The ring of fire is many under water volcanoes, it is a circle of volcanoes. It just takes plates to move or magma build up for it erput
Description The Fermi paradox, named after Italian-American physicist Enrico Fermi, is the apparent contradiction between the lack of evidence for extraterrestrial civilizations and various high estimates for their probability. Michael H. Hart formalized the basic points of the argument in a 1975 paper.
One negative consequence could be that the economy can't grow and get better.