01/07/2018
The Galapagos Islands are formed of lava piles and dotted with shield volcanoes, many of which are periodically active.
Galapagos Islands: Galapagos Islands, island group of the eastern Pacific Ocean, administratively a province of Ecuador. The Galapagos consist of 13 major islands (ranging in area from 5.4 to 1,771 square miles [14 to 4,588 square km]), 6 smaller islands, and scores of islets and rocks lying athwart...