Magnitude
5.6
Date-Time
Wednesday, February 16, 2011 at 23:45:09 UTC
Thursday, February 17, 2011 at 08:45:09 AM at epicenter
Time of Earthquake in other Time Zones
Location
25.918°N, 128.294°E
Depth
1 km (~0.6 mile) (poorly constrained)
Region
RYUKYU ISLANDS, JAPAN
Distances
70 km (45 miles) ESE of Naha, Okinawa, Japan
445 km (275 miles) ENE of Ishigaki-jima, Ryukyu Islands, Japan
665 km (415 miles) ENE of Su-ao, Taiwan
1545 km (960 miles) SW of TOKYO, Japan
Location Uncertainty
horizontal +/- 15.3 km (9.5 miles); depth +/- 1.1 km (0.7 miles)
Parameters
NST=242, Nph=249, Dmin=101.3 km, Rmss=0.87 sec, Gp= 68°,
M-type=body wave magnitude (Mb), Version=9
Source
USGS NEIC (WDCS-D)
Event ID
usb0001fk2


David Cottle

UBB Owner & Administrator