Japan’s Meteorological Agency withdrew a tsunami advisory after a 6.9 magnitude earthquake occurred off the coast of southwest Japan.

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.

Japan’s position along the “Ring of Fire”, a string of hundreds of volcanoes and earthquake sites in the Pacific Ocean, makes it vulnerable to frequent earthquakes. Here is how.