Phase Data
1 OCT 2011 (274)
ot = 19:28:52.32 +/- 2.06 LUZON, PHILIPPINES
lat = 18.276 +/- 10.7
lon = 120.767 +/- 16.9 MAGNITUDE 4.5 (GS)
dep = 31.2 +/- 8.9
20 km (12 miles) ENE of Laoag, Luzon, Philippines (pop 94,000)
172 km (107 miles) NW of Ilagan, Luzon, Philippines
407 km (252 miles) N of MANILA, Philippines
752 km (467 miles) S of TAIPEI, Taiwan
nph = 34 of 35 se = 1.01 FE=249 A
error ellipse = ( 86.0, 9.0, 26.3;355.0, 7.0, 16.5;228.0, 78.0, 13.0)
mb = 4.5 ( 14) 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
SZP ePn 19:29:10.40 3.2 0.8 203 SZP
TWG ePn 19:29:59.48 0.7 4.5 4 TWG
eSn 19:30:49.20 S res = -1.2
TPUB ePn 19:30:05.42 0.1 5.0 359 TPUB
eSn 19:30:58.80 S res = -3.3
YULB ePn 19:30:07.01 0.2 5.1 6 YULB
eSn 19:31:04.25 S res = -0.6
SSLB ePn 19:30:12.33 0.3 5.5 2 SSLB
ePg 19:30:17.45 -10.0X
YHNB ePn 19:30:25.47 1.1 6.4 5 YHNB
eSn 19:31:35.65 S res = -0.7
QIZ ePn 19:31:16.33 -2.8 10.4 276 QIZ
eSn 19:33:07.96 S res = -6.5
SLVN ePn 19:32:36.05 -1.2 16.2 284 b:1.4+1 .90 4.1 SLVN
SBUM ePn 19:33:00.32 2.2 17.8 209 b:1.0+1 1.2 3.8 SBUM
KSM eP 19:33:19.70 1.5 19.6 213 b:9.9+0 1.0 4.1 KSM
CHTO eP 19:33:30.14 0.0 20.7 275 b:9.1+0 .90 4.2 CHTO
CM01 eP 19:33:30.24 0.1 20.7 274 CM01
CM31 eP 19:33:31.05 0.7 20.7 274 CM31
LSA eP 19:34:53.03 0.5 29.3 298 b:1.2+1 1.5 4.4 LSA
WB2 eP 19:36:24.97 -1.6 40.3 160 WB2
eP 19:36:25.85 -0.7
WRAB eP 19:36:25.58 -0.9 40.3 160 b:1.8+1 .75 4.9 WRAB
eS 19:42:32.31 S res = 0.4
MK01 eP 19:36:44.25 -0.2 42.5 321 MK01
MKAR eP 19:36:45.07 0.5 42.5 321 b:3.4+1 .90 5.1 MKAR
MK31 eP 19:36:45.07 0.5 42.5 321 MK31
AS01 eP 19:36:53.54 -0.6 43.6 162 AS01
AS31 eP 19:36:54.00 0.0 43.6 162 b:1.9+0 .65 4.0 AS31
ZAA0 eP 19:37:04.45 -0.9 45.1 331 ZAA0
KURK eP 19:37:16.78 0.2 46.5 324 b:1.1+1 .85 4.8 KURK
KKAR eP 19:37:35.51 0.0 48.9 312 b:1.6+1 .95 5.0 KKAR
BRVK eP 19:37:59.97 0.1 52.2 324 b:4.1+0 .95 4.4 BRVK
BBOO eP 19:38:05.77 0.6 52.9 164 b:1.9+1 .70 5.2 BBOO
ABKAReP 19:38:37.26 -0.5 57.4 317 b:1.1+1 .55 5.1 ABKA
Generated 2011 OCT 1 at 21:22 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
