Phase Data
Explanation of Parameters
18 APR 2008 (109)
ot = 09:37:00.00 +/- 0.00 ILLINOIS
lat = 38.450 +/- 0.0
lon = -87.890 +/- 0.0 MAGNITUDE 5.2 (GS)
dep = 11.6 +/- 0.0
35 km (20 miles) SSE of Olney, Illinois (pop 8,600)
40 km (25 miles) SW of Vincennes, Indiana (pop 18,000)
60 km (35 miles) NNW of Evansville, Indiana (pop 121,000)
215 km (135 miles) SE of SPRINGFIELD, Illinois
Reports of minor structural damage in West Salem, Illinois and
Louisville, Kentucky. Felt over a wide area of the central United
States with felt reports as far west as Kansas, as far north as
the Upper Peninsula of Michigan and as far south as Georgia.
nph = 111 of 185 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 = 5.1 ( 88) ML = 0.0 ( 0) mblg = 5.0 ( 87) md = 4.7 ( 2) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
OLIL ePg 09:37:05.52 -1.1 0.3 330 OLIL
eSg 09:37:11.20 S res = 0.2X
USIN ePg 09:37:08.62 -1.4 0.5 160 g:8.8+1 .73 5.6 USIN
eSg 09:37:16.81 S res = -0.1X
BLO ePg 09:37:21.22 -3.6 1.3 56 d:1.2+3 4.8 g:8.5+1 .75 5.9 BLO
eSg 09:37:39.66 S res = -1.9X
SIUC ePg 09:37:21.41 -3.2 1.3 235 g:4.5+1 .70 5.7 SIUC
eSg 09:37:38.81 S res = -2.4X
SLM ePn 09:37:30.66 -0.9 1.8 276 d:8.5+2 4.5 g:8.3+1 .70 6.1X SLM
eSg 09:37:56.59 S res = -2.9X
FVM ePn 09:37:33.95 -0.4 2.1 258 d:1.2+3 4.8X g:2.5+1 .75 5.6 FVM
eSg 09:38:02.23 S res = -3.7X
UTMT ePn 09:37:36.32 -0.7 2.2 201 d:1.3+3 4.9X g:1.5+2 .90 6.3X UTMT
eSg 09:38:08.09 S res = -4.0X
PARMOePn 09:37:37.36 -0.6 2.3 220 PARM
eSg 09:38:13.06 S res = -1.4X
GLAT ePn 09:37:38.98 -0.8 2.4 208 GLAT
eSg 09:38:15.98 S res = -2.6X
PVMO ePn 09:37:39.79 -0.6 2.5 216 d:5.9+2 4.1X g:1.2+2 .75 6.3X PVMO
eSg 09:38:19.18 S res = -0.9X
HALT ePn 09:37:43.46 -1.0 2.8 205 HALT
eSg 09:38:27.63 S res = -1.9X
GNAR ePn 09:37:46.48 -1.0 3.0 215 g:9.4+2 1.2 7.1X GNAR
eSg 09:38:32.98 S res = -3.6X
PLAL ePn 09:37:52.16 -1.6 3.5 183 PLAL
eSg 09:38:48.48 S res = -2.8X
SWET ePn 09:37:54.55 -1.0 3.6 153 SWET
eSg 09:38:53.81 S res = -1.5X
HBAR ePn 09:37:54.80 -1.4 3.6 218 HBAR
eSg 09:38:54.87 S res = -2.0X
MET ePn 09:37:55.20 -1.9 3.7 207 d:7.4+2 4.4X g:5.0+1 .95 6.0 MET
eSg 09:38:57.68 S res = -1.3X
TZTN P 09:38:00.04 -0.3 3.9 118 g:3.9+1 .88 5.9 TZTN
CPCT P 09:38:00.86 -0.7 4.0 137 CPCT
OXF P 09:38:01.05 -1.7 4.1 198 g:3.9+1 .83 6.0 OXF
TKL P 09:38:04.40 -1.1 4.3 129 TKL
ELN P 09:38:24.14 -1.5X 5.8 100 ELN
BLA P 09:38:27.92 -1.3X 6.0 100 g:3.5+1 .83 6.2X b:1.2+3 .58 6.8X BLA
JSC P 09:38:37.30 -2.0X 6.8 126 JSC
LHS P 09:38:39.42 -2.2X 6.9 123 LHS
COWI P 09:38:48.62 -3.4X 7.7 354 g:4.0+0 .68 5.5 b:5.9+2 .33 7.2X COWI
COW P 09:38:49.82 -2.4X 7.7 129 COW
HKT P 09:39:30.44 -3.0X 10.7 220 g:6.5-1 1.1 4.8 b:1.4+2 1.1 6.2X HKT
DWPF P 09:39:42.98 -2.9X 11.6 150 g:2.6+0 .90 5.5 b:3.6+2 .70 6.8X DWPF
LBNH P 09:40:03.13 -5.6X 13.3 59 g:3.3+0 .93 5.7 b:1.6+2 .58 6.3X LBNH
PHWY P 09:40:10.71 -4.9X 13.8 287 g:3.2+0 .85 5.8 b:1.2+0 .50 4.0X PHWY
CPRX P 09:40:14.28 -4.8X 14.1 252 g:1.3+0 1.0 5.3 b:1.9+2 .76 5.9X CPRX
CLNB P 09:40:19.40 -4.7X 14.4 250 g:4.4-1 .98 4.9 b:1.4+3 1.1 6.5X CLNB
GDL2 P 09:40:24.26 -5.2X 14.8 250 g:1.2+0 1.0 5.3 b:2.8+3 1.2 6.6X GDL2
SMCO P 09:40:26.28 -4.5X 14.9 279 g:2.8+0 1.0 5.7 b:4.1+2 3.0 5.4X SMCO
RWWY P 09:40:30.66 -3.3X 15.1 288 g:3.2+0 1.1 5.7 b:4.0+2 3.0 5.3X RWWY
LAO P 09:40:35.68 -6.5X 15.8 307 g:1.9+0 1.0 5.6 b:2.9+2 .63 5.6 LAO
MNTX P 09:40:36.73 -5.8X 15.8 250 g:1.6+0 1.0 5.5 b:1.2+2 .63 5.2 MNTX
BNM P 09:40:37.37 -3.9X 15.7 260 g:1.3+0 .96 5.4 b:9.4+3 1.1 6.9X BNM
LAZ P 09:40:42.30 -2.9X 16.0 261 g:6.1-1 1.1 5.0 b:2.8+3 1.2 6.3X LAZ
LENM P 09:40:42.99 -1.6X 16.0 260 g:8.6-1 1.1 5.2 b:9.2+3 1.5 6.7X LENM
CTU e 09:40:55.38 -21.1X 18.5 284 g:5.7-2 1.1 4.1 CTU
e 09:41:16.04 -0.4X
RLMT P 09:40:56.06 -4.7X 17.3 300 g:4.6+0 1.3 5.9 b:9.4+1 .70 5.0 RLMT
GCMT P 09:41:02.23 -4.3X 17.7 301 g:1.2-1 .98 4.5 b:5.1+1 .84 4.7 GCMT
SRU e 09:41:03.19 -2.8X 17.7 279 g:1.2-1 .78 4.6 b:1.1+3 .56 6.2X SRU
LOHW P 09:41:04.71 -4.0X 17.9 294 g:7.0-1 1.0 5.2 b:6.6+1 .68 4.9 LOHW
LKWY e 09:41:06.32 -2.8X 17.9 297 g:6.0-1 1.0 5.1 b:3.3+1 .83 4.5 LKWY
REDW P 09:41:06.83 -3.6X 18.0 293 g:9.5-1 1.3 5.2 b:6.4+1 1.0 4.7 REDW
SNOW P 09:41:06.89 -2.9X 18.0 293 g:9.3-1 1.0 5.3 b:1.1+2 .68 5.1 SNOW
TPAW P 09:41:08.02 -3.6X 18.1 293 g:9.8-1 1.0 5.4 b:4.1+2 3.0 5.0X TPAW
IMW e 09:41:08.40 -3.9X 18.2 295 g:9.2-2 .73 4.5 b:2.5+0 .45 3.7X IMW
YNR P 09:41:09.47 -2.4X 18.1 297 g:2.0+0 1.6 5.5X b:1.3+2 .80 5.1 YNR
DAU P 09:41:09.49 -2.7X 18.1 284 g:6.8-1 1.1 5.2 b:1.3+3 1.1 6.0 DAU
TMUT P 09:41:10.54 -1.9X 18.2 280 g:1.7+0 1.1 5.6 b:1.9+1 .50 4.5 TMUT
JLU P 09:41:10.73 -3.2X 18.3 284 g:7.6-1 1.0 5.3 b:4.3+2 .84 5.6 JLU
TEIG P 09:41:10.81 -1.3X 18.2 181 g:2.9-1 1.0 4.8 b:6.9+1 .43 5.1 TEIG
DCID1P 09:41:11.16 -2.6X 18.3 294 g:2.1+0 1.0 5.7 b:1.5+2 .75 5.2 DCID
RRI2 P 09:41:11.19 -3.5X 18.4 293 g:5.9-1 .90 5.2 b:5.2+3 .23 7.3X RRI2
AHID P 09:41:11.77 0.0X 18.1 291 g:1.8+0 1.3 5.5 b:2.0+1 1.2 4.1X AHID
HWUT P 09:41:12.62 -2.4X 18.4 287 g:9.0-1 .90 5.4 b:1.9+1 1.2 4.1X HWUT
YMR P 09:41:12.91 -1.3X 18.3 297 g:6.6-1 1.0 5.2 b:1.8+2 .80 5.3 YMR
MPU P 09:41:13.22 -2.5X 18.5 282 g:8.8-1 1.2 5.3 b:7.9+3 1.1 6.8X MPU
FFC P 09:41:13.57 -6.5X 18.9 334 b:1.0+2 .55 5.2 FFC
QLMT P 09:41:15.43 -2.8X 18.7 297 g:2.0-1 1.0 4.7 b:2.4+3 1.8 6.1 QLMT
BOZ P 09:41:17.91 -3.7X 19.0 300 g:1.0+0 1.4 5.3X b:4.3+2 2.1 5.3 BOZ
NLU P 09:41:18.79 -0.7X 18.8 282 g:2.2+0 1.7 5.5X b:5.1+2 .84 5.8 NLU
WUAZ P 09:41:20.54 -1.0X 19.0 268 g:6.7-1 .98 5.3 b:4.8+1 .50 5.0 WUAZ
SPUT P 09:41:20.75 -1.5X 19.0 286 g:4.5-1 .94 5.1 b:2.8+3 1.1 6.4X SPUT
MSU P 09:41:21.23 -0.6X 19.0 278 g:2.6-1 1.0 4.8 b:7.2+0 .44 4.2 MSU
HRY P 09:41:23.11 -3.0X 19.4 303 g:9.6-1 .96 5.4 b:3.0+1 .38 4.9 HRY
HVU P 09:41:23.66 -1.3X 19.3 288 g:6.3-1 .96 5.3 b:1.8+1 .44 4.6 HVU
DUG P 09:41:23.72 -1.8X 19.3 283 g:3.0-1 1.0 4.9 b:1.7+1 .40 4.7 DUG
BGU P 09:41:25.12 -1.9X 19.5 285 g:1.1+0 1.4 5.3X b:2.0+1 .40 4.7 BGU
LRM P 09:41:26.63 -1.7X 19.6 300 g:1.3+0 1.1 5.5 b:9.9+3 1.1 7.0X LRM
DLMT P 09:41:26.66 -1.5X 19.6 299 g:9.1-1 1.4 5.2X b:5.2+3 .23 7.4X DLMT
TUC P 09:41:28.41 -0.1X 19.6 259 g:4.6-1 1.4 5.0 b:3.5+1 .90 4.7 TUC
MCMT P 09:41:28.69 -0.4X 19.7 297 g:9.3-2 .98 4.4 b:4.1+1 .44 5.0 MCMT
BBSR P 09:41:33.67 3.1X 19.8 101 g:8.0-2 .95 4.4 b:5.8+1 .50 5.1 BBSR
CCUT P 09:41:33.71 0.1 20.1 275 b:2.3+0 .34 3.9X CCUT
ARUT P 09:41:33.97 0.2 20.1 276 g:2.4-1 1.1 4.8 b:7.1+3 1.8 6.7X ARUT
M13A P 09:41:35.90 -0.4 20.3 287 g:5.9-2 .85 4.3 b:8.7+2 1.0 6.0 M13A
CHMT P 09:41:36.05 -1.0 20.4 303 g:2.7-1 1.1 4.9 b:4.1+1 .44 5.1 CHMT
N13A P 09:41:37.30 0.6 20.4 285 g:2.8-1 .93 5.0 b:4.7+2 .43 6.2 N13A
FCC P 09:41:37.69 -2.3 20.7 351 g:3.2-2 1.1 3.9X b:2.6+0 2.2 3.2X FCC
SLMT P 09:41:38.41 -1.3 20.7 303 g:4.9+0 1.8 5.9X b:2.4+3 1.8 6.2X SLMT
HLID P 09:41:39.07 -0.3 20.6 293 g:1.9-1 1.2 4.7 b:1.2+3 1.5 6.0 HLID
MSO P 09:41:40.79 -0.9 20.8 302 g:1.1+0 1.5 5.3X b:4.8+2 2.1 5.5 MSO
SWMT P 09:41:43.18 -0.8 21.1 304 g:4.0-1 1.0 5.1 b:2.4+3 1.8 6.3X SWMT
N12A P 09:41:43.87 0.2 21.0 285 g:1.3-1 .95 4.6 b:4.7+1 .30 5.3 N12A
YBMT P 09:41:44.78 -0.4 21.2 305 g:4.8-1 1.0 5.1 b:3.7+4 .20 8.4X YBMT
JTMT P 09:41:45.70 -1.0 21.3 304 g:2.7-1 1.2 4.8 b:2.4+3 1.8 6.3X JTMT
ELK P 09:41:46.04 0.6 21.2 285 g:7.2-2 1.0 4.4 b:7.2+1 1.0 5.0 ELK
WALA P 09:41:47.34 -1.2 21.5 308 g:1.6-1 1.7 4.5X b:3.5+0 .88 3.8X WALA
GTBY P 09:41:48.65 -0.4 21.5 145 g:9.9-2 1.0 4.5 b:4.4+2 1.5 5.6 GTBY
BSMT P 09:41:49.90 -0.7 21.7 304 g:1.4-1 .94 4.7 b:5.9+3 1.5 6.8X BSMT
LDFC P 09:41:55.44 0.9 22.0 270 g:3.4-1 1.1 5.0 b:5.8+1 .98 5.0 LDFC
MTDJ P 09:41:55.55 0.4 22.1 153 g:1.9-1 1.1 4.8 b:1.9+2 1.1 5.4 MTDJ
GRTK P 09:41:56.32 0.0 22.2 135 b:2.1+3 2.1 6.2X GRTK
GLA P 09:41:59.68 0.5 22.5 264 g:7.1-2 .98 4.4 b:1.2+2 1.1 5.3 GLA
BMO P 09:42:01.37 -1.4 22.8 296 g:3.1-1 1.5 4.9X b:1.4+1 1.0 4.4 BMO
EDM P 09:42:02.07 -1.6 22.9 318 EDM
BMN P 09:42:02.42 0.8 22.7 284 g:5.1-2 1.0 4.2 b:5.1+1 1.0 4.9 BMN
NEW P 09:42:05.82 -1.8 23.3 304 g:5.5-1 1.3 5.2 b:1.8+1 .23 5.2 NEW
GSC e 09:42:07.86 -0.1 23.3 271 b:1.7+0 .50 3.8X GSC
LNOR P 09:42:10.11 -1.0 23.6 298 g:3.5-2 .90 4.2 b:4.3-1 .40 3.4X LNOR
WVOR P 09:42:10.27 -1.4 23.7 289 g:4.8-2 .88 4.3 b:1.8+1 .23 5.2 WVOR
OD2 P 09:42:14.57 -1.3 24.1 302 g:4.0-2 .96 4.2 b:4.0+1 .96 5.0 OD2
CRPR 09:42:15.70 -28.6 27.3 133 CRPR
SDDR P 09:42:15.75 -0.6 24.2 139 g:9.9-2 1.2 4.5 b:3.2+1 .53 5.2 SDDR
BAR P 09:42:15.98 0.8 24.1 265 g:2.4-2 .93 4.0X b:1.5+2 1.7 5.3 BAR
TGUH P 09:42:17.27 -0.1 24.3 179 g:2.2-1 1.0 4.9 b:2.2+2 1.0 5.7 TGUH
HAWA P 09:42:18.22 -1.3 24.5 299 g:1.1+0 1.8 5.4X b:4.7+2 .43 6.4X HAWA
ISA P 09:42:19.67 0.3 24.5 273 g:3.2-2 .90 4.2 b:4.6+1 .98 5.1 ISA
RSW P 09:42:19.91 0.0 24.6 299 g:3.3-2 .90 4.2 b:3.3+1 .90 5.0 RSW
MWC P 09:42:20.36 0.0 24.6 269 g:2.6-2 .93 4.1 b:9.9+1 1.4 5.2 MWC
MOD P 09:42:21.25 -1.9 24.9 288 g:5.3-2 .78 4.4 b:4.1+1 .75 5.2 MOD
OSI P 09:42:24.13 0.3 25.0 271 g:6.0-2 1.0 4.4 b:1.2+2 1.3 5.4 OSI
ETW P 09:42:25.17 -1.0 25.3 302 g:9.0-2 .92 4.6 b:1.4+4 .20 8.3X ETW
CMB P 09:42:26.89 -1.0 25.5 279 g:3.8-2 1.0 4.2 b:3.8+1 1.0 5.0 CMB
LON P 09:42:33.53 -0.6 26.1 299 g:4.3-2 .84 4.4 b:5.6+2 2.4 5.8 LON
RPW P 09:42:33.56 -0.9 26.2 303 g:3.3-2 1.0 4.1 b:3.3+1 .84 5.0 RPW
CBYP 09:42:34.21 -14.9 27.8 130 CBYP
JCW P 09:42:35.01 -1.5 26.4 303 JCW
SAO P 09:42:37.07 -0.8 26.6 277 g:4.4-2 1.0 4.3 b:4.4+1 1.0 5.1 SAO
YBH P 09:42:38.76 -0.7 26.7 288 g:2.7-2 .90 4.1 b:2.1+1 .83 4.9 YBH
JTS P 09:42:50.24 -2.1 28.2 174 g:4.8-2 .95 4.4 b:4.8+1 .95 5.3 JTS
BCIP 09:42:54.22 -14.8 30.0 164 BCIP
SDV P 09:43:37.14 -0.6 33.3 148 b:5.5+1 1.0 5.4 SDV
DLBC P 09:43:39.82 -0.2 33.6 320 DLBC
RES P 09:44:02.79 -1.7 36.5 357 b:8.7+0 .98 4.5 RES
INK P 09:44:22.99 -1.4 38.8 335 b:2.0+0 .48 4.1X INK
OTAV P 09:44:24.96 -2.0 39.0 165 b:6.7+1 1.4 5.1 OTAV
DAWY P 09:44:29.47 -1.1 39.5 327 DAWY
BMRM P 09:44:35.00 -10.5 41.3 322 BMRM
EGAK P 09:44:36.72 -1.5 40.5 328 b:2.1+1 .65 5.0 EGAK
MENT P 09:44:42.78 -1.5 41.2 325 MENT
PAX P 09:44:43.08 -7.8 42.0 325 b:1.1+1 1.2 4.4 PAX
SUMG P 09:44:50.49 0.2 41.9 20 b:1.7+1 1.0 4.7 SUMG
COLA P 09:44:59.89 -1.4 43.3 327 b:2.0+1 .80 4.9 COLA
MCK P 09:45:03.30 -0.8 43.6 326 b:1.9+1 .96 4.9 MCK
PMR e 09:45:03.31 -0.2 43.6 323 b:1.6+1 .92 4.8 PMR
TRF P 09:45:05.34 -3.6 44.2 325 b:1.7+1 .64 5.0 TRF
SEW P 09:45:06.96 2.6 43.7 320 b:2.2+1 .92 4.9 SEW
BPAW P 09:45:10.34 -1.2 44.6 326 b:2.3+1 .90 5.1 BPAW
KTH P 09:45:10.68 -0.4 44.5 325 b:5.0+1 1.2 5.3 KTH
COLD P 09:45:11.10 -0.3 44.6 331 b:1.4+1 .84 4.9 COLD
PPLA P 09:45:14.58 -1.0 45.1 324 b:2.1+2 1.6 5.8 PPLA
CHUM P 09:45:15.22 -0.8 45.1 326 b:6.3+1 .74 5.6 CHUM
RSO e 09:45:17.53 -0.2 45.3 321 RSO
OHAK P 09:45:24.58 3.4 45.8 316 b:2.7+1 1.0 5.2 OHAK
SVW2 P 09:45:26.98 -1.3 46.7 322 SVW2
CHGN P 09:45:42.80 -1.1 48.7 316 CHGN
SDPT P 09:45:52.80 -1.2 50.0 315 b:1.0+2 .88 5.8 SDPT
TNA P 09:46:05.62 -1.0 51.7 329 b:5.7+2 1.6 6.2X TNA
AKUT 09:46:24.80 6.3 53.3 314 AKUT
ESK P 09:46:40.46 -2.4 56.7 43 b:3.3+1 1.0 5.3 ESK
BILL P 09:47:06.04 -3.1 60.5 335 b:1.0+1 .80 5.0 BILL
TIXI P 09:47:50.61 -2.6 67.2 348 b:9.7+0 .80 5.0 TIXI
LCO P 09:48:03.04 -2.6 69.0 164 b:2.3+1 1.2 5.2 LCO
KIEV P 09:48:41.19 -2.8 75.5 36 b:8.5+0 .75 4.9 KIEV
ARU P 09:49:10.95 -4.9 81.3 18 b:3.9+1 1.2 5.3 ARU
YSS P 09:49:27.43 -1.1 83.7 328 b:1.8+1 .70 5.4 YSS
KIV P 09:49:42.31 -1.0 86.6 33 b:1.9+1 .70 5.4 KIV
BRVK P 09:49:43.14 -1.5 86.9 13 b:8.4+0 .75 5.0 BRVK
ABKARP 09:49:48.82 -1.8 88.1 20 b:5.4+0 .70 5.0 ABKA
TLY P 09:49:57.11 -0.7 89.7 353 b:6.6+0 .85 4.9 TLY
KURK P 09:49:59.82 -1.4 90.4 9 b:5.8+0 1.0 4.8 KURK
FITZ P 09:56:33.68 -3.0 144.5 295 FITZ
MBWA P 09:56:53.64 6.8 150.6 298 MBWA
Generated 2008 APR 18 at 13:21 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
