Galapagos of Mexico; hot spot volcanoes on the sea floor I. Map boundaries: 10 to 20 degrees North; 112 to 120 degrees West II. Country (State): Mexico (Colima) III. Overview Isolated islands are noted for endemic plants and animals. The four Revillagigedo Islands formed on the East Pacific Rise or just to the west of … More Clarion, Roca Partida, and Shimata