Phase Data
4 FEB 2013 ( 35)
ot = 08:08:30.50 +/- 3.15 BABUYAN ISL REGION, PHILIPPINES
lat = 19.024 +/- 11.0
lon = 121.052 +/- 13.8 MAGNITUDE 4.6 (GS)
dep = 48.9 +/- 8.4
103 km (64 miles) NNE of Laoag, Luzon, Philippines (pop 94,000)
183 km (114 miles) SSW of Basco, Batan Islands, Philippines
489 km (304 miles) N of MANILA, Philippines
667 km (414 miles) S of TAIPEI, Taiwan
nph = 36 of 36 se = 1.55 FE=248 A
error ellipse = ( 87.0, 14.0, 21.6;181.0, 15.0, 17.1;316.0, 68.0, 11.5)
mb = 4.6 ( 12) ML = 4.3 ( 20) mblg = 3.5 ( 7) md = 4.3 ( 1) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
TWG ePn 08:09:24.06 -2.1 3.8 0 L:2.3+0 .45 4.7 g:3.1-1 .90 3.9 TWG
TPUB ePn 08:09:31.26 -1.8 4.3 355 L:3.4-1 1.0 4.0 TPUB
YULB ePn 08:09:32.74 -1.4 4.4 3 L:2.1-1 .40 3.8 g:5.0-2 .95 3.2 YULB
SSLB ePn 08:09:38.16 -1.3 4.7 359 L:2.6-1 .80 4.0 g:9.0-2 1.0 3.5 SSLB
NACB ePn 08:09:43.74 -1.3 5.2 6 L:1.3-1 .50 3.9 g:5.0-2 .95 3.3 NACB
YOJ ePn 08:09:52.81 0.0 5.7 18 L:3.6-1 3.1 4.5 YOJ
TATO ePn 08:09:56.22 0.4 5.9 4 L:1.8-1 1.6 4.2 TATO
JOW ePn 08:10:53.02 -1.7 10.2 39 JOW
QIZ ePn 08:10:57.45 -2.4 10.6 272 QIZ
eSn 08:12:53.88 S res = -3.3
KS15 eP 08:12:50.23 -1.7 19.3 17 KS15
KS01 eP 08:12:50.65 -1.1 19.3 17 KS01
CM01 eP 08:13:09.59 0.3 20.9 272 CM01
CHTO eP 08:13:10.22 1.1 20.9 273 b:1.4+1 .85 4.3 CHTO
BJT eP 08:13:15.38 1.9 21.3 350 b:2.7+1 .80 4.7 BJT
MK01 eP 08:16:18.12 0.7 42.1 320 MK01
ePcP 08:18:10.87 -0.7
MK31 eP 08:16:18.52 0.9 42.1 320 MK31
MKAR eP 08:16:18.63 1.0 42.1 320 b:1.4+1 .50 5.0 MKAR
AS31 eP 08:16:34.93 -0.4 44.2 163 b:9.0-1 .45 3.8 AS31
ZALV eP 08:16:37.44 -0.1 44.6 330 ZALV
NRN eP 08:16:37.77 2.1 44.3 310 b:1.3+1 .80 4.7 NRN
NIL eP 08:16:40.92 0.8 44.8 299 b:2.9+1 .75 5.2 NIL
KURK eP 08:16:50.08 0.8 46.0 324 b:4.8+0 .95 4.4 KURK
GAR eP 08:17:05.32 0.7 48.0 306 b:1.6+1 .68 5.2 GAR
BTK eP 08:17:05.45 2.4 47.8 307 b:3.1+0 .70 4.4 BTK
KKAR eP 08:17:10.60 1.1 48.6 311 KKAR
KK31 eP 08:17:10.60 1.1 48.6 311 KK31
ePcP 08:18:34.00 -0.5
CHGR eP 08:17:11.71 0.7 48.8 305 b:1.1+1 .64 5.0 CHGR
BRVK eP 08:17:33.78 1.0 51.7 324 b:4.3+0 .65 4.6 BRVK
ABKAReP 08:18:11.70 0.3 57.0 317 ABKA
BUR04eP 08:20:34.27 -0.7 80.0 317 BUR0
YKB5 eP 08:21:12.94 -1.0 87.8 23 YKB5
MOD epP 08:22:11.97 0.4 97.1 41 MOD
WRAB eS 08:22:13.27 -2.5 40.9 161 WRAB
Generated 2013 FEB 4 at 11:15 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
