Phase Data
1 FEB 2013 ( 32)
ot = 10:55:26.11 +/- 1.65 NEAR EAST COAST OF HONSHU, JAPAN
lat = 38.497 +/- 11.4
lon = 142.344 +/- 14.2 MAGNITUDE 4.5 (GS)
dep = 50.7 +/- 9.0
130 km (81 miles) ENE of Sendai, Honshu, Japan (pop 1,024,000)
169 km (105 miles) SE of Morioka, Honshu, Japan
177 km (110 miles) E of Yamagata, Honshu, Japan
388 km (241 miles) NE of TOKYO, Japan
nph = 28 of 28 se = 0.82 FE=228 A
error ellipse = (126.0, 7.0, 25.9;235.0, 67.0, 13.7; 33.0, 21.0, 10.6)
mb = 4.4 ( 12) ML = 3.5 ( 8) 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
ERM ePn 10:56:18.25 -0.7 3.6 10 L:2.6-1 .77 3.7 ERM
eSn 10:57:00.20 S res = 0.3
MAJO ePn 10:56:23.14 0.7 3.8 241 L:9.0-2 .78 3.3 MAJO
MJB9 ePn 10:56:23.33 0.9 3.8 241 MJB9
INU ePn 10:56:43.92 1.4 5.3 235 L:5.0-2 2.4 3.5 INU
JHJ2 ePn 10:56:49.07 0.2 5.8 202 L:8.0-1 2.5 4.8 JHJ2
eSn 10:57:53.47 S res = 0.0
USA0BePn 10:57:42.44 0.3 9.6 310 USA0
ENH eP 11:01:14.07 0.0 28.2 263 b:8.9+0 .80 4.4 ENH
MK01 eP 11:03:27.36 -0.9 44.0 301 MK01
MK31 eP 11:03:28.06 -0.2 44.0 301 MK31
MKAR eP 11:03:28.47 0.2 44.0 301 b:1.1+1 .55 4.8 MKAR
MAKZ eP 11:03:29.95 0.0 44.2 301 b:3.2+0 .95 4.1 MAKZ
IM3 eP 11:03:37.47 1.2 45.0 31 IM3
CAST eP 11:03:39.78 -1.2 45.6 35 b:5.0-1 .88 3.5 CAST
PPLA eP 11:03:39.79 -0.9 45.5 36 PPLA
KURK eP 11:03:40.66 -0.5 45.6 307 b:5.8+0 .55 4.7 KURK
SCRK eP 11:04:09.69 0.9 49.2 34 b:1.8+0 1.1 4.0 SCRK
ABKAReP 11:05:10.23 -0.2 57.6 310 ABKA
WB2 eP 11:05:16.49 -1.4 58.6 189 WB2
eP 11:05:16.85 -1.1
WRAB eP 11:05:17.42 -0.4 58.6 189 b:5.6+0 1.1 4.6 WRAB
AS01 eP 11:05:43.13 -0.1 62.3 189 AS01
AS31 eP 11:05:43.45 0.2 62.3 189 b:4.0-1 .75 3.6 AS31
KEV eP 11:05:43.46 0.7 62.3 339 b:1.1+1 1.0 4.9 KEV
FIA1 eP 11:06:18.55 -0.1 67.9 332 FIA1
eP 11:06:18.91 0.2
SUMG eP 11:06:28.76 1.2 69.2 0 SUMG
Generated 2013 FEB 1 at 11:17 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
