6 JUL 2007 (187)
ot = 19:10:19.44 +/- 0.54 CENTRAL MID-ATLANTIC RIDGE
lat = 8.641 +/- 13.8
lon = -40.109 +/- 9.8 MAGNITUDE 4.4 (GS)
dep = 10.0 (geophysicist)
1290 km (800 miles) N of Parnaiba, Piaui, Brazil
1320 km (820 miles) NNE of Sao Luis, Maranhao, Brazil
1455 km (900 miles) NE of Belem, Para, Brazil
2835 km (1760 miles) NNE of BRASILIA, Distrito Federal, Brazil
nph = 15 of 18 se = 1.12 FE=406 B
error ellipse = (182.3, 0.0, 18.2; 92.3, 0.0, 12.9; 0.0, 0.0, 0.0)
mb = 4.4 ( 10) ML = 0.0 ( 0) mblg = 0.0 ( 0) md = 0.0 ( 0) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
DBIC eP 19:17:11.97 -0.3 35.0 91 b:1.7+1 1.1 4.8 DBIC
LPAZ ePKPdf 19:17:32.02 0.2 37.2 228 b:4.6+0 .75 4.3 LPAZ
ePP 19:18:48.72 -7.9X
OTAV qP 19:17:48.09 0.3 39.1 260 b:3.8+0 .66 4.2 OTAV
TOA0 eP 19:18:04.14 -1.4 41.3 80 TOA0
LVC eP 19:18:10.35 -0.8 42.0 222 b:2.9+0 .65 4.1 LVC
SCHQ qP 19:19:19.04 -0.5 50.7 340 b:4.3+0 .84 4.4 SCHQ
WMOK eP 19:20:20.88 -2.0 59.5 305 b:3.4+0 .83 4.5 WMOK
TSUM eP 19:20:49.74 1.1 63.2 117 b:3.2+0 .82 4.5 TSUM
SDCO eP 19:21:01.27 -1.2 65.3 308 b:3.1+0 .83 4.5 SDCO
ANMO qP 19:21:13.11 8.1X 65.7 304 ANMO
PV01 qP 19:21:19.80 1.7 67.8 308 PV01
WUAZ qP 19:21:30.98 0.4 69.8 305 b:1.0+1 .84 5.0 WUAZ
BGU eP 19:21:41.46 0.6 71.5 310 BGU
EDM qP 19:21:50.83 0.8 73.1 323 EDM
HLID eP 19:21:54.42 6.2X 72.7 313 b:1.3+0 .73 4.1 HLID
MALT qP 19:22:06.70 1.0 75.7 53 MALT
INK eP 19:22:46.33 0.2 83.3 338 b:1.8+2 .85 6.3X INK
Generated 2007 JUL 7 at 16:46 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
