6 JUL 2007 (187)
ot = 19:39:05.81 +/- 0.93 ANTOFAGASTA, CHILE
lat = -23.183 +/- 8.8
lon = -69.037 +/- 14.3 MAGNITUDE 4.1 (GS)
dep = 80.9 +/- 9.7
80 km (50 miles) S of Calama, Chile (pop 122,000)
150 km (90 miles) ENE of Antofagasta, Chile (pop 293,000)
170 km (105 miles) SE of Tocopilla, Chile
1155 km (710 miles) N of SANTIAGO, Chile
nph = 14 of 18 se = 1.41 FE=123 B
error ellipse = (279.4, 1.0, 22.5; 11.1, 58.6, 15.9;188.7, 31.4, 12.2)
mb = 4.1 ( 8) ML = 0.0 ( 0) mblg = 0.0 ( 0) md = 4.5 ( 1) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
LVC ePn 19:39:21.34 0.6 0.6 12 d:3.6+2 4.5 L:1.4+1 .50 3.8X LVC
eSn 19:39:32.85 S res = 1.2X g:1.4+0 .70 3.8X
LCO qPn 19:40:30.12 -2.1 6.0 194 LCO
eSn 19:41:36.58 S res = -3.0X
LPAZ ePn 19:40:45.23 0.1 6.9 7 d:1.8+2 6.3X L:1.3-2 .45 3.3X LPAZ
g:9.9-3 .78 2.8X b:6.5+0 .45 4.5X
CPUP ePn 19:41:41.34 -0.1 11.1 109 g:2.2-2 .70 3.5X b:2.2+1 .70 5.2X CPUP
e 19:41:52.71 11.3X
TRQA eP 19:42:48.42 2.3 16.0 159 b:6.5+0 .61 4.0 TRQA
PLCA eP 19:43:05.15 0.1 17.5 184 b:9.6+0 1.1 3.9 PLCA
BDFB eP 19:43:43.64 -1.3 21.2 73 b:8.6+0 .66 4.2 BDFB
QSPA eP 19:49:50.27 0.2 67.0 180 b:3.1+0 .48 4.5 QSPA
DBIC qP 19:50:07.10 2.0 69.3 73 b:5.3+0 .91 4.4 DBIC
VNDA qP 19:50:39.60 0.6 75.2 190 b:8.3-1 .95 3.6 VNDA
TOA0 eP 19:50:54.69 -1.7 78.0 70 TOA0
e 19:50:58.85 2.4X
HLID qP 19:50:57.74 0.0 78.4 328 b:2.0+0 .98 4.0 HLID
TSUM qP 19:51:04.20 -1.1 79.7 106 TSUM
MAW eP 19:51:20.82 0.3 82.8 163 b:3.7+0 .84 4.3 MAW
Generated 2007 JUL 7 at 17:11 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
