19 JUL 2007 (200)
ot = 14:11:12.86 +/- 3.46 SOUTHWESTERN RYUKYU ISL., JAPAN
lat = 24.504 +/- 15.7
lon = 125.078 +/- 12.0 MAGNITUDE 4.4 (GS)
dep = 27.9 +/- 24.9
90 km (55 miles) E of Ishigaki-jima, Ryukyu Islands, Japan (pop 45,000)
320 km (200 miles) SW of Naha, Okinawa, Japan
325 km (205 miles) E of Su-ao, Taiwan
1875 km (1160 miles) SW of TOKYO, Japan
nph = 12 of 14 se = 0.94 FE=246 B
error ellipse = (285.2, 77.9, 39.4;152.2, 8.3, 26.8; 61.0, 8.8, 13.4)
mb = 4.4 ( 8) ML = 3.6 ( 3) mblg = 3.4 ( 3) md = 0.0 ( 0) MS = 0.0 ( 0)
sta phase arrival res dist azm amp per mag amp per mag sta
NACB ePn 14:11:59.61 -1.7 3.2 265 d:9.6+1 4.3X L:2.6-1 .35 3.7 NACB
eSn 14:12:28.62 S res = -9.9X g:1.2-1 .70 3.4
TATO ePn 14:12:04.00 1.3 3.3 279 d:8.0+1 4.2X L:1.5-1 .65 3.5 TATO
g:8.4-2 .65 3.3
YHNB ePn 14:12:04.13 0.3 3.4 274 d:1.2+2 4.6X L:2.3-1 .40 3.7 YHNB
g:1.9-1 .85 3.6
MAJO qPn 14:15:01.99 0.0 16.5 40 b:4.1+0 .61 3.7 MAJO
KSM qP 14:16:52.76 0.3 27.0 214 KSM
KURK eP 14:19:18.02 -1.0 44.2 319 b:3.7+0 .95 4.2 KURK
TKM2 eP 14:19:21.68 0.4 44.4 307 b:3.1+0 .78 4.2 TKM2
AML qP 14:19:32.36 0.5 45.7 306 b:1.8+0 .76 4.1 AML
KBL qP 14:19:58.80 -0.5 49.2 295 b:6.4+0 .78 4.7 KBL
ARU qP 14:20:55.46 -0.4 57.0 323 b:3.5+0 .60 4.6 ARU
KIV eP 14:22:11.19 0.6 68.1 310 b:1.6+1 .89 5.1 KIV
OBN qP 14:22:18.37 0.0 69.4 322 b:1.1+1 .65 5.1 OBN
INK qP 14:22:33.82 2.7X 71.6 23 b:5.0+1 .70 5.7X INK
Generated 2007 JUL 20 at 14:11 UTC
Preliminary Earthquake Report
U.S. Geological Survey, National Earthquake Information Center
World Data Center for Seismology, Denver