A 6.7-magnitude earthquake occurred off northern Japan on Friday, the weather office said, days after a 7.5-level tremor in the same region injured at least 50 people.
The Japan Meteorological Agency (JMA), upgrading its initial estimated magnitude of 6.5, also warned that tsunami waves of up to one metre (three feet) could hit the northern Pacific coastline.
The United States Geological Survey (USGS) also said that the quake measured 6.7 and was 130km (81 miles) off the city of Kuji in Iwate prefecture on the main island of Honshu.
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Broadcaster NHK said that the level of shaking was less than the bigger tremor late on Monday, which knocked items off shelves, tore apart roads, smashed windows and triggered tsunami waves of up to 70cm (27 inches).
The Nuclear Regulation Authority said on Friday there were no immediate signs of abnormalities at the region’s nuclear facilities.
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Dozens hurt after magnitude 7.5 quake in northeastern Japan
Dozens hurt after magnitude 7.5 quake in northeastern Japan
Following Monday’s tremor, the JMA had published a rare special advisory warning that another quake of similar or greater size was possible for another week.
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