Phase Data
16 JUL 2010 (197)
ot = 09:04:47.44 +/- 0.64 POTOMAC-SHENANDOAH REGION
lat = 39.167 +/- 7.7
lon = -77.252 +/- 8.3 MAGNITUDE 3.6 (GS)
dep = 5.0 (geophysicist)
15 km (10 miles) NW of Rockville, Maryland (pop 47,000)
30 km (15 miles) ENE of Leesburg, Virginia (pop 16,000)
35 km (20 miles) NW of WASHINGTON, D.C. (pop 572,000)
70 km (45 miles) WNW of ANNAPOLIS, Maryland (pop 35,000)
mbLg 3.6 (GS).
nph = 15 of 26 se = 1.49 FE=492 A
error ellipse = (131.5, 0.0, 13.3; 41.5, 0.0, 6.8; 0.0, 0.0, 0.0)
mb = 0.0 ( 0) ML = 0.0 ( 0) mblg = 3.6 ( 10) md = 0.0 ( 0) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
SDMD ePg 09:04:56.30 1.1 0.4 53 SDMD
eSg 09:05:01.96 S res = 1.5X
CBN ePg 09:05:06.31 0.4 1.0 186 CBN
eSg 09:05:20.51 S res = 2.0X
SSPA ePn 09:05:13.88 -1.8 1.5 342 SSPA
eSn 09:05:32.76 S res = -3.3X
JSRW ePn 09:05:14.52 -1.2 1.6 199 JSRW
eSn 09:05:34.62 S res = -1.5X
VWCC ePn 09:05:33.17 -0.8 2.9 229 VWCC
eSn 09:06:06.77 S res = -2.2X
BLA ePn 09:05:37.28 -0.7 3.2 233 d:1.7+1 0.1X g:7.6-2 .88 3.1 BLA
eSn 09:06:21.77 S res = 5.6X
TRY ePn 09:05:56.02 0.1 4.5 36 d:2.1+2 3.2X g:1.5-1 .73 3.7 TRY
qSn 09:06:48.35 S res = 0.0X
ACSO ePn 09:05:57.75 0.9 4.5 285 d:2.5+2 3.4X g:9.9-2 .65 3.6 ACSO
eSn 09:06:52.83 S res = 2.7X
QUA2 ePn 09:06:01.76 0.7 4.8 49 d:1.8+2 3.0X g:1.1-1 .73 3.6 QUA2
eSn 09:07:06.79 S res = 9.2X
ACCN ePn 09:06:02.39 -0.8 5.0 31 d:2.2+2 3.2X g:1.7-1 .73 3.8 ACCN
eSn 09:07:07.27 S res = 5.9X b:2.2+1 .38 5.1X
NCB ePn 09:06:03.95 -3.4X 5.3 24 d:2.6+2 3.4X g:1.0-1 .73 3.7 NCB
b:1.5+1 .35 5.1X
MDV ePn 09:06:11.36 -1.5 5.7 31 d:3.4+2 3.8X g:8.5+2 .68 7.7X MDV
b:1.1+5 .26 9.1X
LONY ePn 09:06:12.33 -1.8 5.8 19 d:2.1+2 3.2X g:8.5-2 .63 3.7 LONY
b:8.7+0 .53 4.7X
HNH ePn 09:06:17.60 2.5 5.9 38 d:2.2+2 3.2X g:1.0-1 .65 3.8 HNH
b:9.6+0 .43 4.8X
BLO ePn 09:06:33.87 0.5 7.2 273 d:3.0+1 0.8X g:1.1-2 .75 2.9 BLO
b:1.5+1 .45 5.5X
OLIL ePn 09:06:53.05 2.4 8.5 270 d:3.4+1 0.9X g:1.3-2 .65 3.1 OLIL
b:1.3+1 .38 5.6X
Generated 2010 JUL 16 at 09:21 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
