Phase Data

Explanation of Parameters


     21 FEB 2012  ( 52)

     ot  = 09:58:43.00   +/-   2.62              SOUTHEASTERN MISSOURI           
     lat =      36.850   +/-    4.4
     lon =     -89.409   +/-    5.7              MAGNITUDE 4.0 (GS)       
     dep =         5.0   +/-    2.0   

     16 km (10 miles) E of Sikeston, Missouri (pop 16,000)
     27 km (17 miles) SW of Cairo, Illinois (pop 3,600)
     197 km (123 miles) NNE of Memphis, Tennessee
     310 km (193 miles) SE of JEFFERSON CITY, Missouri

     nph =  152 of 184    se = 1.29    FE=486                            A   

     error ellipse = ( 84.0,  0.0,  8.7;174.0,  1.0,  6.7;322.0, 88.0,  3.0)

 mb = 4.0 ( 61)  ML = 0.0 (  0)  mblg = 4.3 ( 75)  md = 4.0 (  2)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 PVMO ePg     09:58:53.04   0.5    0.5 208                                   PVMO
      eSg     09:58:59.40  S res =   0.5 
 UTMT ePg     09:58:56.10   0.3    0.7 139                                   UTMT
      eSb     09:59:05.47  S res =  -1.1 
 PBMO ePg     09:58:58.28  -0.5    0.8 265                                   PBMO
      eSb     09:59:08.85  S res =  -2.3 
 SIUC ePg     09:58:59.06  -0.6    0.9   9 g:2.9+0 .70 4.3                   SIUC
      eSg     09:59:10.28  S res =  -0.6X
 FVM  ePn     09:59:08.04  -1.0    1.4 325 g:1.5+0 .82 4.2                   FVM 
      eSn     09:59:25.60  S res =  -2.2 
 WVT  ePn     09:59:09.42  -0.6    1.5 119 d:5.0+2     4.0                   WVT 
      eSn     09:59:28.78  S res =  -0.8 
 SFTN ePn     09:59:11.69   0.2    1.6 199                                   SFTN
 HBAR ePn     09:59:11.72  -0.8    1.6 218                                   HBAR
 EBZ  ePn     09:59:13.31  -0.1    1.7 178                                   EBZ 
 USIN ePn     09:59:14.42   0.0    1.8  51 g:2.6+0 1.0 4.5                   USIN
      eSn     09:59:36.75  S res =  -0.7 
 MET  ePn     09:59:14.67   0.3    1.8 194 g:1.5+0 .88 4.3                   MET 
      eSn     09:59:36.68  S res =  -0.6 
 CCM  ePn     09:59:16.14   0.2    1.9 310 d:5.0+2     4.0                   CCM 
      eSn     09:59:40.75  S res =   0.5 
 SLM  ePn     09:59:16.69   0.6    1.9 340 g:1.3+0 .77 4.2                   SLM 
      eSn     09:59:41.48  S res =   1.1 
 PLAL ePn     09:59:18.75  -0.8    2.1 150                                   PLAL
      eSn     09:59:49.43  S res =   2.8 
 OLIL ePn     09:59:20.19   0.7    2.1  29 g:1.3+0 1.0 4.3                   OLIL
      eSn     09:59:48.52  S res =   2.0 
 OXF  ePn     09:59:22.09   0.1    2.3 180                                   OXF 
      eSn     09:59:54.44  S res =   3.4X
 WCI  ePn     09:59:29.51   0.6    2.8  60                                   WCI 
      eSn     10:00:01.82  S res =  -1.6 
 UALR ePn     09:59:33.41   0.0    3.2 230 g:1.1+0 1.0 4.4                   UALR
 BLO  ePn     09:59:35.47   0.8    3.3  44 g:5.7-1 .77 4.1                   BLO 
      eSn     10:00:12.23  S res =  -1.5 
 W40A ePn     09:59:37.57   0.9    3.4 242 g:1.2+0 .77 4.4                   W40A
 HDIL ePn     09:59:41.97   1.1    3.7   1 g:1.4+0 .77 4.6                   HDIL
 SFIN ePn     09:59:44.64   0.2    4.0  27 g:7.8-1 .88 4.3                   SFIN
 MIAR ePn     09:59:46.81   0.5    4.1 237 g:1.4+0 .77 4.6                   MIAR
 LRAL ePn     09:59:47.95  -1.0    4.3 152 g:5.0-1 .80 4.2                   LRAL
      eSn     10:00:38.55  S res =  -0.8 
 TKL  ePn     09:59:54.62  -0.1    4.7 103 g:6.0-1 .93 4.3                   TKL 
 VBMS ePn     09:59:55.87   1.2    4.7 192                                   VBMS
 TZTN ePn     09:59:56.59   1.7    4.7  92 g:1.3+0 .98 4.7                   TZTN
 TUL1 ePn     10:00:01.56  -0.4    5.2 262 g:5.7-1 .77 4.3                   TUL1
      eSn     10:01:01.10  S res =  -1.6 
 X37A ePn     10:00:04.82   1.3    5.4 247 g:7.0-1 .73 4.4                   X37A
 BG3  ePn     10:00:06.96   0.4    5.6 108                                   BG3 
      eSb     10:01:36.30  S res =   8.4X
 SCIA ePn     10:00:09.61  -0.7    5.9 331 g:9.0-1 1.0 4.6                   SCIA
 OK022ePn     10:00:12.17  -0.5    6.0 260 g:1.7+0 1.1 4.9                   OK02
 OK021ePn     10:00:12.19  -0.8    6.0 260 g:1.3+0 1.0 4.8                   OK02
 ACSO ePn     10:00:12.77  -0.5    6.1  54 g:4.8-1 1.0 4.3                   ACSO
 BRAL ePn     10:00:12.81   0.4    6.0 160                                   BRAL
 KSU1 ePn     10:00:12.92  -1.1    6.1 294 g:1.2+0 1.0 4.7                   KSU1
 JFWS ePn     10:00:13.18  -0.5    6.1 354 g:3.8-1 .73 4.3                   JFWS
 GOGA ePn     10:00:13.22   1.4    6.0 123 g:4.1-1 .75 4.3                   GOGA
 OK020ePn     10:00:15.09   0.2    6.2 260 g:1.5+0 1.1 4.9                   OK02
 HODGEePn     10:00:17.33  -0.4    6.4 112                                   HODG
      eSb     10:01:59.12  S res =   7.8X
 NATX ePn     10:00:21.50  -0.3    6.7 222 g:1.5-1 .80 3.9                   NATX
 KMSC ePn     10:00:23.19   0.2    6.8 102 g:3.4-1 .77 4.3                   KMSC
 AAM  ePn     10:00:25.19  -1.3    7.0  37                                   AAM 
 BLA  ePn     10:00:29.73   0.8    7.2  84 g:5.9-1 .85 4.5                   BLA 
 WMOK ePn     10:00:37.63  -0.9    7.9 257 g:1.8-1 .73 4.1                   WMOK
 MCWV ePn     10:00:38.81  -1.5    8.0  67 g:2.5-1 .90 4.2                   MCWV
 BGNE ePn     10:00:41.20  -1.1    8.2 307 g:1.1+0 .75 4.9                   BGNE
 WHTX ePn     10:00:42.68  -0.3    8.2 236 g:1.1-1 1.2 3.9                   WHTX
 CBKS ePn     10:00:44.00  -1.5    8.4 287 g:3.4-1 .82 4.4                   CBKS
 SPMN ePn     10:00:49.24  -0.9    8.8 344 g:2.6-1 .73 4.3                   SPMN
 GLMI ePn     10:00:49.50  -0.7    8.8  23 g:5.7-1 .77 4.6                   GLMI
 ECSD ePn     10:00:49.62  -1.3    8.8 324 g:2.3-1 1.0 4.3                   ECSD
 ALLY ePn     10:00:49.91   1.3    8.6  54 g:4.3-1 1.2 4.5                   ALLY
      eSn     10:02:20.48  S res =  -5.9X
 N54A ePn     10:00:51.80   6.2X   8.4  58 g:2.2-1 .77 4.2                   N54A
 M54A ePn     10:00:52.40   0.4    8.9  55                                   M54A
 IP07 ePn     10:00:55.59   0.3    9.1  80 g:1.6-1 1.0 4.1                   IP07
 COWI ePn     10:00:56.09  -0.9    9.3   1 g:1.2-1 .75 4.0                   COWI
 ABTX ePn     10:00:58.14  -1.2    9.4 246 g:1.1-1 1.1 4.0                   ABTX
 SSPA ePn     10:01:03.85  -0.2    9.8  64 g:1.6-1 .95 4.2                   SSPA
 AMTX ePn     10:01:09.22  -0.3   10.2 263                                   AMTX
 OGNE ePn     10:01:14.47  -1.9   10.7 296                                   OGNE
 KSCO ePn     10:01:15.72  -0.8   10.7 286                                   KSCO
 JCT  ePn     10:01:16.25  -1.2   10.7 237                                   JCT 
 SADO ePn     10:01:19.70  -2.5   11.1  41                                   SADO
 EYMN ePn     10:01:20.69  -3.0   11.2 353                                   EYMN
 MSTX ePn     10:01:22.94  -2.0   11.3 259                                   MSTX
      ee      10:01:23.14   0.0X
 T25A ePn     10:01:32.97  -2.0   12.0 276                                   T25A
 MHTCOePn     10:01:35.97  -2.0   12.2 276                                   MHTC
 AGMN ePn     10:01:36.14  -3.7X  12.4 340                                   AGMN
 ODNJ ePn     10:01:40.03   1.7   12.3  65                                   ODNJ
      eSn     10:03:49.31  S res =  -6.2X
 Q24A ePn     10:01:40.52  -2.8   12.6 284                                   Q24A
 SDCO ePn     10:01:44.50  -2.1   12.9 279                                   SDCO
 ISCO ePn     10:01:47.51  -2.0   13.1 288                                   ISCO
 MDND ePn     10:01:48.66  -3.9X  13.3 329                                   MDND
 RSSD ePn     10:01:51.16  -1.2   13.3 308                                   RSSD
 N23A ePn     10:01:53.42  -2.0   13.5 293                                   N23A
 S22A ePn     10:01:58.92  -2.0   13.9 279                                   S22A
 ULM  ePn     10:02:00.24  -4.2X  14.2 343                                   ULM 
 MNTX ePn     10:02:01.50  -2.9   14.2 253                                   MNTX
 SMCO ePn     10:02:02.59  -0.4   14.0 285                                   SMCO
 TX31 ePn     10:02:02.70  -1.2   14.1 242                                   TX31
      ePn     10:02:02.79  -0.7 
 K22A ePn     10:02:03.69  -3.6X  14.4 299                                   K22A
 BNM  ePn     10:02:05.01  -1.1   14.3 264                                   BNM 
 ANMO ePn     10:02:05.39   3.8X  13.9 267                                   ANMO
 PV01 ePn     10:02:21.04   1.6   15.3 281                                   PV01
 MVCO ePn     10:02:21.04   1.8   15.3 277 b:1.5+1 1.1 4.3                   MVCO
 LAO  ePn     10:02:23.36  -4.2X  15.9 313 b:9.9+0 .90 4.0                   LAO 
 PV10 ePn     10:02:24.97   0.7   15.6 282                                   PV10
 PV05 ePn     10:02:26.52   1.6   15.7 281                                   PV05
 PV09 ePn     10:02:27.51   2.2   15.7 282                                   PV09
 PDAR ePn     10:02:33.44  -2.7   16.6 297                                   PDAR
 PD31 ePn     10:02:33.82  -2.3   16.6 297                                   PD31
 BW06 ePn     10:02:33.85  -2.3   16.6 297 b:9.9+0 1.0 3.9                   BW06
 SRU  ePn     10:02:39.61   0.4   16.8 284 b:2.4+1 1.5 4.1                   SRU 
 P18A ePn     10:02:39.67   2.9X  16.6 286 b:1.4+1 1.3 3.9                   P18A
 RLMT ePn     10:02:40.70  -2.1   17.1 305 b:5.3+0 .80 3.7                   RLMT
 P17A ePn     10:02:43.12   1.7   17.0 285 b:7.1+0 1.1 3.7                   P17A
 X18A ePn     10:02:43.70   3.9X  16.8 268 b:1.8+1 1.2 4.1                   X18A
 HPIG ePn     10:02:44.55   3.3X  17.0 239 b:4.6+0 1.1 3.5                   HPIG
 SNOW ePn     10:02:47.71  -1.3   17.6 299 b:7.7+0 .90 3.8                   SNOW
 TMUT ePn     10:02:47.92   1.9   17.3 285 b:3.8+0 .78 3.6                   TMUT
 Q16A ePn     10:02:48.24   2.7   17.3 284 b:2.5+1 1.5 4.1                   Q16A
 MOOW ePn     10:02:48.91  -0.9   17.6 300 b:3.2+0 .70 3.6                   MOOW
 REDW ePn     10:02:49.79   0.3   17.6 298 b:3.1+1 1.9 4.1                   REDW
 FXWY ePn     10:02:50.24  -1.7   17.8 299 b:1.1+1 1.3 3.8                   FXWY
 TCUT ePn     10:02:50.69   1.3   17.6 291 b:1.9+1 1.1 4.1                   TCUT
 JLU  ePn     10:02:51.61   2.4   17.6 289 b:3.4+0 .94 3.5                   JLU 
 WUAZ ePn     10:02:54.22   2.8X  17.8 272 b:8.2+0 1.2 3.7                   WUAZ
 CTU  ePn     10:02:57.79   5.8X  17.8 289 b:3.3+0 .98 3.4                   CTU 
 TUC  ePn     10:02:58.99   2.9X  18.2 262 b:7.7+0 1.4 3.7                   TUC 
 MSU  ePn     10:02:59.09   3.7X  18.1 282                                   MSU 
 YHB  ePn     10:02:59.27   2.1   18.3 302 b:6.4+0 1.0 3.7                   YHB 
 QLMT eP      10:03:01.01   1.6   18.4 303                                   QLMT
 U15A ePn     10:03:01.87   3.1X  18.4 276 b:1.2+1 1.5 3.8                   U15A
 DUG  eP      10:03:03.76   2.5   18.6 288 b:6.3+0 1.0 3.8                   DUG 
 EGMT eP      10:03:04.31   2.6   18.6 313 b:9.4+0 .70 4.1                   EGMT
 BGU  eP      10:03:05.77   2.1   18.8 290 b:3.9+0 1.0 3.6                   BGU 
 PAGS eSn     10:03:07.25  -4.7X  10.5  67                                   PAGS
 LCMT eP      10:03:09.03   2.8X  19.0 278 b:5.8+0 1.3 3.7                   LCMT
 HRY  eP      10:03:09.58   0.2   19.3 308                                   HRY 
 DLMT eP      10:03:12.21   2.4   19.4 303 b:1.4+1 1.3 4.1                   DLMT
 FFC  eP      10:03:13.51  -1.2   19.8 338 b:1.4+1 1.0 4.2                   FFC 
 MCMT eP      10:03:14.12   4.0X  19.4 302                                   MCMT
 PSUT eP      10:03:14.29   4.1X  19.4 282 b:5.7+0 .88 3.8                   PSUT
 Y14A eP      10:03:15.72   5.3X  19.4 269 b:1.9+1 1.2 4.2                   Y14A
 HLID eP      10:03:20.26   1.5   20.2 297 b:1.0+1 1.4 4.0                   HLID
 MSO  eP      10:03:24.42  -0.1   20.7 306 b:2.4+1 1.8 4.2                   MSO 
 R11A eP      10:03:26.67   1.6   20.8 282 b:2.8+0 .90 3.6                   R11A
 SHPR eP      10:03:28.75   5.2X  20.6 277 b:2.6+0 .98 3.5                   SHPR
 WALA eP      10:03:33.37  -0.2   21.6 312 b:1.4+1 1.1 4.3                   WALA
 MFID eP      10:03:33.47   4.1X  21.2 296 b:5.8+0 .85 4.0                   MFID
 BINY eSn     10:03:34.14  -6.4X  11.7  59                                   BINY
 GSC  eP      10:03:41.99   2.0   22.2 274 b:9.5+0 1.2 4.1                   GSC 
 BMO  eP      10:03:42.45  -0.8   22.5 300 b:2.3+0 .65 3.8                   BMO 
 F10A eP      10:03:44.60  -0.7   22.7 302 b:5.4+0 .65 4.2                   F10A
 KVN  eP      10:03:47.39   1.7   22.7 284 b:5.7+0 1.2 3.9                   KVN 
 NV11 eP      10:03:48.77   2.2   22.8 283 b:4.0-1 1.1 2.8                   NV11
 NV01 eP      10:03:48.85   1.0   22.9 283                                   NV01
 DAC  eP      10:03:49.98   5.1X  22.6 277 b:5.7+0 1.1 4.0                   DAC 
 J08A eP      10:03:51.05   1.3   23.1 295 b:6.2+0 1.0 4.1                   J08A
 EDM  eP      10:03:51.50  -1.0   23.4 322 b:1.7+1 .90 4.6                   EDM 
 RYN  eP      10:03:51.75   2.3   23.0 283 b:2.5+1 1.8 4.4                   RYN 
 G08A eP      10:03:55.25  -0.9   23.7 300 b:1.1+1 1.4 4.2                   G08A
 YERR eP      10:03:56.05   1.0   23.6 284 b:1.8+1 1.3 4.5                   YERR
 PAHR eP      10:03:56.27   0.7   23.6 286 b:1.0+1 1.2 4.3                   PAHR
 PNTR eP      10:03:57.03  -0.5   23.9 285 b:1.1+1 .80 4.5                   PNTR
 WAKR eP      10:03:59.17   2.3   23.8 283 b:1.4+1 1.2 4.4                   WAKR
 MOD  eP      10:04:02.42   0.6   24.3 292                                   MOD 
 BEKR eP      10:04:04.13   1.7   24.4 287 b:1.0+1 1.0 4.4                   BEKR
 TRQ  eSn     10:04:54.17   3.7X  14.5  45                                   TRQ 
 EGAK eP      10:06:28.31   0.0   41.2 329 b:1.5+1 .95 4.7                   EGAK
 IL1  eP      10:06:47.24  -0.5   43.6 328                                   IL1 
 ILB  eP      10:06:47.92   0.2   43.6 328                                   ILB 
 CCB  eP      10:06:50.50  -0.1   44.0 328 b:1.3+1 .64 4.9                   CCB 
 COLA eP      10:06:51.22   0.1   44.0 329 b:1.5+1 .80 4.9                   COLA
 MDM  eP      10:06:52.26  -0.3   44.2 329 b:9.0+0 1.0 4.6                   MDM 
 MLY  eP      10:07:01.14   0.1   45.3 328 b:3.7+0 .56 4.5                   MLY 
 COLD eP      10:07:02.79   0.8   45.4 332 b:8.3+0 1.4 4.5                   COLD
 TOLK eP      10:07:02.95   0.5   45.4 334                                   TOLK
 CAST eP      10:07:04.48   0.2   45.7 326 b:3.5+1 2.0 5.0                   CAST
 IM3  eP      10:07:11.54  -0.1   46.6 330                                   IM3 



 Generated 2012 FEB 21 at 10:12 UTC

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