Phase Data
Explanation of Parameters
11 APR 2009 (101)
ot = 08:44:25.98 +/- 0.00 PUERTO RICO REGION
lat = 18.565 +/- 0.0
lon = -66.455 +/- 0.0
dep = 5.8 +/- 0.0
30 km (20 miles) ENE of Arecibo, Puerto Rico (pop 49,000)
35 km (20 miles) WNW of SAN JUAN, Puerto Rico (pop 421,000)
65 km (40 miles) NNE of Ponce, Puerto Rico (pop 155,000)
160 km (100 miles) W of CHARLOTTE AMALIE, US Virgin Islands (pop 11,000)
MD 2.7 (RSPR).
nph = 7 of 15 se = 0.00 FE=090 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
AOPR ePd 08:44:33.21 0.3 0.4 233 AOPR
eS 08:44:39.00 S res = 1.4X
CELP ePd 08:44:35.92 0.3 0.5 194 CELP
eS 08:44:43.15 S res = 1.0X
OBIP ePc 08:44:36.46 0.1 0.5 195 OBIP
eS 08:44:44.43 S res = 1.1X
CBYP ePd 08:44:37.86 -0.4 0.6 117 CBYP
eS 08:44:47.37 S res = 0.8X
HUMP ePd 08:44:39.06 -0.6 0.7 126 HUMP
eS 08:44:49.61 S res = 0.7X
CRPR ePd 08:44:40.98 -1.0 0.8 228 CRPR
eS 08:44:52.60 S res = -0.2X
MTP ePd 08:44:43.10 -1.6 1.0 118 MTP
eS 08:44:56.14 S res = -1.2X
eS 08:44:56.45 S res = -0.9X
Generated 2009 APR 13 at 12:16 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver