Phase Data

Explanation of Parameters


     31 DEC 2011  (365)

     ot  = 20:04:58.93   +/-   2.07              YOUNGSTOWN-WARREN AREA, OHIO    
     lat =      41.159   +/-    7.5
     lon =     -80.729   +/-    6.7              MAGNITUDE 4.0 (GS)       
     dep =         2.2   +/-    7.6   

     9 km (6 miles) NW of Youngstown, Ohio (pop 82,000)
     12 km (7 miles) SE of Warren, Ohio (pop 50,000)
     89 km (56 miles) ESE of Cleveland, Ohio (pop 478,000)
     234 km (145 miles) NE of COLUMBUS, Ohio
 
     mbLg 4.0 (GS). Felt strongly in the Youngstown, Ohio area. Felt
     widely on the Ohio-Pennsylvania border region.

     nph =  104 of 104    se = 1.02    FE=471                            A   

     error ellipse = (137.0, 61.0, 11.7;344.0, 26.0, 11.5;248.0, 11.0, 10.0)

 mb = 0.0 (  0)  ML = 0.0 (  0)  mblg = 4.0 ( 98)  md = 0.0 (  0)  MS = 0.0 (  0)

 sta  phase     arrival     res   dist azm    amp  per mag     amp  per mag  sta
 ERPA ePg     20:05:20.14   0.0    1.1  30                                   ERPA
      eSg     20:05:33.05  S res =  -1.4 
 MCWV ePn     20:05:28.62  -0.2    1.6 156 g:9.1-1 .88 4.0                   MCWV
      eSn     20:05:49.15  S res =  -1.4 
 SSPA ePn     20:05:37.68   1.0    2.2 103 g:8.3-1 .75 4.1                   SSPA
      eSn     20:06:04.83  S res =   0.2 
 AAM  ePn     20:05:41.75   1.6    2.5 299 g:9.3-1 .77 4.2                   AAM 
      eSn     20:06:12.16  S res =   1.3 
 MMNY ePn     20:05:43.66   1.3    2.6  52                                   MMNY
      eSn     20:06:14.49  S res =  -0.3 
 SDMD ePn     20:05:54.34   0.7    3.5 119 g:2.3-1 .72 3.7                   SDMD
 MVL  ePn     20:05:55.35   0.6    3.5 108 g:3.0-1 .74 3.9                   MVL 
 IP04 ePn     20:05:56.80   0.1    3.7 146 g:3.6-1 .78 4.0                   IP04
 BINY ePn     20:05:58.36   1.2    3.7  72 g:4.6-1 1.0 4.1                   BINY
 SADO ePn     20:05:58.38   0.0    3.8  17 g:4.6-1 .70 4.1                   SADO
 IP03 ePn     20:05:58.58   0.5    3.8 145                                   IP03
 SPRD ePn     20:05:58.69  -0.1    3.8 144 g:2.0-1 .88 3.7                   SPRD
 CVRD ePn     20:05:59.34   0.6    3.8 143 g:3.3-1 .93 4.0                   CVRD
 IP01 ePn     20:05:59.44   0.1    3.9 145 g:2.3-1 .76 3.8                   IP01
 IP07 ePn     20:05:59.51   0.4    3.8 146 g:3.7-1 .72 4.0                   IP07
 IP06 ePn     20:05:59.66   0.4    3.9 146 g:2.3-1 .71 3.8                   IP06
 SPFD ePn     20:05:59.76  -0.1    3.9 140 g:1.6-1 .77 3.6                   SPFD
 CBN  ePn     20:06:00.06  -0.1    3.9 138 g:3.0-1 .80 3.9                   CBN 
 BLA  ePn     20:06:01.04   0.5    4.0 176 g:7.1-1 .75 4.3                   BLA 
 IP05 ePn     20:06:02.28   0.5    4.0 144 g:2.2-1 .70 3.8                   IP05
 JSRW ePn     20:06:02.37  -0.2    4.1 147                                   JSRW
 LUPA ePn     20:06:02.57   0.0    4.1  96 g:2.0-2 .73 2.8                   LUPA
 PSUB ePn     20:06:04.42   0.4    4.2 105 g:2.8-1 .72 3.9                   PSUB
 ODNJ ePn     20:06:10.65   0.9    4.6  89 g:2.2-1 .83 3.9                   ODNJ
 BRNJ ePn     20:06:10.92   0.2    4.7  94 g:2.8-1 .82 4.0                   BRNJ
 GLMI ePn     20:06:11.03   1.0    4.6 323 g:4.2-1 .75 4.2                   GLMI
 BLO  ePn     20:06:13.73   0.7    4.9 248 g:6.1-1 .80 4.3                   BLO 
 SFIN ePn     20:06:14.10   0.6    4.9 263 g:5.5-1 .73 4.3                   SFIN
 CPNY ePn     20:06:16.58  -0.2    5.1  92 g:2.9-1 1.0 4.1                   CPNY
 PAL  ePn     20:06:16.69  -0.4    5.2  90 g:3.9-1 .70 4.2                   PAL 
 WCI  ePn     20:06:17.58   0.0    5.2 238 g:2.4-1 .80 4.0                   WCI 
 TRY  ePn     20:06:22.42   0.7    5.5  71 g:2.8-1 .93 4.1                   TRY 
 NCB  ePn     20:06:22.64  -0.1    5.6  58 g:1.6-1 .82 3.8                   NCB 
 ACCN ePn     20:06:23.74  -0.7    5.7  65 g:1.4-1 .70 3.8                   ACCN
 LONY ePn     20:06:24.25  -0.1    5.7  51 g:1.6-1 .90 3.8                   LONY
 YLE  ePn     20:06:26.11  -1.0    5.9  86 g:2.7-1 .85 4.1                   YLE 
      eSb     20:07:54.94  S res =   1.7 
 KMSC ePn     20:06:28.01  -1.0    6.0 185 g:2.6-1 .88 4.1                   KMSC
 TKL  ePn     20:06:28.57   0.0    6.0 205 g:2.7-1 .85 4.1                   TKL 
 USIN ePn     20:06:31.28  -0.6    6.2 242 g:3.9-1 1.1 4.3                   USIN
 OLIL ePn     20:06:31.78   0.9    6.2 249 g:3.9-1 .75 4.3                   OLIL
 CNNC ePn     20:06:32.80  -0.2    6.3 158 g:3.8-1 .80 4.3                   CNNC
 QUA2 ePn     20:06:33.69   0.0    6.4  77 g:1.7-1 .70 3.9                   QUA2
 FRNY ePn     20:06:34.18   0.1    6.4  53 g:1.4-1 .70 3.8                   FRNY
 BG3  ePn     20:06:34.41   0.3    6.4 197                                   BG3 
 CPCT ePn     20:06:34.74   0.1    6.4 209 g:2.0-1 .89 4.0                   CPCT
 HDIL ePn     20:06:36.29   0.5    6.5 268 g:7.8-1 1.0 4.6                   HDIL
 VT1  ePn     20:06:37.85   0.0    6.7  59 g:2.5-1 .85 4.1                   VT1 
 HNH  ePn     20:06:38.63  -0.2    6.7  65 g:3.0-1 .90 4.2                   HNH 
 TRQ  ePn     20:06:39.14   0.1    6.8  39                                   TRQ 
 HODGEePn     20:06:43.49   0.8    7.0 190 g:2.1-1 .94 4.1                   HODG
 SWET ePn     20:06:45.40   0.1    7.2 216 g:1.4-1 .75 3.9                   SWET
 JFWS ePn     20:06:46.45  -0.1    7.3 287 g:2.3-1 .73 4.1                   JFWS
 SIUC ePn     20:06:48.47   0.1    7.4 245 g:2.4-1 .75 4.2                   SIUC
 WVT  ePn     20:06:48.49  -0.6    7.5 230 g:1.8-1 1.2 4.1                   WVT 
 VLDQ ePn     20:06:48.65   1.6    7.3  16 g:2.3-1 .80 4.1                   VLDQ
 FVM  ePn     20:06:58.57   0.6    8.1 250 g:1.4-1 .80 4.0                   FVM 
 JSC  ePb     20:06:59.59   0.5    6.9 184 g:2.2-1 1.0 4.1                   JSC 
 LBNH ePb     20:07:00.45  -3.8    7.2  62 g:1.9-1 .90 4.0                   LBNH
      eSb     20:08:32.00  S res =   1.7 
 PLAL ePn     20:07:02.10  -0.3    8.5 226 g:9.0-2 .85 3.8                   PLAL
 CCM  ePn     20:07:06.06   0.5    8.7 253 g:1.6-1 .80 4.1                   CCM 
 PBMO ePn     20:07:06.12   0.0    8.7 243 g:1.6-1 .82 4.1                   PBMO
 GOGA ePb     20:07:15.11  -3.7    8.0 197 g:1.4-1 .70 4.0                   GOGA
 LRAL ePn     20:07:16.14  -0.9    9.5 214 g:9.0-2 .82 3.9                   LRAL
 OXF  ePn     20:07:16.22  -1.1    9.5 229                                   OXF 
 SLM  ePb     20:07:17.92   4.3    7.7 254 g:1.9-1 .80 4.1                   SLM 
      eSn     20:08:18.27  S res =  -2.3 
      eSb     20:08:34.92  S res = -11.3 
      eSg     20:08:58.32  S res =  -8.8 
 SPMN ePn     20:07:18.01  -1.5    9.7 299 g:1.4-1 .85 4.1                   SPMN
 EYMN ePn     20:07:24.92  -2.0   10.2 315                                   EYMN
 WHAR ePn     20:07:33.40  -1.3   10.8 241                                   WHAR
 X301 ePn     20:07:35.41  -0.7   10.9 241                                   X301
 HHAR ePn     20:07:42.08  -0.8   11.4 249                                   HHAR
      eSn     20:09:42.21  S res =  -8.7 
 ECSD ePn     20:07:49.04  -2.1   12.0 288                                   ECSD
 MIAR ePn     20:07:51.01  -1.4   12.1 241                                   MIAR
 BRYW eSn     20:07:56.04  -5.0    6.9  81 g:1.7-1 .80 4.0                   BRYW
 KSU1 ePn     20:07:56.90   1.5   12.3 266                                   KSU1
 HRV  eSn     20:07:58.78  -3.3    7.0  76 g:1.7-1 .75 4.0                   HRV 
      eSb     20:08:30.83  S res =   6.2 
 AGMN ePn     20:07:59.64  -3.5   12.9 309                                   AGMN
 WES  eSn     20:08:02.57  -3.4    7.1  77 g:1.3-1 1.0 3.9                   WES 
      eSb     20:08:28.40  S res =  -0.7 
 ULM  ePn     20:08:13.00  -4.2   13.9 316                                   ULM 
 X37A ePn     20:08:16.92   8.4   13.3 245                                   X37A
 X35A ePn     20:08:21.62  -3.5   14.5 248                                   X35A
 BCX  eSb     20:08:37.96   5.8    7.2  78 g:1.0-1 .77 3.8                   BCX 
 NHSC eSb     20:08:54.06  -1.3    8.1 177 g:2.4-1 .82 4.2                   NHSC
 RGRS eSb     20:09:13.12  12.1    8.3 177 g:1.6+0 .81 5.0                   RGRS
 LAO  eP      20:09:21.17  -2.1   19.1 295                                   LAO 
 FFC  eP      20:09:26.62  -1.2   19.6 321                                   FFC 
 HALT eSg     20:09:34.80   1.7    8.5 235 g:2.0-1 .98 4.2                   HALT
 RLMT eP      20:09:47.10   1.8   21.1 290                                   RLMT
 PDAR eP      20:09:48.84   0.1   21.5 284                                   PDAR
 PD31 eP      20:09:49.30   0.6   21.5 284                                   PD31
 TPAW eP      20:09:59.99   1.0   22.4 286                                   TPAW
 WUAZ eP      20:10:16.70  -4.0   24.6 267                                   WUAZ



 Generated 2011 DEC 31 at 20:15 UTC

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