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December 21, a magnitude 6.3 earthquake occurred off the east coast of Honshu, Japan (40.75 degrees north latitude and 142.75 degrees east longitude), with a focal depth of 10 kilometers.
In addition, according to the report of the station reporter Japan, Hokkaido, Iwate Prefecture, Aomori Prefecture and many other places have felt earthquakes. The earthquake is not in danger of causing a tsunami.