Phase Data
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