Phase Data
8 JAN 2013 ( 8)
ot = 02:51:45.00 +/- 1.87 BABUYAN ISL REGION, PHILIPPINES
lat = 19.221 +/- 6.8
lon = 121.257 +/- 14.3 MAGNITUDE 4.6 (GS)
dep = 10.0 +/- 1.9
133 km (83 miles) NNE of Laoag, Luzon, Philippines (pop 94,000)
153 km (95 miles) SSW of Basco, Batan Islands, Philippines (pop N/A)
511 km (318 miles) N of MANILA, Philippines
644 km (400 miles) S of TAIPEI, Taiwan
nph = 59 of 59 se = 0.92 FE=248 A
error ellipse = (276.0, 0.0, 22.0;186.0, 1.0, 10.2; 13.0, 88.0, 2.8)
mb = 4.5 ( 33) ML = 4.3 ( 18) mblg = 3.8 ( 7) md = 4.5 ( 1) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
TWG ePn 02:52:40.71 0.0 3.6 357 L:4.7+0 .50 4.9 g:8.5-1 1.1 4.3 TWG
eSn 02:53:18.31 S res = -4.8
TPUB ePn 02:52:46.66 -1.2 4.1 352 L:6.4-1 .95 4.2 g:3.0-1 1.1 4.0 TPUB
eSn 02:53:29.70 S res = -6.2
YULB ePn 02:52:49.81 1.3 4.2 1 L:4.3-1 .60 4.1 g:2.0-1 1.2 3.8 YULB
SSLB ePn 02:52:53.91 -0.1 4.6 357 L:6.0-1 .75 4.3 g:1.6-1 1.0 3.7 SSLB
eSn 02:53:40.45 S res = -6.6
NACB ePn 02:53:01.26 2.0 4.9 4 L:3.2-1 1.1 4.2 g:7.0-2 .90 3.4 NACB
YHNB ePn 02:53:07.46 1.4 5.4 1 L:4.5-1 1.4 4.5 g:1.0-1 .90 3.6 YHNB
eSn 02:54:06.30 S res = -2.3
KKM ePn 02:55:02.33 -1.2 14.0 201 KKM
JNU ePn 02:55:35.29 1.1 16.3 30 b:2.8+1 .90 4.4 JNU
SBUM eP 02:56:05.23 -0.4 18.9 209 b:1.6+1 1.0 4.2 SBUM
KS01 eP 02:56:07.85 0.0 19.1 16 KS01
KS15 eP 02:56:08.17 0.1 19.1 16 KS15
PBKT eP 02:56:13.32 1.0 19.5 266 b:1.0+1 1.1 4.0 PBKT
KSM eP 02:56:25.02 0.1 20.6 213 b:2.3+1 1.0 4.5 KSM
CHTO eP 02:56:29.44 -0.5 21.1 273 b:9.5+0 .75 4.3 CHTO
CM31 eP 02:56:29.75 -0.5 21.1 272 CM31
CM01 eP 02:56:30.46 0.3 21.1 272 CM01
INU eP 02:56:31.28 -0.3 21.3 38 b:3.2+1 .70 4.8 INU
SONA1eP 02:58:01.62 -1.2 31.0 340 SONA
ULN eP 02:58:04.27 3.0 30.8 341 b:2.7+0 .80 4.2 ULN
WB2 eP 02:59:26.97 -1.4 41.0 161 b:5.8+0 .70 4.4 WB2
eP 02:59:27.10 -1.2
MK01 eP 02:59:37.07 0.3 42.0 320 MK01
MK31 eP 02:59:37.25 0.4 42.0 320 MK31
MKAR eP 02:59:37.27 0.4 42.0 320 b:2.3+1 .60 5.1 MKAR
MAKZ eP 02:59:39.19 0.7 42.3 320 b:2.6+0 .85 4.0 MAKZ
NRN eP 02:59:53.27 -2.1 44.3 310 b:2.5+0 .95 4.1 NRN
AS01 eP 02:59:54.84 -1.1 44.4 163 AS01
ZALV eP 02:59:55.12 -1.3 44.5 330 ZALV
ZAA0 eP 02:59:55.40 -1.1 44.5 330 b:2.2+0 .80 4.1 ZAA0
AS31 eP 02:59:55.55 -0.3 44.4 163 b:2.9+0 .50 4.4 AS31
NIL eP 03:00:00.44 0.1 44.9 299 b:1.0+1 .85 4.8 NIL
KURK eP 03:00:08.03 -0.5 46.0 323 b:4.4+0 .85 4.5 KURK
MORW eP 03:00:26.37 0.0 48.3 186 b:2.2+1 .85 5.3 MORW
FORT eP 03:00:40.77 0.1 50.1 172 b:4.4+1 .70 5.5 FORT
BRVK eP 03:00:52.89 0.8 51.7 323 b:4.3+0 .85 4.4 BRVK
BBOO eP 03:01:07.19 0.4 53.6 165 b:4.8+1 .70 5.6 BBOO
STKA eP 03:01:12.85 0.4 54.4 159 b:1.2+0 .70 4.0 STKA
ABKAReP 03:01:31.37 0.4 57.0 317 ABKA
CAST eP 03:03:06.74 0.8 71.5 28 b:6.6+0 .76 4.8 CAST
MLY eP 03:03:09.26 0.9 71.9 27 MLY
MDM eP 03:03:15.38 0.7 73.0 26 b:5.9+0 .76 4.8 MDM
IL1 eP 03:03:16.54 -1.6 73.6 27 IL1
ILB eP 03:03:17.97 -0.2 73.6 27 ILB
SCRK eP 03:03:26.50 0.0 75.0 27 b:2.1+0 .64 4.3 SCRK
DAWY eP 03:03:37.82 0.4 76.9 26 b:3.5+0 .85 4.5 DAWY
INK eP 03:03:41.97 -0.1 77.8 22 b:4.6+0 .90 4.6 INK
ePcP 03:03:50.90 -1.2
OJC eP 03:04:07.64 -0.4 82.5 321 b:4.7+0 .80 4.7 OJC
RES eP 03:04:12.87 0.1 83.5 9 b:1.1+1 .85 5.1 RES
TULEGeP 03:04:16.49 0.0 84.3 2 b:6.4+0 .80 4.9 TULE
YKB5 eP 03:04:32.14 -0.7 87.5 23 YKB5
YKW3 eP 03:04:32.59 0.0 87.5 23 b:1.7+1 .70 5.4 YKW3
JCT ePKPdf 03:10:30.70 0.4 116.7 39 JCT
LNIG ePKPdf 03:10:37.83 -0.6 120.9 44 LNIG
OHAK eS 03:12:23.28 -2.6 71.6 35 OHAK
Generated 2013 JAN 8 at 04:45 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
