Phase Data
26 FEB 2013 ( 57)
ot = 08:57:04.42 +/- 1.23 SOUTHWESTERN RYUKYU ISL., JAPAN
lat = 24.279 +/- 9.1
lon = 123.477 +/- 9.2 MAGNITUDE 4.6 (GS)
dep = 40.6 +/- 6.7
75 km (46 miles) W of Ishigaki-jima, Ryukyu Islands, Japan (pop 45,000)
169 km (105 miles) ESE of Su'ao, Taiwan
193 km (120 miles) E of Hualien, Taiwan
2011 km (1249 miles) SW of TOKYO, Japan
nph = 46 of 46 se = 0.61 FE=246 A
error ellipse = ( 45.0, 2.0, 15.8;314.0, 25.0, 12.4;140.0, 64.0, 9.5)
mb = 4.6 ( 22) 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
YOJ ePn 08:57:14.88 0.2 0.5 294 YOJ
eSn 08:57:22.97 S res = 1.0
NACB ePn 08:57:32.28 0.4 1.7 267 NACB
YHNB ePn 08:57:35.60 0.4 2.0 282 YHNB
YULB ePn 08:57:38.15 -0.1 2.2 247 YULB
eSn 08:58:02.19 S res = -1.8
SSLB ePn 08:57:41.49 0.8 2.4 259 SSLB
eSn 08:58:07.14 S res = -1.3
TWG ePn 08:57:44.13 -0.3 2.6 237 TWG
TPUB ePn 08:57:47.25 0.7 2.8 250 TPUB
eSn 08:58:20.26 S res = 1.3
JOW ePn 08:58:17.49 0.2 5.0 59 JOW
CHTO eP 09:02:10.83 0.4 23.4 261 b:5.0+0 .90 4.0 CHTO
CM01 eP 09:02:10.98 -0.4 23.5 260 CM01
SBUM eP 09:02:17.11 -0.9 24.3 208 b:1.2+1 1.1 4.3 SBUM
ULN eP 09:02:41.29 -0.5 26.9 335 b:7.3+0 1.5 4.1 ULN
SONA1eP 09:02:43.54 -0.4 27.1 334 SONA
SHL eP 09:02:57.49 -0.1 28.7 279 b:8.9+0 .74 4.5 SHL
MK01 eP 09:04:32.59 -0.4 39.7 315 MK01
MKAR eP 09:04:33.01 -0.1 39.7 315 b:2.0+1 1.0 4.9 MKAR
MK31 eP 09:04:33.01 -0.1 39.7 315 MK31
MAKZ eP 09:04:34.60 -0.2 40.0 315 b:5.2+0 1.0 4.3 MAKZ
ZALV eP 09:04:44.14 -1.8 41.3 326 ZALV
ZAA0 eP 09:04:44.87 -1.1 41.3 326 b:6.9+0 .60 4.6 ZAA0
NRN eP 09:04:58.01 -0.9 42.8 305 b:4.4+0 1.0 4.2 NRN
KURK eP 09:05:02.17 -0.5 43.4 319 b:7.8+0 1.0 4.4 KURK
WB2 eP 09:05:17.28 -0.4 45.2 166 b:7.2+0 .95 4.5 WB2
eP 09:05:17.69 0.0
KBL eP 09:05:40.13 0.2 48.0 296 b:7.4+0 .95 4.7 KBL
AS31 eP 09:05:44.93 -0.2 48.7 167 b:1.2+0 .60 4.1 AS31
AS01 eP 09:05:45.27 0.1 48.7 167 AS01
BRVK eP 09:05:46.76 -0.2 49.0 320 b:6.0+0 .55 4.8 BRVK
ABKAReP 09:06:30.20 -0.5 54.9 314 ABKA
TARG ePcP 09:06:47.64 2.3 41.5 306 TARG
STKA eP 09:06:56.30 0.0 58.5 162 b:1.4+0 .90 4.1 STKA
PPLA eP 09:07:47.76 0.3 66.1 30 b:3.2+1 1.6 5.1 PPLA
RAYN eP 09:08:14.92 0.6 70.3 288 b:1.1+1 1.3 4.7 RAYN
BR131eP 09:08:41.80 1.0 74.8 307 BR13
BUR04eP 09:08:57.30 0.0 77.7 317 BUR0
OJC eP 09:09:09.92 0.7 79.9 321 b:1.1+1 .90 4.8 OJC
VTS eP 09:09:15.39 0.1 81.0 313 b:1.2+1 1.1 4.8 VTS
YKW3 eP 09:09:20.14 0.2 82.0 23 b:6.0+0 .70 4.7 YKW3
YKB5 eP 09:09:20.24 0.0 82.1 23 YKB5
GEA0 eP 09:09:31.30 0.2 84.1 321 GEA0
GEC2 eP 09:09:31.98 0.9 84.1 321 b:8.4+0 1.0 4.8 GEC2
FFC eP 09:10:10.59 0.8 92.2 24 b:5.3+0 .75 5.1 FFC
Generated 2013 FEB 26 at 09:16 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
