Phase Data
Explanation of Parameters
2 JUL 2007 (183)
ot = 12:45:45.40 +/- 0.00 OFFSHORE COQUIMBO, CHILE
lat = -31.653 +/- 0.0
lon = -72.065 +/- 0.0
dep = 28.1 +/- 0.0
85 km (55 miles) W of Illapel, Chile (pop 21,000)
160 km (100 miles) NNW of Valparaiso, Chile (pop 283,000)
200 km (125 miles) SSW of Coquimbo, Chile
240 km (150 miles) NW of SANTIAGO, Chile
ML 3.3 (GUC).
nph = 11 of 16 se = 0.00 FE=134 held
error ellipse = ( 0.0, 0.0, 0.0; 0.0, 0.0, 0.0; 0.0, 0.0, 0.0)
mb = 0.0 ( 0) ML = 3.0 ( 1) mblg = 3.0 ( 1) md = 0.0 ( 0) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
CMCH eP 12:46:03.48 -0.5 1.0 63 CMCH
iS 12:46:17.77 S res = 0.0X
OVCH iPc 12:46:07.96 0.6 1.3 36 OVCH
iS 12:46:24.05 S res = 0.4X
JACH eP 12:46:13.36 1.2 1.6 130 JACH
iS 12:46:34.48 S res = -0.2X
TLL eP 12:46:17.03 1.7 1.8 37 TLL
iS 12:46:41.37 S res = 0.3X
TACH iPc 12:46:21.70 1.5 2.2 155 TACH
PCH eP 12:46:23.98 1.6 2.4 147 PCH
CHCH eP 12:46:26.15 1.0 2.6 153 CHCH
LMEL eP 12:46:28.51 1.5 2.7 145 LMEL
iS 12:47:00.73 S res = 2.0X
CACH eP 12:46:30.21 2.5 2.7 154 CACH
LCO P 12:46:32.98 3.2 2.9 24 d:1.2+2 4.4X L:8.4-2 .60 3.0 LCO
g:5.4-2 .75 3.0
SFDO iPc 12:46:33.36 1.1 3.1 164 SFDO
Generated 2007 JUL 29 at 22:37 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
