TOKYO — A 6.9 magnitude earthquake shook northeastern Japan and caused small tsunami waves but no apparent damage Friday, days after a stronger quake in the same region.

Friday's quake occurred off the east coast of Aomori prefecture, in the north of Honshu, the main Japanese island, at a depth of 12.4 miles at 11:44 a.m., according to the Japan Meteorological Agency, which issued a tsunami advisory that was lifted about two hours later.

Small waves were reported in Hokkaido and Aomori prefectures, but no serious damage or injuries were reported.

The quake followed a 7.5 magnitude earthquake Monday that caused injuries, light damage and a small tsunami on Japan's Pacific coast.

At least 34 people were injured in that quake, power was knocked out temporarily in places, and tsunami waves

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