Phase Data
17 FEB 2013 ( 48)
ot = 10:48:37.82 +/- 2.45 RYUKYU ISLANDS, JAPAN
lat = 25.750 +/- 15.1
lon = 127.513 +/- 13.6 MAGNITUDE 4.3 (GS)
dep = 41.4 +/- 12.6
53 km (33 miles) SSW of Naha, Okinawa, Japan (pop 312,000)
366 km (227 miles) ENE of Ishigaki-jima, Ryukyu Islands, Japan
1606 km (997 miles) SW of TOKYO, Japan
nph = 19 of 22 se = 1.21 FE=238 A
error ellipse = (143.0, 30.0, 29.7;238.0, 7.0, 16.6;341.0, 58.0, 13.7)
mb = 4.2 ( 8) 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 10:48:59.76 0.5 1.3 32 JOW
YOJ ePn 10:49:42.30 1.9 4.3 254 YOJ
TATO ePn 10:49:57.84 0.6 5.5 263 TATO
NACB ePn 10:49:59.16 0.6 5.6 255 NACB
YHNB ePn 10:50:00.18 0.6 5.7 260 YHNB
YULB ePn 10:50:04.17 -1.7 6.1 249 YULB
JNU ePn 10:50:32.91 2.5X 7.9 21 JNU
MAJO ePn 10:51:52.08 -3.1X 14.1 38 MAJO
MJB9 ePn 10:51:52.08 -3.1 14.1 38 MJB9
DAV eP 10:52:51.71 -0.8 18.7 186 b:1.4+2 .45 5.5 DAV
SARN eP 10:52:58.12 -0.7 19.2 114 b:9.8+1 1.0 5.0 SARN
SONA1eP 10:54:21.79 0.3 27.6 329 SONA
MK01 eP 10:56:18.29 -1.5 41.4 313 MK01
MKAR eP 10:56:18.39 -1.5 41.4 313 b:8.2+0 .60 4.6 MKAR
MK31 eP 10:56:18.44 -1.5 41.4 313 MK31
MAKZ eP 10:56:20.53 -1.1 41.6 312 b:9.0-1 .50 3.7 MAKZ
COEN eP 10:56:31.30 3.5X 42.3 157 b:3.7+0 1.0 4.1 COEN
BRVK eP 10:57:29.33 -0.6 50.3 319 b:4.1+0 1.1 4.4 BRVK
ABKAReP 10:58:15.64 -0.1 56.5 314 ABKA
RES eP 11:00:21.90 1.0 76.1 11 b:1.6+0 1.0 3.9 RES
NC405eP 11:00:38.50 0.1 79.2 334 NC40
BUR04eP 11:00:39.27 0.9 79.2 318 BUR0
Generated 2013 FEB 17 at 11:13 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver
