Phase Data
5 FEB 2013 ( 36)
ot = 12:43:20.71 +/- 1.14 IZU ISLANDS, JAPAN REGION
lat = 33.107 +/- 9.2
lon = 140.579 +/- 10.7 MAGNITUDE 4.4 (GS)
dep = 79.2 +/- 7.0
74 km (46 miles) E of Hachijo-jima, Izu Islands, Japan (pop 8,000)
272 km (169 miles) SE of Numazu, Honshu, Japan
274 km (170 miles) SSE of Yokohama, Honshu, Japan
296 km (184 miles) SSE of TOKYO, Japan
nph = 45 of 45 se = 0.56 FE=211 A
error ellipse = (233.0, 9.0, 19.6;334.0, 50.0, 11.5;135.0, 38.0, 8.0)
mb = 4.4 ( 21) 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
JHJ2 ePn 12:43:35.62 -0.1 0.6 271 JHJ2
eSn 12:43:46.26 S res = -0.6
INU ePn 12:44:16.68 1.2 3.7 308 INU
MAJO ePn 12:44:18.81 -0.1 4.0 331 MAJO
MJB9 ePn 12:44:19.71 0.8 4.0 331 MJB9
JNU ePn 12:45:17.40 1.3 8.1 273 JNU
ERM ePn 12:45:27.17 -2.3 9.1 12 ERM
eSn 12:47:05.39 S res = -5.0
YULB eP 12:47:40.29 -1.5 19.5 245 b:8.7+0 1.1 4.0 YULB
PBKT eP 12:50:41.54 -0.3 39.3 255 b:4.6+0 1.0 4.3 PBKT
ZALV eP 12:51:21.08 -0.1 44.1 316 ZALV
ePcP 12:53:04.95 0.2
ZAA0 eP 12:51:21.18 0.0 44.1 316 b:1.9+0 1.1 3.8 ZAA0
ePcP 12:53:05.66 0.9
MK01 eP 12:51:33.31 -0.5 45.7 305 MK01
ePcP 12:53:11.12 0.7
MKAR eP 12:51:33.92 0.0 45.7 305 b:1.4+1 .70 4.9 MKAR
MK31 eP 12:51:34.20 0.3 45.7 305 MK31
MAKZ eP 12:51:35.70 0.1 45.9 305 b:2.2+0 .90 4.1 MAKZ
KURK eP 12:51:50.57 -0.1 47.9 311 b:4.6+0 .95 4.4 KURK
KDJ eP 12:52:07.05 -0.1 50.0 300 b:4.1+0 .90 4.5 KDJ
GSI eP 12:52:15.66 -1.0 51.3 241 b:2.1+1 .70 5.3 GSI
TRF eP 12:52:18.41 -1.1 51.7 32 TRF
AAK eP 12:52:20.21 -0.7 51.8 301 b:1.7+0 .65 4.2 AAK
GHO eP 12:52:23.12 -0.9 52.3 35 b:6.1+0 1.0 4.6 GHO
KNK eP 12:52:25.05 -0.6 52.5 35 b:4.6+0 1.0 4.4 KNK
MDM eP 12:52:25.50 -0.7 52.6 30 b:1.4+0 .88 4.0 MDM
WRH eP 12:52:25.55 -1.0 52.7 31 WRH
WB2 eP 12:52:29.97 -0.1 53.1 187 WB2
eP 12:52:30.11 0.0
WRAB eP 12:52:30.31 0.3 53.1 187 b:4.9+0 .55 4.8 WRAB
WC3 eP 12:52:30.48 0.3 53.1 187 b:4.6+0 .60 4.7 WC3
ARSB eP 12:52:31.38 0.2 53.2 300 b:2.8+0 .80 4.3 ARSB
RIDG eP 12:52:36.83 -0.4 54.1 32 b:1.8+0 .96 4.1 RIDG
KKAR eP 12:52:40.34 -0.5 54.6 302 KKAR
SCRK eP 12:52:40.54 0.6 54.5 32 b:1.9+0 1.1 4.0 SCRK
KK31 eP 12:52:40.59 -0.2 54.6 302 KK31
NIL eP 12:52:46.00 0.1 55.3 291 b:8.8+0 .40 5.1 NIL
AS01 eP 12:52:57.38 0.5 56.8 187 AS01
AS31 eP 12:52:57.45 0.5 56.8 187 b:1.7+0 .55 4.4 AS31
ABKAReP 12:53:19.10 0.3 60.0 312 ABKA
AKBB eP 12:55:04.65 0.0 77.0 323 b:5.2+0 .90 4.4 AKBB
BUR08eP 12:55:26.64 0.1 81.0 322 BUR0
BUR04eP 12:55:26.68 0.1 81.0 322 BUR0
BR131eP 12:55:27.22 0.5 80.9 312 BR13
Generated 2013 FEB 5 at 13:34 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
