Phase Data
20 FEB 2013 ( 51)
ot = 10:22:36.02 +/- 3.65 KEPULAUAN BARAT DAYA, INDONESIA
lat = -7.457 +/- 10.1
lon = 128.923 +/- 12.7 MAGNITUDE 4.2 (GS)
dep = 107.4 +/- 14.4
269 km (167 miles) WNW of Saumlaki, Kepulauan Tanimbar, Indonesia
388 km (241 miles) ENE of DILI, Timor-Leste
592 km (367 miles) NNW of DARWIN, Northern Territory, Australia
2444 km (1517 miles) E of JAKARTA, Java, Indonesia
nph = 19 of 25 se = 1.80 FE=280 A
error ellipse = (123.0, 41.0, 26.1;313.0, 47.0, 18.1;217.0, 4.0, 9.5)
mb = 4.2 ( 8) 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
SAUI ePn 10:23:12.65 -1.6 2.4 103 SAUI
eSn 10:23:42.84 S res = -0.7
SOEI ePn 10:23:52.71 1.8 5.1 243 SOEI
eSn 10:24:40.02 S res = -9.1X
FAKI ePn 10:23:58.90 2.0 5.6 37 FAKI
eSn 10:25:01.82 S res = 1.9
MTN ePn 10:24:00.91 1.5 5.8 158 MTN
FITZ ePn 10:25:09.69 -1.3 11.1 197 FITZ
eSn 10:27:05.87 S res = -6.8X
WB2 ePn 10:25:39.06 -4.0 13.5 158 WB2
ePn 10:25:41.38 -1.7
WRAB ePn 10:25:40.88 -2.1 13.5 158 WRAB
eSn 10:28:02.68 S res = -8.8X
COEN ePn 10:26:08.67 0.9 15.4 116 b:1.3+1 .90 4.2 COEN
eSn 10:28:49.54 S res = -8.9X
AS31 ePn 10:26:23.88 -1.1 16.8 164 b:2.8+0 .70 3.6 AS31
AS01 ePn 10:26:24.72 -0.5 16.8 164 AS01
CTAO eP 10:27:13.51 2.8 21.0 129 b:6.0+0 1.0 3.9 CTAO
MORW eP 10:27:47.66 0.5 24.7 208 b:1.3+1 .70 4.5 MORW
STKA eP 10:28:08.44 0.3 27.0 156 b:4.0-1 .85 3.0 STKA
NWAO eP 10:28:13.75 0.7 27.6 202 b:1.4+1 1.0 4.5 NWAO
MK01 eP 10:33:23.40 -0.4X 68.0 327 MK01
MK31 eP 10:33:23.75 -0.1 68.0 327 MK31
MKAR eP 10:33:23.75 -0.1 68.0 327 b:1.3+1 .45 5.1 MKAR
MAKZ eP 10:33:24.54 -0.5X 68.2 327 b:1.4+0 .50 4.1 MAKZ
Generated 2013 FEB 20 at 10:38 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
