Phase Data
7 JAN 2012 ( 7)
ot = 18:01:01.01 +/- 2.39 BABUYAN ISL REGION, PHILIPPINES
lat = 19.294 +/- 11.8
lon = 121.163 +/- 12.6 MAGNITUDE 4.7 (GS)
dep = 43.8 +/- 7.8
135 km (84 miles) NNE of Laoag, Luzon, Philippines (pop 94,000)
151 km (94 miles) SW of Basco, Batan Islands, Philippines (pop N/A)
519 km (322 miles) N of MANILA, Philippines
637 km (395 miles) S of TAIPEI, Taiwan
nph = 47 of 47 se = 1.18 FE=248 A
error ellipse = (103.0, 5.0, 19.3;194.0, 12.0, 18.3;349.0, 75.0, 11.3)
mb = 4.7 ( 23) ML = 0.0 ( 0) mblg = 3.8 ( 6) md = 0.0 ( 0) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
TWG ePn 18:01:51.35 -1.7 3.5 359 g:4.8-1 .85 4.1 TWG
TPUB ePn 18:01:58.84 -1.2 4.0 353 g:1.6-1 .75 3.7 TPUB
YULB ePn 18:01:59.55 -1.4 4.1 2 g:1.4-1 .95 3.6 YULB
SSLB ePn 18:02:05.71 -0.7 4.5 358 g:2.4-1 1.2 3.9 SSLB
NACB ePn 18:02:11.47 -0.3 4.9 5 g:1.5-1 1.2 3.7 NACB
YOJ ePn 18:02:17.78 -1.6 5.4 18 YOJ
YHNB ePn 18:02:19.40 0.9 5.4 2 g:1.9-1 1.1 3.9 YHNB
JOW ePn 18:03:23.03 1.5 10.0 40 JOW
JNU ePn 18:04:46.92 0.2 16.3 30 b:3.9+1 1.0 4.5 JNU
KS15 eP 18:05:19.08 -0.6 19.1 17 KS15
KS01 eP 18:05:19.84 0.3 19.0 17 KS01
CM01 eP 18:05:41.28 0.0 21.0 271 CM01
CHTO eP 18:05:41.78 0.7 21.0 272 b:1.7+1 1.0 4.4 CHTO
CM31 eP 18:05:41.89 0.5 21.0 271 CM31
INU eP 18:05:44.89 1.2 21.3 38 b:4.7+1 .80 4.9 INU
SONA1eP 18:07:13.86 0.2 30.9 341 SONA
WRAB eP 18:08:40.57 -0.1 41.1 161 b:2.2+1 1.5 4.7 WRAB
MK01 eP 18:08:46.56 -0.8 41.9 320 MK01
MK31 eP 18:08:48.07 0.6 41.9 320 MK31
MKAR eP 18:08:48.08 0.6 41.9 320 b:4.4+1 .80 5.2 MKAR
MAKZ eP 18:08:49.91 0.8 42.1 320 b:8.1+0 .90 4.5 MAKZ
YAK eP 18:08:55.65 -1.0 43.1 6 b:9.7+0 .90 4.5 YAK
PETK eP 18:09:02.88 -1.0 44.0 31 PETK
ZALV eP 18:09:06.12 -1.0 44.4 330 ZALV
ZAA0 eP 18:09:06.21 -0.9 44.4 330 b:5.5+0 .75 4.4 ZAA0
AS01 eP 18:09:06.54 -1.7 44.5 163 AS01
AS31 eP 18:09:07.34 -0.8 44.5 163 b:1.4+0 .65 3.9 AS31
KURK eP 18:09:19.33 0.2 45.9 323 b:8.7+0 .90 4.7 KURK
KKAR eP 18:09:42.26 2.4 48.5 311 b:2.9+1 .90 5.3 KKAR
BRVK eP 18:10:03.27 0.6 51.6 323 b:4.9+0 .75 4.6 BRVK
BBOO eP 18:10:19.31 0.5 53.7 164 b:3.2+1 .85 5.4 BBOO
ABKAReP 18:10:42.30 0.7 56.9 317 b:5.5+1 .60 5.8 ABKA
ARU eP 18:10:55.85 -0.5 59.0 325 b:7.5+0 .70 4.9 ARU
RAYN eP 18:12:06.65 -0.9 69.8 289 b:6.6+0 1.1 4.5 RAYN
IMAR eP 18:12:11.21 0.0 70.6 26 IMAR
CAST eP 18:12:17.14 0.1 71.5 28 b:8.7+0 .68 4.8 CAST
COLD eP 18:12:18.32 -0.8 71.9 24 b:1.4+1 1.6 4.7 COLD
MLY eP 18:12:20.14 0.7 71.9 27 b:4.2+1 1.9 5.1 MLY
MCK eP 18:12:25.82 0.7 72.9 28 b:7.6+1 2.0 5.3 MCK
ILB eP 18:12:28.90 -0.3 73.6 27 ILB
INK eP 18:12:52.15 -0.9 77.8 22 b:7.8+0 1.0 4.7 INK
BUR04eP 18:13:04.79 -0.6 79.9 317 BUR0
BUR08eP 18:13:05.68 0.3 79.9 317 BUR0
TULEGeP 18:13:28.03 0.8 84.2 2 b:7.4+0 .90 4.8 TULE
B022 eP 18:14:08.88 1.7 92.4 39 B022
NMTM eP 18:14:27.44 -1.3 97.1 45 NMTM
NLHM eP 18:14:29.92 -1.3 97.6 45 NLHM
Generated 2012 JAN 7 at 18:26 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
