( CNN ) -- A strong earthquake struck off the south coast of Japan on Sunday night local time , `` jolting Tokyo and wide areas of eastern Japan , '' the country 's Kyodo news agency reported . The 7.1 earthquake hit 200 miles ( 320 kilometers ) south-southwest of Tokyo at 7:55 p.m. ( 6:55 a.m . ET ) , the United States Geological Survey reported . Its epicenter was 188 miles ( 303 kilometers ) deep , the USGS said . The Japan Meteorological Agency reported its magnitude as 6.9 , Kyodo said . There were no immediate reports of damage , and the Pacific Tsunami Warning Center did not issue a tsunami warning .
Tremor hits south of Tokyo , ` ` in Tokyo , '' Kyodo news agency reported . United States Geological Survey measures quake as tsunami event . Pacific Tsunami Warning Center did not issue a tsunami alert .