A 6.7 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 about 12 miles, 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.

No tsunami alerts were issued Friday for the West Coast of the U.S. or Hawaii.

Monday's earthquake, also off the coast o

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