An earthquake measuring 6.1 on the Richter scale jolted off the east coast of Honshu, Japan at 2. 58 p.m. GMT (8.28 p.m. IST) on Thursday, the U.S. Geological Survey, monitored in Beijing, said.
The epicentre, with a depth of 24 km, was initially determined to be at 38.1730 degrees north latitude and 144.0398 degrees east longitude.