    1.4 159 g:3.1-1 1.1 3.3                   CCAR
 HBAR ePn     15:15:26.13  -0.5    1.4  78                                   HBAR
 QUAR ePn     15:15:26.84  -0.2    1.5  74                                   QUAR
 HHAR ePn     15:15:29.62   0.2    1.6 309 g:2.6-1 .76 3.5                   HHAR
 WLAR ePn     15:15:29.76  -0.3    1.7 201 g:1.1-1 .76 3.1                   WLAR
 SFTN ePn     15:15:33.35  -0.1    1.9  86                                   SFTN
      eSn     15:16:00.32  S res =   2.3X
 MET  ePn     15:15:34.12  -0.3    2.0  93 g:8.5-1 .70 4.1                   MET 
      eSn     15:15:59.66  S res =  -0.2X
 DLAR ePn     15:15:35.64   1.1    2.0  73                                   DLAR
      eSn     15:16:02.56  S res =   2.6X
 GNAR ePn     15:15:35.67   0.6    2.0  69                                   GNAR
 PBMO ePn     15:15:38.20   1.2    2.2  46 g:6.5-1 .98 3.9                   PBMO
 CWPT ePn     15:15:40.18   0.8    2.4  71                                   CWPT
      ePb     15:15:43.11   0.1X
 EBZ  ePn     15:15:41.19   0.2    2.5  92                                   EBZ 
 WADM ePn     15:15:41.83   2.3    2.4  61                                   WADM
 OXF  ePn     15:15:41.93   0.0    2.5 106                                   OXF 
      eSn     15:16:12.74  S res =  -0.6X
 HALT ePn     15:15:42.14   0.1    2.6  74                                   HALT
 PARMOePn     15:15:42.42   0.5    2.5  56                                   PARM
 RELT ePn     15:15:44.12   1.2    2.6  72                                   RELT
      ePg     15:15:48.86  -1.3X
 GLAT ePn     15:15:44.76   0.6    2.7  67                                   GLAT
      ePb     15:15:49.88   1.0X
 GLST ePn     15:15:45.61   1.5    2.7  67                                   GLST
      ePb     15:15:48.25  -0.6X
      ePg     15:15:50.74  -1.1X
 TUL1 ePn     15:15:46.88   0.6    2.9 284 g:1.4-1 .70 3.5                   TUL1
 UTMT qPn     15:15:49.79   0.9    3.1  68 d:1.7+2     4.8X g:2.5-1 .80 3.7  UTMT
      ePg     15:15:55.89  -2.6X
      eSg     15:16:35.81  S res =  -2.2X
 SIUC ePn     15:15:56.39   0.9    3.5  45 g:3.3-1 .88 3.8                   SIUC
 V34A ePn     15:16:04.63  -0.5    4.2 279 g:5.0-2 .70 3.2                   V34A
 U34A ePn     15:16:06.31  -0.5    4.4 287                                   U34A
      eSg     15:17:15.39  S res =  -4.4X
 W34A ePn     15:16:07.13  -0.6    4.4 271 g:7.0-2 .82 3.3                   W34A
      ePg     15:16:20.88  -3.8X
 SLM  ePg     15:16:08.92  -3.5    3.8  26 g:6.8-1 1.2 4.0                   SLM 
      eSg     15:16:56.56  S res =  -4.8X
 USIN ePn     15:16:11.29   0.4    4.7  53 g:2.6-1 1.1 3.8                   USIN
 OLIL ePn     15:16:12.75  -1.1    4.9  43 g:4.6-1 1.1 4.0                   OLIL
 LRAL ePn     15:16:14.96  -0.4    5.0 115 g:9.0-2 .77 3.5                   LRAL
 KSU1 ePn     15:16:17.04  -0.2    5.1 320 g:3.0-1 .85 4.0                   KSU1
 SWET ePn     15:16:19.94   0.5    5.3  89 g:1.1-1 .88 3.6                   SWET
 WMOK ePn     15:16:20.17   0.6    5.3 266 g:6.0-2 .80 3.4                   WMOK
 WHTX ePn     15:16:20.26  -0.2    5.3 234                                   WHTX
 WCI  ePn     15:16:25.82   0.4    5.7  57 g:1.2-1 .70 3.8                   WCI 
 HDIL ePn     15:16:27.03   0.1    5.8  24 g:4.5-1 .93 4.3                   HDIL
      eSn     15:17:29.97  S res =  -4.1X
 BLO  ePn     15:16:30.44  -0.1    6.1  48 g:2.7-1 1.0 4.0                   BLO 
      eSg     15:18:07.18  S res =  -8.2X
 ABTX qPn     15:16:33.56  -4.0    6.6 249                                   ABTX
 CPCT ePn     15:16:35.92   0.7    6.4  86                                   CPCT
 SCIA ePn     15:16:38.84   0.3    6.7 355                                   SCIA
      eSg     15:18:27.28  S res =  -6.8X
 SFIN ePn     15:16:39.04   1.4    6.6  38 g:2.5-1 .80 4.2                   SFIN
 CBKS ePn     15:16:40.96  -0.5    6.9 303                                   CBKS
 TKL  ePn     15:16:42.99  -0.6    7.0  84 g:8.0-2 .90 3.7                   TKL 
      eSn     15:18:06.10  S res =   2.2X
 TZTN ePn     15:16:46.50  -0.5    7.3  77                                   TZTN
 AMTX ePn     15:16:51.23  -0.8    7.6 270                                   AMTX
 BGNE ePn     15:16:51.53  -0.3    7.6 325                                   BGNE
 GOGA ePn     15:16:51.62   0.3    7.6 102                                   GOGA
 JCT  ePn     15:16:53.62  -1.3    7.9 235                                   JCT 
 JFWS ePn     15:16:54.17  -0.2    7.8  12                                   JFWS
 MSTX qPn     15:17:05.10  -1.0    8.7 264 g:3.0-2 1.1 3.3                   MSTX
 ACSO ePn     15:17:08.67  -1.1    8.9  54 g:6.0-2 .75 3.8                   ACSO
 KMSC ePn     15:17:10.03  -1.1    9.0  88 g:3.0-2 .70 3.5                   KMSC
 ECSD ePn     15:17:10.72  -0.9    9.1 340 g:3.0-2 .80 3.5                   ECSD
 JSC  ePn     15:17:12.30  -1.0    9.2  93 g:4.0-2 .83 3.6                   JSC 
 OGNE ePn     15:17:17.11  -0.3    9.5 310 g:9.0-2 .77 4.0                   OGNE
 T25A ePn     15:17:20.80  -2.4    9.9 284 g:1.1-1 .93 4.0                   T25A
 BLA  ePn     15:17:21.37  -0.9    9.9  75 g:5.0-2 .82 3.7                   BLA 
 SPMN ePn     15:17:22.05  -1.6   10.0 358 g:6.0-2 1.1 3.7                   SPMN
 TX31 ePn     15:17:39.60  -1.7   11.2 241                                   TX31
 MNTX ePn     15:17:42.17  -1.7   11.4 256                                   MNTX
 ISCO ePn     15:17:43.68  -0.7   11.4 297                                   ISCO
 PV10 ePn     15:18:15.41   0.2   13.7 288                                   PV10
      eLR     15:22:20.88                                  
 PSUT ePn     15:19:07.02   2.3   17.5 287                                   PSUT
      eSn     15:22:20.09  S res =   0.3X
      eLR     15:24:22.31                                  
 KSCO eLR     15:19:44.29          9.0 298                                   KSCO
 NHSC eLg     15:20:34.51  185.   10.3  99                                   NHSC
 MCWV eLR     15:20:51.32         10.9  63                                   MCWV
 LPM  eLR     15:21:15.13         11.8 269                                   LPM 
 N23A eLR     15:21:17.90         12.1 302                                   N23A
 LAZ  eLR     15:21:27.94         12.2 270                                   LAZ 
 CBN  eLR     15:21:32.92         12.4  72                                   CBN 
 RSSD eLR     15:21:34.38         12.6 318                                   RSSD
 EYMN eLR     15:21:38.92         12.7   3                                   EYMN
 K22A eLR     15:21:59.29         13.2 308                                   K22A
 MVCO eLR     15:22:01.25         13.2 283                                   MVCO
 O20A eLR     15:22:15.09         13.5 296                                   O20A
 PV09 eLR     15:22:22.00         13.8 288                                   PV09
 P18A eLR     15:22:48.39         14.8 292                                   P18A
 SRU  eLR     15:22:53.01         15.0 290                                   SRU 
 P17A eLR     15:22:56.58         15.2 291                                   P17A
 PD31 eLR     15:23:05.37         15.3 304                                   PD31
 BW06 eLR     15:23:05.45         15.3 304                                   BW06
 LAO  eLR     15:23:10.51         15.5 322                                   LAO 
 TMUT eLR     15:23:18.55         15.5 291                                   TMUT
 PKCU eLR     15:23:31.27         16.2 284                                   PKCU
 RLMT eLR     15:23:33.11         16.2 313                                   RLMT
 HVU  eLR     15:24:01.29         17.2 298                                   HVU 
 CCUT eLR     15:24:06.56         17.0 284                                   CCUT
 BOZ  eLR     15:24:24.92         17.9 311                                   BOZ 



 Generated 2011 FEB 20 at 16:27 UTC

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