Phase Data
5 SEP 2011 (248)
ot = 04:45:07.97 +/- 1.25 LUZON, PHILIPPINES
lat = 17.815 +/- 15.6
lon = 121.500 +/- 13.9 MAGNITUDE 4.8 (GS)
dep = 35.1 +/- 3.3
85 km (53 miles) NNW of Ilagan, Luzon, Philippines (pop N/A)
105 km (65 miles) ESE of Laoag, Luzon, Philippines (pop 94,000)
182 km (113 miles) NNE of Baguio, Luzon, Philippines
359 km (223 miles) N of MANILA, Philippines
nph = 34 of 35 se = 0.62 FE=249 A
error ellipse = (155.0, 2.0, 24.6;245.0, 0.0, 20.6;339.0, 87.0, 4.8)
mb = 4.8 ( 22) ML = 3.8 ( 12) mblg = 3.2 ( 5) md = 0.0 ( 0) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
TWG ePn 04:46:21.04 0.6 5.0 356 L:4.6-1 .80 4.4 g:9.0-2 .75 3.5 TWG
TPUB ePn 04:46:28.90 1.2 5.5 352 L:1.0-1 .95 3.8 g:5.0-2 1.2 3.3 TPUB
YULB ePn 04:46:30.45 2.3 5.6 358 L:4.0-2 1.8 3.5 g:2.0-2 .95 2.8 YULB
SSLB ePn 04:46:35.30 1.5 6.0 355 L:7.0-2 1.3 3.8 g:2.0-2 .85 2.9 SSLB
NACB ePn 04:46:40.30 1.5 6.3 1 L:5.0-2 1.2 3.8 NACB
YHNB ePn 04:46:47.09 1.5 6.8 359 L:1.0-1 2.2 4.2 YHNB
SLVN ePn 04:49:02.50 0.1 16.9 285 b:1.0+1 1.2 3.8 SLVN
JNU ePn 04:49:08.99 0.7 17.4 27 b:1.9+1 .90 4.2 JNU
KS01 eP 04:49:41.19 -0.4 20.4 15 KS01
KS15 eP 04:49:42.00 0.2 20.4 15 KS15
CHTO eP 04:49:53.63 0.4 21.4 276 b:1.4+1 1.2 4.2 CHTO
ULN eP 04:51:33.28 0.3 32.2 342 b:7.2+0 .90 4.6 ULN
SONA1eP 04:51:34.83 0.3 32.4 341 SONA
TLY eP 04:52:10.73 -0.2 36.6 341 b:9.7+0 .80 4.7 TLY
MK01 eP 04:53:05.87 -0.1 43.3 321 MK01
MK31 eP 04:53:06.40 0.2 43.3 321 MK31
MKAR eP 04:53:06.40 0.2 43.3 321 b:2.8+1 .65 5.2 MKAR
MAKZ eP 04:53:07.99 0.3 43.5 321 b:4.7+0 1.0 4.2 MAKZ
YAK eP 04:53:15.37 -0.6 44.5 6 b:9.3+1 .50 5.9 YAK
ZAA0 eP 04:53:25.37 -1.0 45.8 331 ZAA0
KURK eP 04:53:37.42 -0.3 47.3 324 b:1.5+1 1.0 4.9 KURK
KBL eP 04:53:54.49 -0.2 49.4 301 b:7.9+0 1.0 4.7 KBL
KKAR eP 04:53:56.45 -0.5 49.7 312 b:1.9+1 .55 5.3 KKAR
BRVK eP 04:54:20.72 0.0 52.9 324 b:1.1+1 1.2 4.7 BRVK
ABKAReP 04:54:57.56 -1.0 58.2 317 b:4.2+1 1.1 5.4 ABKA
ARU eP 04:55:12.46 -1.3 60.4 325 b:8.3+0 .90 4.9 ARU
CAST eP 04:56:32.06 0.3 72.6 28 b:1.2+1 .84 4.9 CAST
MCK eP 04:56:39.70 -0.1 74.0 28 b:1.2+1 .96 4.8 MCK
RND eP 04:56:39.92 -0.4 74.1 28 b:1.5+1 1.1 4.9 RND
MDM eP 04:56:41.12 0.5 74.1 26 b:1.2+1 1.2 4.7 MDM
FIA1 eP 04:56:56.45 -1.0 77.1 331 FIA1
MENT eP 04:56:57.18 3.2X 76.5 28 b:8.5+0 .40 5.1 MENT
EGAK eP 04:56:57.61 -0.1 77.1 26 b:5.8+0 1.0 4.6 EGAK
NC405eP 04:57:32.50 -0.7 83.7 333 NC40
D08A eP 04:58:27.67 -2.7 95.7 37 b:5.4+0 1.1 4.9 D08A
Generated 2011 SEP 5 at 05:05 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
