9 APR 2009 ( 99)
ot = 23:39:56.80 +/- 0.70 SIBUYAN SEA, PHILIPPINES
lat = 12.431 +/- 14.1
lon = 122.644 +/- 37.4
dep = 35.0 (geophysicist)
95 km (55 miles) N of Roxas, Panay, Philippines (pop 126,000)
105 km (65 miles) W of Masbate, Masbate, Philippines (pop 71,000)
145 km (90 miles) SSW of Naga, Luzon, Philippines (pop 137,000)
300 km (190 miles) SE of MANILA, Philippines
Felt (III PIVS) at Masbate and at Irosin and Sorsogon, Luzon. Felt
(II PIVS) at Legaspi, Santo Domingo, Santa Misericordia, Luzon.
nph = 8 of 9 se = 0.86 FE=249 C
error ellipse = ( 73.4, 0.0, 51.6;163.4, 0.0, 12.0; 0.0, 0.0, 0.0)
mb = 4.4 ( 4) 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
AS31 eP 23:47:07.11 -0.6 37.5 163 AS31
ULN eP 23:47:08.18 -0.5 37.7 343 b:2.9+0 .85 4.2 ULN
NWAO eP 23:48:13.25 1.2 45.4 186 NWAO
BBOO eP 23:48:22.34 -0.6 46.8 164 BBOO
MK31 eP 23:48:33.66 -0.1 48.2 323 MK31
STKA eP 23:48:36.19 6.4X 47.7 158 STKA
KURK eP 23:49:04.68 -0.1 52.3 326 b:5.2+0 .55 4.7 KURK
BRVK eP 23:49:45.29 -0.4 58.0 326 b:4.8+0 1.0 4.5 BRVK
TIXI eP 23:49:55.77 1.1 59.3 2 b:1.4+0 .65 4.2 TIXI
Generated 2009 APR 12 at 23:21 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
