Phase Data
26 MAY 2011 (146)
ot = 15:38:02.14 +/- 2.79 NIAS REGION, INDONESIA
lat = 1.363 +/- 6.8
lon = 97.721 +/- 11.7 MAGNITUDE 4.6 (GS)
dep = 27.4 +/- 6.1
125 km (78 miles) WSW of Sibolga, Sumatra, Indonesia (pop 90,000)
173 km (107 miles) W of Padangsidempuan, Sumatra, Indonesia
485 km (301 miles) WSW of KUALA LUMPUR, Malaysia
1310 km (813 miles) NW of JAKARTA, Java, Indonesia
nph = 37 of 41 se = 1.37 FE=706 A
error ellipse = (248.0, 3.0, 19.1;349.0, 70.0, 9.4;157.0, 19.0, 8.0)
mb = 4.6 ( 22) 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
PSI ePn 15:38:31.80 0.5 1.8 42 PSI
BKNI ePn 15:38:54.40 0.0 3.5 107 BKNI
LHMI ePn 15:39:00.00 -0.5 3.9 349 LHMI
IPM ePn 15:39:10.00 1.1 4.5 47 IPM
KULM ePn 15:39:13.47 -0.2 4.9 37 KULM
MYKOMePn 15:39:35.44 4.4X 6.1 86 MYKO
SBUM ePn 15:41:28.19 2.1 14.5 86 SBUM
CM01 ePn 15:41:54.55 -3.5 17.0 4 CM01
CM31 ePn 15:41:56.47 -2.0 17.0 4 CM31
CHTO ePn 15:42:00.50 -2.4 17.4 4 b:5.0+0 .85 3.7 CHTO
PALK ePn 15:42:04.82 -5.2 17.9 290 b:3.0+1 1.2 4.3 PALK
SOEI eP 15:43:58.22 1.3 28.6 113 b:9.2+1 .70 5.6 SOEI
LSA eP 15:43:59.15 0.0 28.9 348 b:5.7+0 1.1 4.2 LSA
ENH eP 15:44:13.18 -3.0 30.8 20 b:1.2+1 .25 5.3 ENH
AS31 eP 15:45:57.38 -2.8 43.1 128 b:4.7+0 .45 4.5 AS31
AS01 eP 15:45:58.08 -2.4 43.1 128 AS01
KS15 eP 15:46:16.79 -1.9 45.4 34 KS15
TKM2 eP 15:46:19.78 -2.6 45.9 337 b:4.6+0 .80 4.5 TKM2
AAK eP 15:46:20.82 -3.1X 46.1 336 b:2.7+0 .95 4.2 AAK
eP 15:46:21.18 -2.7X
EKS2 eP 15:46:27.71 1.4 46.4 336 b:4.8+0 .65 4.6 EKS2
SONA1eP 15:46:29.93 -0.5 46.9 8 SONA
ePcP 15:48:04.77 2.0X
ULN eP 15:46:30.53 -0.7 47.0 9 b:4.3+0 1.0 4.4 ULN
MK01 eP 15:46:33.18 0.7 47.2 346 MK01
MK31 eP 15:46:33.37 0.7 47.2 346 MK31
MKAR eP 15:46:33.51 0.9 47.2 346 MKAR
MAKZ eP 15:46:33.69 0.3 47.3 345 b:1.1+1 .70 5.0 MAKZ
KKAR eP 15:46:40.58 0.7 48.1 333 KKAR
TLY eP 15:46:55.23 -1.7 50.4 5 b:4.7+0 .80 4.5 TLY
KURK eP 15:47:07.42 0.1 51.8 345 b:1.1+1 .70 4.9 KURK
ZAA0 eP 15:47:19.94 0.1 53.5 351 ZAA0
eP 15:47:20.34 0.5
ZRNK eP 15:47:43.55 0.5 56.7 340 b:4.7+0 .75 4.6 ZRNK
ABKAReP 15:47:50.66 0.9 57.6 332 ABKA
YSS eP 15:48:06.26 0.4 59.9 34 b:1.1+1 .80 5.0 YSS
KIV eP 15:48:39.01 2.1 64.5 319 b:6.5+0 .90 4.8 KIV
BR231eP 15:49:10.49 -1.6 70.1 312 BR23
TIXI eP 15:49:27.84 -0.7 72.9 10 b:4.7+0 .70 4.6 TIXI
LBTB eP 15:49:37.79 -0.7 74.4 244 b:8.3+1 1.6 5.5 LBTB
KIEV eP 15:49:44.95 1.3 75.5 322 b:3.2+0 .80 4.4 KIEV
Generated 2011 MAY 26 at 18:32 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
