Island Arcs - geography.

Island Arcs - geography. Island Arcs of Japan An intricate pattern of island chains surrounds Japan. The Kuril Islands form an arc to the northeast. The northern part of Honsh?, Japan's largest island, has a north-south orientation. This line continues southward through the Bonin Islands. Southern Honsh? bends west, and the island of Ky? sh? and the Ryukyu Islands arc to the southwest. Melti...