HONG KONG, June 22 (Xinhua) -- An earthquake with a magnitude of 6.1 jolted 88 km ESE of Nemuro, Japan at 21:23 GMT on Saturday, the U.S. Geological Survey said.

The epicenter, with a depth of 10.0 km, was initially determined to be at 42.90 degrees north latitude and 146.50 degrees east longitude. ■