Phase Data
17 MAR 2013 ( 76)
ot = 21:53:40.06 +/- 1.95 NEAR EAST COAST OF HONSHU, JAPAN
lat = 36.477 +/- 6.3
lon = 140.469 +/- 10.5 MAGNITUDE 4.6 (GS)
dep = 63.5 +/- 9.4
12 km (8 miles) N of Mito, Honshu, Japan (pop 262,000)
53 km (33 miles) E of Utsunomiya, Honshu, Japan (pop 457,000)
74 km (46 miles) SSW of Iwaki, Honshu, Japan (pop 354,000)
109 km (68 miles) NE of TOKYO, Japan (pop 8,489,000)
nph = 40 of 59 se = 0.96 FE=228 A
error ellipse = (291.0, 5.0, 17.0;179.0, 76.0, 14.5; 22.0, 12.0, 7.3)
mb = 4.6 ( 39) ML = 0.0 ( 0) mblg = 0.0 ( 0) md = 4.3 ( 2) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
MAJO ePn 21:54:10.01 0.8 1.8 273 d:1.8+2 4.3 MAJO
eSn 21:54:25.35 S res = -6.0
MJB9 ePn 21:54:10.30 1.0 1.8 273 d:1.8+2 4.3 MJB9
eSn 21:54:25.29 S res = -6.1
INU ePn 21:54:26.56 1.2 3.0 249 INU
eSn 21:54:58.55 S res = -1.7
JHJ2 ePn 21:54:30.59 0.0 3.4 189 JHJ2
eSn 21:55:09.01 S res = -0.6
ERM ePn 21:55:03.45 -1.5 5.9 20 ERM
eSn 21:56:06.23 S res = -5.0
KS15 ePn 21:56:03.34 0.6 10.1 280 KS15
USA0BePn 21:56:03.75 2.0 10.1 323 USA0
eSn 21:57:48.64 S res = -4.4
MA2 eP 21:58:49.30 0.2 24.1 13 b:1.3+1 .70 4.5 MA2
ULN eP 21:59:16.32 -0.2 27.0 305 b:3.8+0 .60 4.2 ULN
TLY eP 21:59:43.20 -0.5 30.1 312 b:2.0+0 .80 3.9 TLY
TIXI eP 22:00:31.59 -0.7 35.7 354 b:9.6+0 .50 5.0 TIXI
PBKT eP 22:01:10.87 0.8 40.2 251 PBKT
CM01 eP 22:01:15.24 1.2 40.6 255 CM01
ZALV eP 22:01:22.50 -0.1X 41.7 313 ZALV
ZAA0 eP 22:01:22.80 0.2X 41.7 313 b:1.6+1 .65 4.9 ZAA0
MK01 eP 22:01:39.12 -0.2 43.8 303 MK01
MK31 eP 22:01:39.32 0.0 43.8 303 b:4.8+0 .70 4.4 MK31
MAKZ eP 22:01:41.52 0.5 44.0 303 b:6.2+0 .95 4.4 MAKZ
KURK eP 22:01:54.01 -0.3 45.7 309 b:8.9+0 .75 4.7 KURK
PRZ eP 22:02:09.00 1.2X 47.3 297 b:7.6+0 .80 4.7 PRZ
SOEI eP 22:02:15.96 -0.4 48.5 202 b:2.5+1 1.0 5.2 SOEI
KDJ eP 22:02:17.10 1.8X 48.3 297 b:3.4+0 .60 4.5 KDJ
NRN eP 22:02:24.12 0.7X 49.4 297 b:2.8+0 .50 4.6 NRN
MDM eP 22:02:27.12 1.1X 49.8 32 b:4.9+0 .80 4.6 MDM
AAK eP 22:02:29.31 0.6 50.1 299 b:2.5+0 .75 4.3 AAK
IL1 eP 22:02:29.94 -0.4X 50.4 32 IL1
COEN eP 22:02:30.17 0.4 50.2 177 b:5.2+0 .90 4.6 COEN
HDA eP 22:02:30.26 0.0X 50.4 33 b:5.0+0 1.0 4.5 HDA
ILB eP 22:02:30.65 0.3X 50.4 32 b:6.8+0 1.3 4.5 ILB
PRP eP 22:02:35.48 0.9X 50.9 31 b:4.9+0 1.0 4.5 PRP
SCRK eP 22:02:39.14 -1.2 51.7 33 b:5.3+0 1.0 4.5 SCRK
KKAR eP 22:02:49.27 0.8X 52.8 300 b:8.0+0 1.3 4.6 KKAR
KK31 eP 22:02:49.27 0.8X 52.8 300 b:8.0+0 1.3 4.6 KK31
GSI eP 22:02:49.96 0.4 52.9 239 b:3.0+1 .50 5.6 GSI
BTK eP 22:02:54.32 0.1X 53.5 297 b:2.6+0 .80 4.3 BTK
NIL eP 22:02:59.12 0.9 54.1 288 b:4.6+0 .70 4.6 NIL
EPYK eP 22:03:01.40 1.3 54.4 29 b:1.2+1 .90 4.9 EPYK
INK eP 22:03:06.70 0.7 55.2 27 b:4.1+0 .85 4.5 INK
ARU eP 22:03:13.25 -0.5 56.3 319 b:1.1+1 .90 4.9 ARU
WB2 eP 22:03:13.40 -1.7 56.4 187 WB2
KBL eP 22:03:18.74 -0.1 56.9 291 b:5.0+0 1.1 4.5 KBL
ABKAReP 22:03:23.80 -0.3X 57.7 310 b:4.7+0 .65 4.7 ABKA
OBN eP 22:04:31.71 -1.1 68.1 323 b:8.9+0 .60 4.9 OBN
FIA1 eP 22:04:37.65 -0.4X 69.0 332 FIA1
SUMG eP 22:04:52.54 0.1 71.2 360 b:9.9+0 1.1 4.7 SUMG
SCO eP 22:05:00.24 0.3X 72.6 354 b:2.9+0 .70 4.3 SCO
WVOR eP 22:05:05.85 0.2 73.4 49 b:1.0+1 .80 4.8 WVOR
KIEV eP 22:05:09.68 -0.5 74.3 322 b:1.1+1 1.0 4.7 KIEV
LKWY eP 22:05:28.40 2.1 77.0 44 b:1.8+1 .95 5.0 LKWY
KWP eP 22:05:32.74 0.5X 78.1 324 b:1.5+2 .80 6.0 KWP
BUR08eP 22:05:33.55 0.5X 78.3 321 b:5.2+0 .80 4.5 BUR0
RAYN eP 22:05:44.11 0.3 80.2 292 b:6.1+0 .95 4.5 RAYN
MORC eP 22:05:44.84 0.2X 80.4 327 b:4.9+0 1.0 4.4 MORC
Generated 2013 MAR 17 at 22:07 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
