Honshu the economy along the northwestern Sea of Japan coast is largely based on fishing and agriculture. The island is linked to the other three major Japanese islands by a number of bridges and tunnels. Its climate is humid and mild. The island is roughly long and ranges from wide, and its total area is , 60% of the total area of Japan, making it slightly larger than Great Britain. Its land area has been increasing with land reclamation and coastal uplift in the north, but global sea level rise has diminished these effects. Honshu has of coastline. Mountainous and volcanic,
S. Hata Building restored S. Hata building. It displays educational interactive exhibits on the Leeward Islands, which are protected along with their surrounding waters as the Papahānaumokuākea Marine National Monument. The name comes from "Mokupāpapa" in the Hawaiian language which means "flat/low reef island". This name was used in chants of Ancient Hawaii, perhaps referring to the area now known as French Frigate Shoals, or the northwestern islands in general. The Northwestern islands stretch for hundreds of miles northwest of the main Hawaiian islands; the discovery center is on the southeastern-most island in the chain, Hawai'i Island, which is the youngest and farthest