A 6.6-magnitude aftershock rattled Japan today on the one-month anniversary of the twin disasters that left at least 25,000 dead and officials scrambling to prevent a meltdown at damaged nuclear reactors.
A 3-foot tsunami warning was issued after the temblor hit the northeast coast 5:16 p.m. local time. All advisories and warnings were lifted about an hour later, according to local Japanese TV.
Japanese officials reported the aftershock at 7.1 before downgrading it to 7.0, but the U.S. Geological Survey said the quake was closer to a magnitude 6.6.
The epicenter of the quake was the Fukushima area but it was felt across a widespread area, officials said.
The same general region was hit Thursday by a 7.1 quake, which shutdown two Japanese nuclear plants and triggered a tsunami warning.
The aftershock comes as the country observed moments of silence and reflected on the devastating 9.0-magnitude earthquake and tsunami that hit Japan March 11.
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