Mariana Islands
Appearance
![](http://chped.net/https/upload.wikimedia.org/wikipedia/commons/thumb/6/61/Philippine_Sea_location.jpg/400px-Philippine_Sea_location.jpg)
The Mariana Islands (an aa the Marianas) are an arc-shaped airchipelago made up bi the summits o fifteen volcanic muntains in the north-wastren Paceefic Ocean atween the 12t an 21st parallels north an alang the 145t meridian east.