Hawaii (island)

Hawaii (island)
source
Name	Hawaii
Location	North Pacific Ocean
Area km2	10430
Highest mount	Mauna Kea
Elevation m	4207
Population	200,629
Population as of	2020

Hawaii (island). The largest and southeasternmost island in the Hawaiian archipelago, it is often called the "Big Island" to distinguish it from the U.S. state of Hawaii. The island is renowned for its dramatic and diverse landscapes, which include active volcanoes, lush rainforests, and expansive black sand beaches. It is administratively part of Hawaii County, with major population centers including Hilo and Kailua-Kona.

Geography

The island's geography is dominated by five massive shield volcanoes: Kohala, Mauna Kea, Hualālai, Mauna Loa, and Kīlauea. Its coastline features dramatic contrasts, from the rugged cliffs of the Hamakua Coast to the sunny, dry shores of the Kona coast. Significant geographic features include the deep valleys of Waipiʻo Valley and Waimanu Valley, the vast Kaʻū Desert, and the southernmost point in the United States, Ka Lae. The island's size allows for a remarkable range of microclimates, from tropical Hilo to the alpine conditions atop Mauna Kea.

Geology

The island is a geological showcase, formed by the Hawaiian hotspot over hundreds of thousands of years. Kīlauea, one of the world's most active volcanoes and part of Hawaiʻi Volcanoes National Park, has been in a state of nearly continuous eruption for decades. Mauna Loa is the largest volcano on Earth by volume and mass, while Mauna Kea, though dormant, is the tallest mountain from base to peak. The island's ongoing growth is evidenced by the recent lava flows from Kīlauea's Puʻu ʻŌʻō vent and the 2018 lower Puna eruption, which dramatically reshaped the Puna district. The island's youthful geology also results in unique formations like Punaluʻu Black Sand Beach.

History

The island was historically the political and cultural center of the Kingdom of Hawaii, with rulers like Kamehameha I who was born in Kohala and later unified the archipelago. Key historical sites include the Puʻuhonua o Hōnaunau National Historical Park and the Kaloko-Honokōhau National Historical Park. The arrival of Captain James Cook at Kealakekua Bay in 1779 marked a pivotal contact with the Western world. In the 19th century, the island became a major center for the sugarcane and coffee plantations, attracting immigrant labor from China, Japan, Portugal, and the Philippines. The Overthrow of the Hawaiian Kingdom and subsequent Annexation of Hawaii by the United States profoundly impacted the island's political trajectory.

Demographics

According to the 2020 United States Census, the island has a population of over 200,000 residents. The largest settlement is Hilo, the county seat, followed by the western hub of Kailua-Kona. The population is ethnically diverse, with significant communities of Native Hawaiians, Japanese Americans, Filipino Americans, and European Americans. Other notable towns include Waimea (Kamuela), Captain Cook, and Pāhoa. The University of Hawaii at Hilo and the ʻImiloa Astronomy Center are important cultural and educational institutions.

Economy

The economy is multifaceted, with tourism serving as a primary driver, centered around destinations like Hawaiʻi Volcanoes National Park, Mauna Kea Observatories, and the resorts of the Kohala Coast. Agriculture remains vital, with the island being a global leader in the production of macadamia nuts and Kona coffee. Other significant sectors include astronomy, with major facilities like the W. M. Keck Observatory and the Subaru Telescope, and aquaculture. The Daniel K. Inouye Highway (Saddle Road) is a critical infrastructure link between the east and west sides of the island.

Ecology and environment

The island hosts an extraordinary array of ecosystems, from coral reefs to alpine aeolian zones. It is home to numerous endemic species, many of which are endangered, such as the Hawaiian hawk (ʻio) and the Hawaiian petrel (ʻuaʻu). Major conservation areas include Hakalau Forest National Wildlife Refuge and the Hawaii Tropical Botanical Garden. Environmental challenges include threats from invasive species like the coqui frog and little fire ant, habitat loss, and the impacts of climate change on coastal communities and marine environments. The protection of native forests in regions like Laupāhoehoe is critical for watershed health.