TOKYO -- A tsunami advisory was issued for part of southwest Japan after a magnitude 6.6 earthquake struck Monday, but the warnings to stay away from coastal areas were later lifted. A few instances of minor damage were reported. Japan’s Meteorological Agency initially estimated the magnitude was 6.9 but later revised it to 6.6.

A strong earthquake struck southwestern Japan, the U.S. Geological Survey said, prompting authorities to issue a tsunami advisory.

An earthquake with a magnitude of 6.6 struck southwestern Japan on Monday, with no immediate reports of injury or damage, and small t