Phase Data
Explanation of Parameters
25 APR 2008 (116)
ot = 17:31:00.00 +/- 0.00 ILLINOIS
lat = 38.450 +/- 0.0
lon = -87.870 +/- 0.0 MAGNITUDE 3.7 (GS)
dep = 13.2 +/- 0.0
35 km (25 miles) SSE of Olney, Illinois (pop 8,600)
40 km (25 miles) SW of Vincennes, Indiana (pop 18,000)
55 km (35 miles) NNW of Evansville, Indiana (pop 121,000)
215 km (135 miles) SE of SPRINGFIELD, Illinois
nph = 59 of 115 se = 0.00 FE=489 held
error ellipse = ( 0.0, 0.0, 0.0; 0.0, 0.0, 0.0; 0.0, 0.0, 0.0)
mb = 3.6 ( 3) ML = 0.0 ( 0) mblg = 4.2 ( 23) md = 0.0 ( 0) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
OLIL ePg 17:31:06.75 -0.1 0.3 328 OLIL
eSg 17:31:12.80 S res = 1.4X
USIN ePg 17:31:10.16 0.1 0.5 162 g:1.8+0 .65 3.9 USIN
eSg 17:31:16.79 S res = 0.0X
SIUC ePg 17:31:22.13 -2.7 1.3 236 g:1.1+0 .85 4.0 SIUC
eSn 17:31:37.23 S res = -3.6X
WCI ePg 17:31:22.52 -1.7 1.3 100 g:6.7-1 .65 3.9 WCI
eSg 17:31:39.66 S res = -1.0X
BLO ePg 17:31:22.96 -1.6 1.3 55 g:1.6+0 .60 4.3X BLO
eSg 17:31:40.17 S res = -1.0X
SLM ePn 17:31:32.06 0.5 1.9 276 g:1.5+0 .65 4.3 SLM
eSn 17:31:55.24 S res = 0.3X
UTMT ePn 17:31:37.56 0.7 2.2 201 g:3.5+0 .65 4.8 UTMT
eSn 17:32:05.95 S res = 1.5X
WVT ePn 17:31:38.40 0.6 2.3 179 g:6.0-1 .65 4.0 WVT
eSn 17:32:07.11 S res = 1.0X
PARMOePn 17:31:38.91 1.0 2.3 221 PARM
eSn 17:32:07.15 S res = 0.8X
HDIL ePn 17:31:39.50 0.9 2.4 333 g:1.6+0 .70 4.5 HDIL
eSn 17:32:04.48 S res = -3.1X
PVMO ePn 17:31:39.75 -0.6 2.5 216 g:2.5+0 .83 4.6 PVMO
eSn 17:32:11.48 S res = 0.8X
GLAT ePn 17:31:40.77 1.1 2.5 208 d:2.9+2 3.4X GLAT
eSn 17:32:09.86 S res = 0.4X
eSg 17:32:20.39 S res = 1.6X
CCM ePn 17:31:43.90 1.0 2.7 263 g:1.6+0 .70 4.5 CCM
eSn 17:32:17.74 S res = 2.5X
HALT ePn 17:31:45.07 0.7X 2.8 205 d:1.8+2 3.0X HALT
eSn 17:32:18.06 S res = 0.2X
GNAR ePn 17:31:47.27 -0.1 3.0 215 g:1.3+1 .64 5.5X GNAR
eS 17:32:30.41 S res = 0.2X
PLAL ePn 17:31:53.84 0.2 3.5 183 g:4.9-1 .65 4.1 PLAL
eSn 17:32:33.91 S res = -0.6X
SWET ePn 17:31:55.87 0.6 3.6 154 SWET
eSg 17:32:51.74 S res = -3.3X
TZTN ePn 17:32:01.55 1.6 3.9 118 g:8.6-1 .95 4.2 TZTN
eSn 17:32:45.58 S res = -0.4X
OXF ePn 17:32:02.09 -0.5 4.1 198 d:2.7+2 3.4X g:7.2-1 .65 4.4 OXF
ePb 17:32:12.26 -0.1X
eSn 17:32:54.44 S res = 3.8X
CPCT ePn 17:32:02.17 0.9 4.0 137 CPCT
eSn 17:32:47.53 S res = -0.7X
ePg 17:33:04.72 47.7X
ACSO ePn 17:32:04.11 0.6 4.2 63 g:5.5-1 .88 4.1 ACSO
eSn 17:32:51.80 S res = -0.5X
eSg 17:33:08.20 S res = -6.2X
HBAR ePg 17:32:05.61 -4.3 3.7 219 d:1.9+2 3.0X HBAR
TKL ePn 17:32:05.74 0.6 4.3 129 d:4.9+2 4.0X TKL
ePb 17:32:15.01 -0.4X
eSn 17:32:55.08 S res = 0.0X
eSg 17:33:13.47 S res = -4.6X
AAM ePn 17:32:15.20 0.3 5.0 39 g:7.6-1 .95 4.4 AAM
ePb 17:32:23.26 -4.3X
ePg 17:32:30.16 -5.8X
eSn 17:33:10.50 S res = -2.2X
eSb 17:33:26.33 S res = -1.4X
eSg 17:33:34.55 S res = -6.4X
SCIA ePn 17:32:19.51 -0.1 5.4 312 g:1.1+0 .60 4.8X SCIA
eSn 17:33:19.70 S res = -1.4X
eSb 17:33:34.65 S res = -2.9X
eSg 17:33:47.63 S res = -4.2X
LRAL ePn 17:32:20.42 -0.5 5.4 172 g:2.6-1 .80 4.0 LRAL
eSn 17:33:17.39 S res = -6.0X
eSb 17:33:41.68 S res = 1.4X
ELN ePn 17:32:25.47 0.2 5.8 100 ELN
eSn 17:33:28.42 S res = -2.8X
MIAR ePn 17:32:28.97 0.2 6.0 231 g:3.0-1 .73 4.2 MIAR
eSg 17:34:07.49 S res = -5.8X
BLA ePn 17:32:29.62 0.8 6.0 100 g:1.0+0 1.0 4.6 b:1.0+2 .88 5.6X BLA
eSn 17:33:34.68 S res = -3.0X
eSb 17:33:53.11 S res = -3.8X
eSg 17:34:08.53 S res = -4.8X
MCWV 17:32:33.15 -0.2 6.4 77 MCWV
ePn 17:32:38.32 4.9X
VWCC ePn 17:32:36.05 2.6 6.4 98 VWCC
GLMI ePn 17:32:36.11 -3.6 6.8 20 GLMI
ePg 17:33:00.81 -9.7X
eSg 17:34:33.44 S res = -5.3X
JSC ePn 17:32:38.70 -0.2 6.8 126 d:4.0+2 3.8X JSC
eSn 17:33:51.85 S res = -3.9X
eSg 17:34:27.15 S res = -9.8X
KSU1 ePn 17:32:39.02 -1.2 6.9 278 KSU1
ePg 17:33:03.34 -8.0X
eSg 17:34:30.96 S res = -9.1X
LHS ePn 17:32:41.90 0.6 6.9 123 LHS
ePg 17:33:13.34 0.6X
COWI P 17:32:50.40 -1.4 7.7 353 d:5.7+2 4.1X g:1.2-1 .70 4.0 COWI
b:2.4+1 .38 5.8X
SSPA ePn 17:32:55.48 -0.6 8.0 71 SSPA
ECSD ePn 17:33:01.44 -0.6 8.5 311 ECSD
VBMS ePg 17:33:03.13 -2.9 6.6 200 g:5.9-1 1.2 4.3 VBMS
eSg 17:34:27.58 S res = -3.7X
NATX 17:33:05.85 0.5 8.7 222 NATX
MVL ePn 17:33:10.00 -0.6 9.1 77 MVL
CBKS ePn 17:33:13.43 -0.3 9.3 276 CBKS
WMOK e 17:33:18.67 1.9 9.5 250 d:3.8+2 3.7X g:1.6-1 .83 4.2 WMOK
b:1.2+1 .63 5.4X
EYMN ePn 17:33:18.83 -2.4 9.9 346 EYMN
JSRW ePb 17:33:19.67 2.6 7.9 92 JSRW
BINY ePn 17:33:20.78 0.0 9.8 64 BINY
HKT 17:33:33.89 0.5 10.7 220 HKT
AGMN ePn 17:33:36.78 -6.0X 11.4 332 AGMN
NCB ePn 17:33:43.70 -2.3 11.7 57 NCB
AMTX ePn 17:33:44.70 -1.3 11.6 256 AMTX
LONY ePn 17:33:44.88 -1.7 11.7 54 LONY
ACCN ePn 17:33:47.80 -0.4 11.8 61 ACCN
FRNY ePn 17:33:54.86 -1.7 12.4 55 FRNY
JCT ePn 17:34:00.67 1.1 12.6 235 JCT
ULM P 17:34:01.40 -4.3 13.1 337 g:6.7-3 .83 3.1X b:3.5+0 .73 4.6X ULM
RSSD P 17:34:10.31 0.2 13.4 300 g:7.8-2 .85 4.1 b:6.1+0 .40 5.0X RSSD
SDCO ePn 17:34:15.83 -1.2 13.9 273 SDCO
SMCO eP 17:34:37.35 6.5 14.9 279 SMCO
MNTX P 17:34:38.88 -3.7 15.8 250 g:2.5-2 1.0 3.7 b:2.7+0 .50 3.7 MNTX
AHID 17:35:12.41 0.7 18.1 291 AHID
FFC P 17:35:19.97 0.1 18.9 334 g:1.6-2 1.0 3.6 b:5.1+0 .60 3.9 FFC
FCC P 17:35:43.42 3.6X 20.7 351 g:8.6-4 1.0 2.4X b:3.2-1 .73 2.8 FCC
EDM P 17:36:06.60 3.0X 22.9 318 EDM
Generated 2008 APR 25 at 18:20 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver