A volcano will explode once every 3 months. So each volcano explodes 3 months apart. In this area, there are 3 volcanos. If the first volcano erupts in May, when does the third erupt?
This section requires Javascript.
You are seeing this because something didn't load right. We suggest you, (a) try
refreshing the page, (b) enabling javascript if it is disabled on your browser and,
finally, (c)
loading the
non-javascript version of this page
. We're sorry about the hassle.
So if the first volcano eruption starts in May, three months later it would be August. Then three months after THAT we get November.