The meteorological agency posted the following update at 6:15 a.m. local time, cancelling earlier posted tsunami advisories:
"Though there may be slight sea-level change in coastal regions, no tsunami damage is expected.
"Pay attention when fishing, swimming or engaging in other activities, as there may still be slight sea-level changes for the time being.
"No Major Tsunami Warnings, Tsunami Warnings and Advisories are currently in effect."
The 6.8 magnitude earthquake that originally raised concerns of a tsunami struck 80 miles off the coast of Namie and 176 miles from Tokyo, at a depth of 11.1 kilometers, according to the U.S. Geological Survey.
The epicenter of Saturday's quake was reportedly not far from Fukushima, where in 2011 an earthquake struck, causing a deadly tsunami that triggered a meltdown at the Fukushima Daiichi Nuclear Power Plant.
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