By the CNN Wire Staff
updated 8:28 PM EDT, Mon October 1, 2012
(CNN) — A 6.2-magnitude earthquake struck off Japan’s eastern coast early Tuesday, the U.S. Geological Survey reported.
With a depth of 9 kilometers (5.6 miles), the tremor was about 96 kilometers (almost 60 miles) east-northeast of Miyako and 550 kilometers (342 miles) north-northeast of Tokyo, according to the U.S. agency.
The quake occurred just over a year and a half since a 9.0-magnitude earthquake triggered a huge tsunami off Japan, resulting in thousands of deaths and the world’s worst nuclear crisis in a quarter century.
The Japan Meteorological Agency, however, did not issue any tsunami warnings or advisories immediately after the Tuesday morning quake, according to its website. No such warnings were issued by the Pacific Tsunami Warning Center either.
A little more than 30 minutes after this first earthquake, another significant, if slightly weaker one, hit…
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