Phase Data
29 SEP 2012 (273)
ot = 20:19:08.69 +/- 1.98 NORTHERN SUMATRA, INDONESIA
lat = 2.452 +/- 6.4
lon = 98.427 +/- 8.5 MAGNITUDE 4.8 (GS)
dep = 99.1 +/- 4.3
88 km (54 miles) NNW of Sibolga, Sumatra, Indonesia (pop 90,000)
91 km (56 miles) SW of Pematangsiantar, Sumatra, Indonesia (pop 229,000)
372 km (231 miles) WSW of KUALA LUMPUR, Malaysia
1333 km (828 miles) NW of JAKARTA, Java, Indonesia
nph = 63 of 66 se = 0.98 FE=706 A
error ellipse = (102.0, 1.0, 13.1; 11.0, 32.0, 11.0;194.0, 57.0, 3.3)
mb = 4.8 ( 39) 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 20:19:25.40 0.5 0.6 64 PSI
eSn 20:19:37.53 S res = 0.5
GSI ePn 20:19:34.51 0.5 1.4 217 GSI
eSn 20:19:53.98 S res = 0.9
LHMI ePn 20:19:57.17 1.0 3.1 332 LHMI
BKNI ePn 20:19:59.80 0.5 3.4 129 BKNI
IPM ePn 20:19:59.81 1.5 3.3 52 IPM
KULM ePn 20:20:03.36 1.0 3.6 38 KULM
MYKOMePn 20:20:29.04 1.4 5.5 97 MYKO
MNAI ePn 20:21:04.18 0.0 8.1 146 MNAI
eSn 20:22:27.85 S res = -6.7
PBKT eP 20:22:30.34 0.1 14.3 10 PBKT
SMRI eP 20:22:41.86 0.3 15.3 128 b:2.2+2 1.7 5.1 SMRI
CM01 ePn 20:22:44.93 -1.7 15.9 2 CM01
UGM ePn 20:22:47.23 0.8 15.9 131 b:5.6+2 1.8 5.5 UGM
CHTO ePn 20:22:51.51 0.0 16.3 2 b:3.0+0 .75 3.6 CHTO
KKM eP 20:23:13.60 0.7 18.1 78 b:3.9+1 1.3 4.5 KKM
FITZ eP 20:25:39.14 -1.5 33.7 128 b:2.5+1 2.0 4.7 FITZ
NIL eP 20:26:24.51 -0.7 38.9 326 b:1.0+1 1.1 4.6 NIL
NWAO eP 20:26:29.49 0.3 39.4 155 b:9.9+1 1.8 5.3 NWAO
WB2 eP 20:26:46.81 -1.2 41.7 124 WB2
eP 20:26:47.35 -0.7
WRAB eP 20:26:47.38 -0.7 41.7 124 b:1.3+1 .80 4.8 WRAB
eS 20:32:57.76 S res = -0.1
AS31 ee 20:26:52.05 0.0X 43.2 129 b:1.6+0 .45 4.2 AS31
AS01 ee 20:26:52.61 0.0X 43.2 129 AS01
FORT eP 20:27:01.74 -0.4 43.5 142 b:4.2+1 1.3 5.1 FORT
NRN eP 20:27:03.46 -1.1 43.7 336 b:6.0+0 1.3 4.3 NRN
KS01 eP 20:27:07.16 -0.2 44.1 34 KS01
KS15 eP 20:27:08.13 0.7 44.1 34 KS15
SONA1eP 20:27:19.60 -0.6 45.7 8 SONA
ePcP 20:28:56.44 0.0
MK01 eP 20:27:24.54 -0.1 46.3 345 MK01
MK31 eP 20:27:24.76 -0.1 46.3 345 MK31
MKAR eP 20:27:24.79 0.0 46.3 345 b:3.4+1 .40 5.5 MKAR
MAKZ eP 20:27:25.36 -0.2 46.4 344 b:3.4+0 .95 4.2 MAKZ
MJB9 eP 20:27:53.61 0.9 49.9 42 b:3.2+1 1.9 5.0 MJB9
MAJO eP 20:27:53.74 1.0 49.9 42 b:3.3+1 2.0 5.0 MAJO
KURK eP 20:27:59.40 -0.3 50.9 344 b:3.8+0 .80 4.5 KURK
ZAA0 eP 20:28:11.13 -0.6 52.5 350 b:7.2+0 .60 4.9 ZAA0
ZALV eP 20:28:11.26 -0.4 52.5 350 ZALV
RAYN eP 20:28:32.58 0.3 55.3 297 b:1.9+0 .75 4.2 RAYN
BRVK eP 20:28:33.21 -0.5 55.5 340 b:2.7+0 .65 4.4 BRVK
ATD eP 20:28:35.14 -1.1 55.8 282 b:1.8+1 1.1 5.0 ATD
ASAJ eP 20:28:44.00 0.4 56.9 37 b:1.5+2 2.0 5.7 ASAJ
EIDS eP 20:28:50.91 -0.4 58.0 122 b:2.1+1 1.5 4.9 EIDS
PETK eP 20:30:09.25 -0.5 70.0 34 PETK
TIXI eP 20:30:18.80 -0.9 71.7 10 b:1.6+1 1.9 4.5 TIXI
LSZ eP 20:30:21.11 0.7 71.7 253 b:4.3+1 2.0 4.9 LSZ
KARP eP 20:30:30.51 0.3 73.4 306 b:2.7+1 1.1 5.0 KARP
MAW eP 20:30:36.18 1.9 74.2 193 b:2.5+0 1.7 3.8 MAW
IDI eP 20:30:40.95 0.3 75.2 306 b:4.5+1 1.5 5.1 IDI
LBTB eP 20:30:44.73 1.7 75.5 244 b:5.5+1 1.8 5.1 LBTB
MLR eP 20:30:46.31 0.9 76.0 316 b:1.9+1 2.0 4.6 MLR
BOSA eP 20:30:49.58 1.3 76.5 240 b:5.1+1 1.8 5.1 BOSA
PYZ eP 20:30:50.88 0.7 76.9 139 b:1.3+2 1.1 5.7 PYZ
BUR04eP 20:30:51.39 1.0 76.9 318 BUR0
BUR08eP 20:30:51.44 1.0 76.9 318 BUR0
AGG eP 20:30:52.94 -1.7 77.7 309 b:2.6+1 1.8 4.8 AGG
WHZ eP 20:30:53.53 -0.9 77.7 138 b:3.0+2 1.9 5.8 WHZ
ITM eP 20:30:53.81 -1.5 77.8 307 b:7.4+0 .90 4.5 ITM
LIT eP 20:30:53.98 -0.7 77.7 310 b:2.2+0 .64 4.1 LIT
TTG eP 20:31:08.74 -0.5 80.4 313 b:4.1+0 .70 4.4 TTG
BKZ eP 20:31:19.50 -0.2 82.3 130 b:5.9+1 1.9 5.1 BKZ
BFZ eP 20:31:19.71 -0.2 82.4 131 b:2.9+2 1.7 5.8 BFZ
RCCR ePKPpre 20:37:55.11 1.2X 127.4 37 RCCR
Generated 2012 OCT 2 at 19:23 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
