Phase Data
Explanation of Parameters
20 JUL 2007 (201)
ot = 02:57:26.10 +/- 0.00 OFFSHORE VALPARAISO, CHILE
lat = -32.663 +/- 0.0
lon = -71.732 +/- 0.0
dep = 20.3 +/- 0.0
45 km (30 miles) NNW of Valparaiso, Chile (pop 283,000)
125 km (80 miles) SSW of Illapel, Chile (pop 21,000)
130 km (80 miles) NW of SANTIAGO, Chile (pop 4,655,000)
190 km (120 miles) NNW of Rancagua, Chile
ML 3.6 (GUC).
nph = 13 of 26 se = 0.00 FE=135 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 = 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
IHA iPd 02:57:33.94 -0.1 0.4 168 IHA
iS 02:57:39.49 S res = 0.2X
ROCH iPc 02:57:39.29 -0.1 0.7 117 ROCH
iS 02:57:48.95 S res = 0.4X
LCCH iPc 02:57:40.88 -0.8 0.8 170 LCCH
iS 02:57:51.82 S res = -0.5X
JACH iPc 02:57:43.33 -0.8 1.0 91 JACH
iS 02:57:56.13 S res = -0.3X
TACH iPc 02:57:46.89 -0.8 1.2 146 TACH
iS 02:58:02.21 S res = -0.8X
SAN iPd 02:57:47.35 -0.4 1.2 132 SAN
iS 02:58:03.13 S res = 0.0X
LNV iPc 02:57:47.94 -1.4 1.3 168 LNV
iS 02:58:05.36 S res = -1.0X
ANTU eP 02:57:48.55 -0.5 1.3 135 ANTU
iS 02:58:05.52 S res = -0.2X
PCH iPc 02:57:50.50 -0.1 1.4 133 PCH
iS 02:58:08.79 S res = -0.3X
SJCH iPc 02:57:52.18 0.1 1.5 131 SJCH
iS 02:58:11.92 S res = -0.4X
LMEL iPd 02:57:55.71 0.4 1.7 133 LMEL
iS 02:58:18.55 S res = -0.5X
CACH iPc 02:57:56.13 0.9 1.7 147 CACH
eS 02:58:19.27 S res = 0.6X
SFDO P 02:57:59.16 -0.1 2.0 163 SFDO
iS 02:58:26.59 S res = -0.8X
Generated 2007 JUL 26 at 05:27 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver