@CNN: At least 450 active and dormant volcanoes line the Ring of Fire, the most earthquake-prone zone in the world… https://t.co/rGR5tB1UY4
At least 450 active and dormant volcanoes line the Ring of Fire, the most earthquake-prone zone in the world https://t.co/iJE42ZjYn9 http://pic.twitter.com/AcEf8htl7z
— CNN (@CNN) September 8, 2017