Magnitude 4.5 VIRGINIA
2003 December 09 20:59:14 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
| Phase Data |
9 DEC 2003 (343)
ot = 20:59:14.60 +/- 0.64 VIRGINIA
lat = 37.607 +/- 7.5
lon = -77.963 +/- 7.5 MAGNITUDE 4.5 (GS)
dep = 5.0 (geophysicist)
45 km (30 miles) W of RICHMOND, Virginia (pop 197,000)
50 km (30 miles) NE of Farmville, Virginia (pop 6,000)
65 km (40 miles) NW of Petersburg, Virginia (pop 38,000)
65 km (40 miles) SE of Charlottesville, Virginia (pop 40,000)
nph = 12 of 40 se = 0.86 FE=492 A
error ellipse = (135.1, 0.0, 12.7; 45.1, 0.0, 5.7; 0.0, 0.0, 0.0)
mb = 3.6 ( 2) ML = 0.0 ( 0) mblg = 4.6 ( 17) md = 0.9 ( 1) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
CBN eP 20:59:31.20 1.4 0.8 38 CBN
SDMD eP 20:59:49.26 -0.2 2.0 26 SDMD
BLA qP 20:59:52.24 2.8X 2.0 259 d:3.3+1 0.9 g:1.2+1 .75 5.2 BLA
ELN eP 20:59:53.70 0.6 2.3 261 ELN
FWV eP 20:59:54.27 1.0 2.3 270 FWV
MCWV eP 20:59:56.98 0.1 2.5 325 MCWV
MVL eP 20:59:58.68 -0.8 2.7 27 MVL
LUPA eP 21:00:12.37 0.1 3.6 33 d:3.1+2 3.7X LUPA
BRNJ eP 21:00:19.01 0.5 4.1 40 d:4.2+2 4.0X BRNJ
JSC eP 21:00:20.82 -0.8 4.3 220 JSC
ALLY eP 21:00:21.98 -1.2 4.4 338 d:4.3+2 4.1X ALLY
PAL eP 21:00:26.13 -0.6 4.6 42 d:5.0+2 4.3X g:9.8-1 .63 4.6 PAL
BINY eP 21:00:27.93 -1.8X 4.8 18 g:6.1-1 .73 4.4 BINY
COW eP 21:00:28.79 -0.1 4.8 209 d:3.5+2 3.8X COW
RGRS P 21:00:34.90 2.4X 5.0 202 d:2.6+2 3.4X RGRS
ACSO e 21:00:36.01 8.0X 4.7 305 d:3.1+2 3.7X g:2.3+0 .85 4.8 ACSO
CPCT P 21:00:42.26 0.2X 5.7 250 CPCT
GOGA qP 21:00:47.08 -1.0X 6.1 229 g:1.3+0 .65 4.9 GOGA
QUA2 P 21:00:49.16 -2.0X 6.4 41 d:5.4+2 4.3X QUA2
BRYW P 21:00:52.41 -1.7X 6.6 47 d:4.4+2 4.1X g:5.8-1 .90 4.5 BRYW
b:4.7+1 .63 5.6X
ACCN P 21:00:53.25 -1.9X 6.6 28 d:5.8+2 4.4X ACCN
HRV P 21:00:57.05 -2.3X 6.9 43 d:4.7+2 4.2X g:4.0-1 .95 4.3 HRV
b:4.4+1 .80 5.7X
NCB P 21:00:57.24 -2.5X 7.0 23 g:3.4-1 .63 4.4 b:4.2+0 .30 5.1X NCB
WES P 21:00:58.19 -1.8X 7.0 45 d:4.6+2 4.1X g:3.4-1 .73 4.4 WES
b:2.1+1 .35 5.7X
MIV P 21:01:01.50 -2.7X 7.3 26 MIV
SWET P 21:01:03.40 5.1X 6.9 252 SWET
BLO P 21:01:04.24 5.3X 6.9 286 d:3.1+2 3.7X g:7.2-1 .70 4.7 BLO
b:3.7+1 .35 5.9X
HNH P 21:01:05.89 -0.8X 7.5 34 d:5.2+2 4.3X g:5.9-1 1.0 4.5 HNH
b:8.8+0 .60 5.1X
FFD P 21:01:06.09 -2.2X 7.6 37 d:5.3+2 4.3X FFD
LBNH P 21:01:18.29 3.4X 8.0 33 d:5.6+2 4.4X g:4.1-1 .80 4.5 LBNH
b:8.4+0 .45 5.3X
PLAL P 21:01:19.89 -2.4X 8.6 255 d:4.8+2 4.2X g:4.6-1 .70 4.7 PLAL
b:1.7+1 .40 5.7X
LRAL P 21:01:22.20 -1.5X 8.7 241 d:5.5+2 4.4X g:8.6-1 .75 4.9 LRAL
b:2.5+1 .28 6.1X
SIUC P 21:01:29.56 2.4X 8.9 274 d:5.9+1 1.6X g:8.0-2 .75 3.9 SIUC
b:2.0+1 .45 5.8X
OXF e 21:01:35.39 -3.4X 9.8 255 d:4.1+2 4.0X g:1.4+0 1.1 5.1 OXF
b:3.6+1 .38 6.2X
CCM P 21:01:45.27 -3.8X 10.5 276 b:8.6+0 .45 5.5X CCM
JFWS P 21:01:46.32 -6.3X 10.8 303 g:3.4-1 .63 4.7 b:5.9+0 .40 5.3X JFWS
MIAR P 21:02:19.19 -3.4X 13.0 261 g:4.6+1 .75 6.9X b:5.4+0 .30 5.2X MIAR
WMOK P 21:03:13.32 -2.0X 17.0 267 b:1.1+0 .38 3.3 WMOK
ANMO P 21:04:29.56 7.2X 23.1 272 g:4.1-3 .83 3.3X b:1.3+0 .38 3.8 ANMO
BNM P 21:04:29.73 3.9X 23.4 270 BNM
Generated 2003 DEC 9 at 21:20 UTC
