how big is the island of oahu hawaii
Oahu O‘ahu (pronounced [oˈʔɐhu], anglicized Oahu /oʊˈɑːhuː/), known as "The Gathering Place", is the third-largest of the Hawaiian Islands. It is home to roughly one million people -- about two-thirds of the population of the U.S. state of Hawai‘i. The state capital, Honolulu, is on O‘ahu's southeast coast. Including small associated islands such as Ford Island and the islands in Kāneʻohe Bay and off the eastern (windward) coast, its area is 596.7 square miles (1,545.4 km2), making it the 20th-largest island in the United States.[1]
Lōʻihi Seamount Lōihi Seamount (also known as Lōʻihi) is an active submarine volcano about 35 km (22 mi) off the southeast coast of the island of Hawaii.[6] The top of the seamount is about 975 m (3,000 ft) below sea level. This seamount is on the flank of Mauna Loa, the largest shield volcano on Earth. Lōihi, meaning "long" in Hawaiian, is the newest volcano in the Hawaiian-Emperor seamount chain, a string of volcanoes that stretches over 5,800 km (3,600 mi) northwest of Lōʻihi. Unlike most active volcanoes in the Pacific Ocean that make up the active plate margins on the Pacific Ring of Fire, Lōʻihi and the other volcanoes of the Hawaiian-Emperor seamount chain are hotspot volcanoes and formed well away from the nearest plate boundary. Volcanoes in the Hawaiian Islands arise from the Hawaii hotspot, and as the youngest volcano in the chain, Lōihi is the only Hawaiian volcano in the deep submarine preshield stage of development.