Updated at 4:35 a.m. Eastern
TOKYO A strong earthquake struck Friday off the coast of northeastern Japan in the same region that was hit by a massive earthquake and tsunami last year. A city in the region reported that a small tsunami had hit, but there were no immediate reports of injuries or damage.
The Japan Meteorological Agency said the earthquake had a preliminary magnitude of 7.3 and struck in the Pacific Ocean off the coast of Miyagi prefecture at 5:18 p.m. (0318 Eastern). The epicenter was 6.2 miles beneath the seabed.
After the quake, which caused buildings in Tokyo to sway for at least several minutes, authorities issued a warning that a tsunami potentially as high as 2.19 yards could hit. Ishinomaki, a city in Miyagi, reported that a tsunami of 1 yard hit at 6:02 p.m. (0402 Eastern).
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