Phase Data
29 JAN 2013 ( 29)
ot = 12:31:33.43 +/- 1.69 EASTERN TEXAS
lat = 31.869 +/- 11.4
lon = -94.395 +/- 3.9 MAGNITUDE 2.8 (GS)
dep = 5.1 +/- 1.9
38 km (24 miles) NE of Nacogdoches, Texas (pop 30,000)
67 km (42 miles) NNE of Lufkin, Texas (pop 30,000)
248 km (154 miles) ESE of Dallas, Texas
366 km (227 miles) ENE of AUSTIN, Texas
nph = 33 of 38 se = 0.83 FE=503 A
error ellipse = ( 2.0, 1.0, 17.6;271.0, 19.0, 6.3; 95.0, 70.0, 2.1)
mb = 0.0 ( 0) ML = 0.0 ( 0) mblg = 2.8 ( 20) md = 3.9 ( 2) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
NATX ePg 12:31:38.70 0.4 0.3 244 d:1.8+2 3.7 NATX
Z41A ePn 12:32:06.87 0.0 1.9 44 d:1.3+2 4.1 g:1.2-1 1.1 3.2 Z41A
WHTX ePn 12:32:15.91 -0.3 2.6 274 g:3.0-2 .88 2.7 WHTX
eSn 12:32:45.37 S res = -2.9
MIAR ePn 12:32:17.50 -0.8 2.8 14 g:3.0-2 .73 2.8 MIAR
eSn 12:32:50.88 S res = -1.1
X40A ePn 12:32:20.12 -0.4 2.9 26 g:2.0-2 .70 2.6 X40A
eSn 12:32:55.23 S res = -0.8
CCAR ePn 12:32:22.45 0.7 3.0 47 g:5.0-2 1.0 3.1 CCAR
UALR ePn 12:32:26.62 -0.1 3.4 30 UALR
eSn 12:33:06.06 S res = -1.0
W39A ePn 12:32:26.95 0.4 3.4 9 W39A
eSn 12:33:06.82 S res = 0.1
W41B ePn 12:32:32.09 0.1 3.8 28 g:1.0-2 .88 2.5 W41B
TUL1 ePn 12:32:37.41 -0.6 4.2 344 g:3.0-2 1.0 3.0 TUL1
eSn 12:33:25.03 S res = -2.4
346A ePn 12:32:38.31 -0.3 4.2 95 346A
eSn 12:33:27.60 S res = -0.8
Z45A ePn 12:32:38.88 0.2 4.2 68 g:4.0-2 1.0 3.1 Z45A
eSn 12:33:27.83 S res = -0.8
HHAR ePn 12:32:41.00 -0.1 4.4 5 g:1.0-2 .89 2.6 HHAR
ABTX ePn 12:32:41.39 -1.0 4.5 281 g:3.0-2 1.0 3.0 ABTX
WMOK ePn 12:32:45.45 1.0 4.7 309 WMOK
JCT ePn 12:32:47.54 0.6 4.8 255 g:3.0-2 .82 3.0 JCT
eSn 12:33:40.77 S res = -2.6
OXF ePn 12:32:48.20 -0.1 4.9 56 OXF
eSn 12:33:43.60 S res = -2.2
435B eSn 12:32:55.28 -1.1 2.9 249 g:5.0-2 1.0 3.0 435B
T42A ePn 12:33:00.41 0.0 5.8 27 g:1.0-2 .95 2.5 T42A
146A eSn 12:33:36.28 -0.8 4.6 79 146A
147A eSn 12:33:52.60 -0.8 5.3 80 147A
LRAL eSn 12:34:18.87 -1.9 6.4 78 LRAL
X48A eSn 12:34:24.90 -3.8 6.7 65 X48A
Z50A eSn 12:34:40.65 -3.0X 7.3 77 Z50A
V48A eSn 12:34:42.37 -3.8X 7.4 57 V48A
SWET eSn 12:34:54.69 -2.0X 7.8 62 SWET
X51A eSn 12:35:09.07 -2.7X 8.4 69 X51A
HPIG eSn 12:36:18.71 3.8X 11.0 246 HPIG
Generated 2013 JAN 29 at 12:59 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
