Phase Data

Explanation of Parameters


     20 NOV 2010  (324)

     ot  = 19:06:34.82   +/-   1.85              ARKANSAS                        
     lat =      35.316   +/-    6.8
     lon =     -92.317   +/-    6.9              MAGNITUDE 4.2 (GS)       
     dep =         2.8   +/-    8.4   

     30 km (15 miles) NNE of Conway, Arkansas (pop 43,000)
     55 km (35 miles) W of Searcy, Arkansas (pop 18,000)
     65 km (40 miles) N of LITTLE ROCK, Arkansas (pop 183,000)
     65 km (40 miles) SSW of Mountain View, Arkansas (pop 2,800)

     nph =   80 of  80    se = 0.91    FE=502                            A   

     error ellipse = (270.0, 72.0, 13.0;137.0, 12.0, 11.5; 44.0, 12.0,  9.0)

 mb = 4.5 (  1)  ML = 0.0 (  0)  mblg = 4.2 ( 43)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 UALR ePg     19:06:45.74   0.5    0.5 182                                   UALR
 MIAR ePg     19:06:58.56  -1.0    1.3 234                                   MIAR
 HBAR ePn     19:07:00.13  -0.8    1.4  80                                   HBAR
 QUAR ePn     19:07:01.14  -0.1    1.4  76                                   QUAR
 SFTN ePn     19:07:07.91   0.1    1.9  88                                   SFTN
      eSn     19:07:33.36  S res =   1.3 
 MET  ePn     19:07:08.43  -0.6    2.0  95 g:2.7+0 .85 4.6                   MET 
 GNAR ePn     19:07:09.33   0.1    2.0  70                                   GNAR
 DLAR ePn     19:07:09.39   0.6    2.0  75                                   DLAR
 PBMO ePn     19:07:11.69   0.6    2.1  46 g:1.3+0 .80 4.3                   PBMO
 CWPT ePn     19:07:14.16   0.5    2.3  72                                   CWPT
 WADM ePn     19:07:14.29   0.6    2.3  62                                   WADM
      eSn     19:07:46.59  S res =   4.1 
 PARMOePn     19:07:14.76  -1.3    2.5  56                                   PARM
 EBZ  ePn     19:07:15.60   0.1    2.4  93                                   EBZ 
 HALT ePn     19:07:15.98  -0.4    2.5  75                                   HALT
 PVMO ePn     19:07:16.10   1.2    2.4  62 g:5.8-1 .70 4.0                   PVMO
      ePb     19:07:17.05  -1.5 
 OXF  ePn     19:07:16.72   0.0    2.5 108 g:1.1+0 .73 4.3                   OXF 
 RELT ePn     19:07:17.61   0.4    2.6  73                                   RELT
 GLAT ePn     19:07:17.75  -0.6    2.6  68                                   GLAT
 GLST ePn     19:07:18.71   0.4    2.6  68                                   GLST
 UTMT ePn     19:07:20.30  -2.8    3.0  69 g:5.5-1 .77 4.1                   UTMT
 CCM  ePn     19:07:21.94   0.5    2.9  17 g:1.4+0 .90 4.4                   CCM 
 TUL1 ePn     19:07:22.54   0.7    2.9 283 g:7.0-1 .85 4.2                   TUL1
 VBMS ePn     19:07:29.29   0.1    3.4 154 g:3.0-1 .93 3.9                   VBMS
 SIUC ePn     19:07:30.78   1.2    3.5  45 g:1.0+0 .73 4.4                   SIUC
 WVT  ePn     19:07:32.99  -0.5    3.7  76                                   WVT 
 NATX ePn     19:07:39.59   1.9    4.1 210 g:3.1-1 .80 4.0                   NATX
      ePb     19:07:48.06   1.2 
 OLIL ePn     19:07:42.09  -5.9    4.8  43 g:1.3+0 1.1 4.7                   OLIL
 SLM  ePb     19:07:42.12   1.1    3.7  26 g:9.7-1 .70 4.4                   SLM 
 W34A ePn     19:07:43.81   0.4    4.5 271 g:2.8-1 .85 4.0                   W34A
 USIN ePn     19:07:45.49   0.5    4.6  53 g:8.4-1 1.2 4.4                   USIN
 U34A ePn     19:07:45.70   3.4    4.4 286 g:4.5-1 .95 4.2                   U34A
 LRAL ePn     19:07:50.09  -0.2    5.0 116 g:3.6-1 .73 4.1                   LRAL
 V34A ePb     19:07:50.66   0.1    4.3 279 g:2.4-1 .82 3.9                   V34A
 KSU1 ePn     19:07:51.24  -0.9    5.1 319 g:9.5-1 1.1 4.6                   KSU1
 SWET ePn     19:07:53.25  -0.7    5.2  89 g:2.6-1 .84 4.0                   SWET
 WMOK ePn     19:07:55.48   0.0    5.3 266 g:2.6-1 .80 4.0                   WMOK
 WHTX ePn     19:07:57.00   0.5    5.4 234                                   WHTX
 WCI  ePn     19:07:59.51  -0.1    5.6  57 g:2.7-1 .70 4.1                   WCI 
 HDIL ePn     19:08:01.41   0.3    5.8  24 g:9.4-1 .75 4.6                   HDIL
 BRAL ePn     19:08:03.95  -1.2    6.1 132 g:1.7-1 .93 3.9                   BRAL
 BLO  ePn     19:08:04.25  -0.5    6.0  49 g:6.1-1 .82 4.4                   BLO 
 HKT  ePn     19:08:06.45   0.5    6.1 210                                   HKT 
 CPCT ePn     19:08:09.42  -0.2    6.4  87                                   CPCT
 SCIA ePn     19:08:12.06  -0.9    6.6 354 g:9.6-1 1.0 4.7                   SCIA
 SFIN ePn     19:08:13.31   1.6    6.5  38 g:9.3-1 .80 4.7                   SFIN
 ABTX ePn     19:08:13.34  -0.2    6.7 248 g:1.3-1 1.2 3.8                   ABTX
 CBKS ePn     19:08:15.98  -0.7    6.9 303 g:3.9-1 .75 4.3                   CBKS
 TKL  ePn     19:08:18.12   0.1    7.0  85                                   TKL 
 TZTN ePn     19:08:21.90   0.6    7.2  78                                   TZTN
 AMTX ePn     19:08:22.52  -5.3    7.7 270 g:2.7-1 .88 4.2                   AMTX
 GOGA ePn     19:08:25.09  -0.9    7.6 102 g:3.3-1 .95 4.3                   GOGA
 JFWS ePn     19:08:27.20  -1.4    7.8  11 g:5.7-1 .73 4.6                   JFWS
 BGNE ePn     19:08:27.36   0.7    7.6 325 g:6.9-1 .75 4.6                   BGNE
 JCT  ePn     19:08:29.28  -1.8    7.9 235 g:1.3-1 .85 3.9                   JCT 
 ACSO ePn     19:08:41.82  -2.1    8.9  54                                   ACSO
 MSTX ePn     19:08:42.01   0.0    8.7 264                                   MSTX
 KMSC ePn     19:08:45.10  -0.5    9.0  88                                   KMSC
 ECSD ePn     19:08:45.76  -0.4    9.0 340                                   ECSD
 KSCO ePn     19:08:46.00  -0.1    9.0 297                                   KSCO
 OGNE ePn     19:08:51.06  -1.5    9.5 309                                   OGNE
 AAM  ePn     19:08:53.75  -1.6    9.7  42                                   AAM 
 BLA  ePn     19:08:54.96  -1.6    9.8  75                                   BLA 
 SPMN ePn     19:08:55.76  -2.3    9.9 358                                   SPMN
 CLNB ePn     19:08:57.56  -3.2   10.1 256                                   CLNB
 Q24A ePn     19:09:10.22  -1.4   10.9 293                                   Q24A
 SDCO ePn     19:09:11.96   0.2   10.9 287                                   SDCO
 MNTX ePn     19:09:18.61  -1.2   11.5 255                                   MNTX
 ISCO ePn     19:09:18.81  -0.9   11.5 297                                   ISCO
 PHWY ePn     19:09:24.51  -1.5   11.9 304                                   PHWY
 URVA ePn     19:09:26.37  -2.0   12.1  75                                   URVA
 RSSD ePn     19:09:35.28   0.3   12.6 318                                   RSSD
 AGMN ePn     19:09:40.34  -3.3   13.2 350                                   AGMN
 TIGA eSn     19:10:07.80  -1.6    8.3 115                                   TIGA
 DGMT ePn     19:10:15.37  -3.1   15.8 330 b:2.6+1 .85 4.4                   DGMT
 HWUT ePn     19:10:24.58  -0.6   16.3 298                                   HWUT
 RLMT ePn     19:10:27.45   3.8   16.2 312                                   RLMT



 Generated 2010 NOV 20 at 19:12 UTC

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