Major Earthquake Magnitude 7.3 - RYUKYU ISLANDS, JAPAN

Magnitude	7.3 (Preliminary magnitude — update expected within 15 minutes)
Date-Time	Friday, February 26, 2010 at 20:31:26 UTC Saturday, February 27, 2010 at 05:31:26 AM at epicenter
Location	26.050°N, 128.510°E
Depth	10 km (6.2 miles) set by location program
Region	RYUKYU ISLANDS, JAPAN
Distances	85 km (53 miles) E (99°) from Naha, Okinawa, Japan 471 km (292 miles) ENE (66°) from Ishigaki-jima, Ryukyu Islands, Japan 1281 km (796 miles) S (173°) from SEOUL, South Korea
Location Uncertainty	Error estimate not available
Parameters	NST=006, Nph=006, Dmin=0 km, Rmss=0.72 sec, Gp= 90°, M-type=”moment” magnitude from initial P wave (tsuboi method) (Mi/Mwp), Version=A
Source	NOAA Pacific Tsunami Warning Center
Event ID	pt10057003

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