24 APR 2009 (114)
ot = 10:55:49.07 +/- 0.49 LUZON, PHILIPPINES
lat = 18.951 +/- 5.5
lon = 121.354 +/- 9.9 MAGNITUDE 4.7 (GS)
dep = 35.0 (geophysicist)
110 km (70 miles) NE of Laoag, Luzon, Philippines (pop 94,000)
175 km (110 miles) SSW of Basco, Batan Islands, Philippines
480 km (300 miles) N of MANILA, Philippines
680 km (420 miles) S of T'AI-PEI, Taiwan
nph = 18 of 23 se = 1.14 FE=249 A
error ellipse = ( 93.4, 0.0, 13.0;183.4, 0.0, 7.2; 0.0, 0.0, 0.0)
mb = 4.7 ( 10) ML = 4.5 ( 3) mblg = 3.7 ( 5) md = 0.0 ( 0) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
TPUB ePn 10:56:51.55 -1.6 4.4 351 L:5.6-1 1.0 4.4 g:4.0-1 1.1 3.9 TPUB
SSLB ePn 10:56:58.15 -1.2 4.8 356 L:9.4-1 1.3 4.8 g:1.8-1 .90 3.7 SSLB
NACB ePn 10:57:04.01 -0.4 5.2 2 L:2.9-1 1.1 4.4 g:1.6-1 1.1 3.6 NACB
TATO ePn 10:57:17.18 1.9 6.0 1 L:3.1-1 1.5 4.5X g:1.5-1 1.3 3.7 TATO
eSn 10:58:25.92 S res = 3.1X
JOW ePn 10:58:13.39 1.6 10.1 38 JOW
DAV 10:58:44.64 0.0 12.5 160 DAV
JNU ePn 10:59:38.74 1.0 16.5 29 b:3.2+1 1.1 4.4 JNU
KSM ePn 11:00:28.16 1.9 20.5 213 b:3.1+1 .70 4.8 KSM
CHTO eP 11:00:32.01 0.1 21.2 273 b:3.1+1 1.2 4.6 CHTO
eS 11:04:25.36 S res = -0.5X
ePcP 11:04:36.83 0.2X
MAJO eP 11:00:49.40 -0.9 22.9 37 b:4.6+1 1.3 4.8 MAJO
KAPI eP 11:00:59.53 0.1 23.9 184 g:1.7-2 1.0 3.8 b:1.4+1 .80 4.5 KAPI
ULN eP 11:02:04.68 0.4 31.1 341 b:1.6+1 1.1 4.7 ULN
WRAB P 11:03:24.81 -1.6 40.7 161 b:5.8+0 .70 4.4 WRAB
ePcP 11:05:28.31 0.6X
AS31 e 11:03:53.30 -0.8 44.1 163 AS31
ZAA0 P 11:03:58.52 -0.6 44.8 330 ZAA0
KURK P 11:04:10.97 -0.1 46.3 323 b:1.6+1 1.1 4.9 KURK
KKAR 11:04:24.17 -7.4X 48.9 311 KKAR
KBL P 11:04:30.52 0.0 48.7 300 b:1.9+1 .93 5.1 KBL
BRVK P 11:04:54.70 0.2 52.0 323 b:3.2+1 1.4 5.1 BRVK
Generated 2009 APR 24 at 11:12 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
