Phase Data
20 FEB 2013 ( 51)
ot = 17:44:36.70 +/- 1.63 RYUKYU ISLANDS, JAPAN
lat = 25.128 +/- 12.0
lon = 127.863 +/- 13.1 MAGNITUDE 4.6 (GS)
dep = 33.8 +/- 4.8
121 km (75 miles) S of Naha, Okinawa, Japan (pop 312,000)
379 km (235 miles) ENE of Ishigaki-jima, Ryukyu Islands, Japan
1632 km (1014 miles) SW of TOKYO, Japan
nph = 50 of 68 se = 0.81 FE=238 A
error ellipse = (126.0, 6.0, 21.9;216.0, 2.0, 16.4;329.0, 82.0, 6.8)
mb = 4.6 ( 24) 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
JOW ePn 17:45:02.79 -1.8 1.7 12 JOW
NACB ePn 17:45:59.06 -1.0 5.8 262 NACB
YULB ePn 17:46:03.59 -2.8X 6.2 255 YULB
SSLB ePn 17:46:07.65 -1.5 6.4 260 SSLB
TWG ePn 17:46:09.26 -2.3X 6.6 251 TWG
TPUB ePn 17:46:14.73 -0.1 6.9 256 TPUB
JNU ePn 17:46:35.41 -0.6 8.4 18 JNU
MAJO ePn 17:47:57.76 -0.7 14.4 36 MAJO
BJT ePn 17:48:42.53 0.9X 17.8 329 b:1.3+1 .90 4.1 BJT
XAN eP 17:48:50.75 -1.4 18.7 303 b:5.7+0 .75 3.8 XAN
ASAJ eP 17:49:31.82 -0.6 22.4 29 ASAJ
eLR 17:58:33.89
KLR eP 17:49:50.58 0.2 24.3 6 KLR
YSS eP 17:49:54.26 -1.3 24.8 25 b:9.8+1 1.4 5.2 YSS
ULN eP 17:50:24.30 -0.4 28.0 329 b:1.2+1 1.5 4.4 ULN
SONA0eP 17:50:26.56 -0.7 28.3 329 SONA
eLR 18:03:10.84
SONA1eP 17:50:26.63 -0.7 28.3 329 SONA
LSA eP 17:51:07.38 -0.4 32.8 286 b:2.9+0 .70 4.3 LSA
CBIJ eLR 17:51:48.69 13.0 78 CBIJ
MK01 eP 17:52:24.65 -0.2 42.0 313 MK01
MKAR eP 17:52:24.75 -0.2 42.0 313 b:1.9+1 .50 5.1 MKAR
MK31 eP 17:52:24.88 -0.1 42.0 313 MK31
MK32 eP 17:52:25.37 0.4 42.0 313 MK32
ePcP 17:54:20.70 1.2
eLR 18:11:32.65
MAKZ eP 17:52:27.00 0.3 42.2 313 b:5.8+0 1.1 4.2 MAKZ
ZALV eP 17:52:32.04 0.0 42.9 324 ZALV
ZAA0 eP 17:52:32.15 0.1 42.9 324 b:1.8+1 1.8 4.5 ZAA0
ZAA1 eP 17:52:32.45 0.4 42.9 324 ZAA1
eLR 18:12:08.33
WB2 eP 17:52:50.57 -0.4 45.2 171 WB2
WR1 eP 17:52:50.60 -0.3 45.2 171 b:2.0+1 1.7 4.7 WR1
NRN eP 17:52:55.20 0.9 45.6 304 b:4.9+0 1.1 4.3 NRN
AS31 eP 17:53:19.17 0.0 48.9 173 b:8.0-1 .90 3.8 AS31
AS01 eP 17:53:19.45 0.3 48.9 173 AS01
KK31 eP 17:53:27.30 1.2 49.8 306 KK31
KKAR eP 17:53:27.57 1.5 49.8 306 b:5.5+0 1.4 4.4 KKAR
BRVK eP 17:53:35.79 1.1 51.0 319 b:9.4+0 1.2 4.6 BRVK
ABKAReP 17:54:19.65 -0.5 57.2 314 b:4.5+0 .90 4.5 ABKA
MDM eP 17:55:14.07 1.2 65.0 28 b:1.8+1 1.3 5.0 MDM
KIV eP 17:55:42.78 -0.4 69.7 310 b:1.1+1 .90 4.9 KIV
INK eP 17:55:43.87 -0.8 70.0 23 b:1.0+1 1.4 4.7 INK
KBZ eP 17:55:44.25 1.8 69.6 310 KBZ
eLR 18:30:41.69
FIA0 eP 17:56:07.72 1.1 73.7 331 FIA0
eLR 18:32:20.17
RAYN eP 17:56:07.86 -0.6 73.9 289 b:7.1+0 1.1 4.6 RAYN
KIEV eP 17:56:20.65 -0.6 76.2 320 b:6.0+0 .90 4.6 KIEV
AKBB eP 17:56:21.75 0.5 76.2 320 AKBB
eLR 18:32:07.11
AK11 eP 17:56:21.75 0.3 76.2 320 AK11
GUMO eLR 17:56:29.08 19.7 123 GUMO
BR131eP 17:56:29.37 0.4 77.5 308 BR13
BR101eP 17:56:29.53 0.6 77.5 308 BR10
eLR 18:33:43.15
YKB5 eP 17:56:40.81 0.3 79.7 25 YKB5
BUR04eP 17:56:42.83 1.0 79.8 318 BUR0
NB200eP 17:56:43.28 0.0 80.2 334 NB20
eLR 18:35:45.54
SUMG eP 17:56:54.66 0.8 82.1 356 b:4.1+1 1.7 5.2 SUMG
VTS eP 17:57:02.12 1.5 83.3 314 b:8.3+0 .90 4.8 VTS
GEA0 eP 17:57:13.13 -0.1 85.9 323 GEA0
GEC2 eP 17:57:13.38 0.2 85.9 323 b:4.7+0 1.0 4.6 GEC2
JAY eLR 17:59:33.22 30.2 154 JAY
BATI eLR 18:05:13.94 35.4 187 BATI
PEA1 eLR 18:08:15.52 35.8 31 PEA1
PPT eLR 18:33:23.40 90.8 109 PPT
Generated 2013 MAR 19 at 23:19 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
