Phase Data
18 OCT 2011 (291)
ot = 18:19:22.90 +/- 2.54 KEP. MENTAWAI REGION, INDONESIA
lat = -2.976 +/- 9.9
lon = 100.949 +/- 14.1 MAGNITUDE 4.8 (GS)
dep = 40.8 +/- 6.9
172 km (107 miles) WNW of Bengkulu, Sumatra, Indonesia
215 km (134 miles) W of Lubuklinggau, Sumatra, Indonesia
572 km (355 miles) SW of SINGAPORE
741 km (460 miles) WNW of JAKARTA, Java, Indonesia
nph = 48 of 48 se = 1.25 FE=274 A
error ellipse = (246.0, 1.0, 22.9;156.0, 1.0, 13.2; 24.0, 87.0, 10.5)
mb = 4.8 ( 27) ML = 4.4 ( 12) mblg = 3.8 ( 8) md = 0.0 ( 0) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
MNAI ePn 18:20:01.14 1.0 2.4 125 L:2.3+1 .65 5.2 g:2.3+0 .80 4.6 MNAI
BKNI ePn 18:20:14.40 2.6 3.3 2 L:3.1+0 1.0 4.6 g:1.1+0 1.1 4.4 BKNI
MYKOMePn 18:20:44.05 1.0 5.5 32 L:1.8-1 1.2 4.1 g:9.0-2 1.1 3.6 MYKO
IPM ePn 18:21:12.34 3.8 7.4 1 L:5.0-2 1.9 4.1 g:2.0-2 .95 3.1 IPM
CISI ePn 18:21:19.71 0.1 8.2 124 L:2.5-1 1.1 5.0 g:5.0-2 .95 3.5 CISI
KULM ePn 18:21:23.05 3.4 8.2 358 L:4.0-2 2.4 4.2 g:3.0-2 1.2 3.4 KULM
SBUM ePn 18:22:22.41 4.2 12.5 65 SBUM
JAGI ePn 18:22:39.36 -2.5 14.2 113 JAGI
MYLDMeP 18:23:46.48 1.7 19.3 65 b:4.7+1 1.0 4.7 MYLD
CM01 eP 18:24:04.41 -2.4 21.4 355 CM01
CM31 eP 18:24:04.82 -2.4 21.4 355 CM31
CHTO eP 18:24:08.54 -2.5 21.7 355 b:6.0+0 .95 4.0 CHTO
FITZ eP 18:25:13.66 -0.9 28.5 124 b:9.7+0 .90 4.5 FITZ
ENH eP 18:26:02.13 -1.3 34.1 13 b:1.1+1 1.0 4.7 ENH
LSA eP 18:26:03.03 1.1 33.8 345 b:5.6+0 .95 4.4 LSA
WB2 eP 18:26:25.35 -1.0 36.7 120 WB2
eP 18:26:25.50 -0.8
WRAB eP 18:26:25.53 -0.8 36.7 120 b:1.7+1 .85 5.0 WRAB
AS01 eP 18:26:36.34 -0.6 38.0 126 AS01
AS31 eP 18:26:36.70 0.1 37.9 126 b:2.9+0 .60 4.3 AS31
eS 18:32:25.80 S res = 0.0
JNU eP 18:27:40.84 0.6 45.7 36 b:3.0+1 1.2 5.1 JNU
KS01 eP 18:27:53.94 0.7 47.4 29 KS01
STKA eP 18:27:57.22 0.7 47.8 132 b:1.8+0 .75 4.2 STKA
SONA1eP 18:28:19.39 -0.2 50.8 5 SONA
ULN eP 18:28:20.46 0.3 50.9 5 b:1.2+1 .90 4.9 ULN
AAK eP 18:28:24.51 1.1 51.3 335 b:6.3+0 .95 4.6 AAK
MK01 eP 18:28:29.27 -0.4 52.2 344 MK01
MK31 eP 18:28:29.95 0.1 52.2 344 MK31
MKAR eP 18:28:29.95 0.1 52.2 344 b:9.5+1 .85 5.8 MKAR
MAKZ eP 18:28:30.59 0.0 52.3 344 b:1.5+1 1.0 4.9 MAKZ
KKAR eP 18:28:39.11 0.1 53.4 333 b:2.3+1 .65 5.3 KKAR
TLY eP 18:28:46.85 0.4 54.5 2 b:1.3+1 1.0 4.9 TLY
KURK eP 18:29:03.01 0.0 56.8 343 b:1.4+1 1.0 4.9 KURK
epP 18:29:14.36 depth = -0.2
ZAA0 eP 18:29:12.50 -0.9 58.3 349 ZAA0
eP 18:29:12.62 -0.8
BRVK eP 18:29:34.56 -0.8 61.5 340 b:6.8+0 .85 4.8 BRVK
ABKAReP 18:29:44.97 -0.3 62.9 331 b:1.8+2 .90 6.2 ABKA
YAK eP 18:30:17.36 -3.0 68.4 14 b:3.5+1 .90 5.4 YAK
ARU eP 18:30:20.26 -0.5 68.5 336 b:9.5+0 .90 4.8 ARU
MARD eP 18:30:23.79 1.7 68.6 312 b:1.4+1 .92 5.0 MARD
MAW eP 18:30:30.47 3.1 69.6 195 b:1.4+0 1.0 3.9 MAW
BR231eP 18:30:59.54 -2.9 75.3 312 BR23
epP 18:31:14.27 depth = 0.0
TIXI eP 18:31:07.30 -1.8 76.7 9 b:9.5+0 .90 4.8 TIXI
VNDA eP 18:31:31.53 -1.5 81.0 169 b:8.2+0 1.2 4.6 VNDA
BUR08eP 18:31:43.42 1.2 82.6 319 BUR0
Generated 2011 OCT 19 at 01:46 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
