# 15 is misleading. I couldn't find an exact number, because it doesn't happen regularly, but I follow the activities of the Space Station, and often see photos of erupting volcanos shared. I saw one article, though, that said 50 to 60 volcanos erupt every year. That may be your definition of rare.
# 15 is misleading. I couldn't find an exact number, because it doesn't happen regularly, but I follow the activities of the Space Station, and often see photos of erupting volcanos shared. I saw one article, though, that said 50 to 60 volcanos erupt every year. That may be your definition of rare.