This feature has been not released, but is coming soon! If you are a content moderator or above, please do not delete this page or the Wolverine will come to eat you.
Natural Disasters are an upcoming features in mope.io. The first one is a volcano then probably earthquake (or volcano and earthquake together). It's going to be released in one of the next few updates if not the next major update. It was confirmed by Pike in the official mope.io subreddit. Also pike confirmed the natural disasters in this wiki : http://mopeio.wikia.com/wiki/Thread:4132