Magnitude 6.1 quake strikes 127 km west of Hokkaido, Japan - USGS

REUTERS - A magnitude 6.1 quake struck in the ocean 127 km (79 miles) west of the city of Asahikawa on the Japanese island of Hokkaido early on Tuesday morning, the U.S. Geological Survey said. It put the depth of the quake at 236 km, and originally reported the magnitude at 6.3. (Writing by Kevin Liffey; Editing by Catherine Evans)