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View from the top of Diamond Head, 2015. Diamond Head is a volcanic tuff cone on the Hawaiian island of Oʻahu.It is known to Hawaiians as Lēʻahi (pronounced [leːˈʔɐhi]), which is most likely derived from lae (browridge, promontory) plus ʻahi (tuna) because the shape of the ridgeline resembles the shape of a tuna's dorsal fin. [3]
Diamond Head is a 1,700-metre (5,600 ft) (rim-to-rim) wide [40] typical tuff cone with a wide and not overly deep crater that forms a prominent promontory east of Honolulu. [38] Inland from Diamond Head lie the Kaimukī and Mauʻumae cones, [ 51 ] which appear to come from a shared fissure . [ 38 ]
After hundreds of thousands of years of dormancy, Koʻolau volcano began to erupt again. Some thirty eruptions over the past 500,000 years or so have created many of the landmarks around eastern Oʻahu, such as Diamond Head, Koko Head (Hanauma Bay), Koko Crater, Punchbowl Crater, Tantalus, and Āliapaʻakai, and are collectively known as the Honolulu Volcanic Series, or simply Honolulu ...
The cinder cone formed after the demise of Koʻolau Volcano, during a time of rejuvenated-stage volcanism in southeastern Oʻahu that also formed Punchbowl Crater, Diamond Head and Koko Head as part of the Honolulu Volcanics. Tantalus overlooks the modern city of Honolulu, which is built on top of Tantalus cinders.
Fifty years later, Congress authorized a small appropriation to establish a national cemetery in Honolulu with two provisions: that the location be acceptable to the War Department, and that the site would be donated rather than purchased. In 1943, the governor of Hawaii offered the Punchbowl for a national cemetery. The $50,000 appropriation ...
Koko Crater is a part of the Honolulu Volcanics, which were craters that formed as vents of the Koʻolau Volcano during its rejuvenation stage. [1] Other notable landmarks within the Honolulu Volcanics include nearby Hanauma Bay and the well-known Diamond Head crater.
Diamond Head: Honolulu: Oahu: State Monument Towering exposed basaltic cinder code, located within the middle of Honolulu's urban core. I'ao Valley: Wailuku: Maui: State Monument Eroded volcanic pinnacles covered in vegetation and surrounded by a lush rain forest. Kanaha Pond: June 1971 Kahului: Maui: State Wildlife Sanctuary A brackish water ...
The evolution of Hawaiian volcanoes occurs in several stages of growth and decline. The fifteen volcanoes that make up the eight principal islands of Hawaii are the youngest in a chain of more than 129 volcanoes that stretch 5,800 kilometers (3,600 mi) across the North Pacific Ocean, called the Hawaiian–Emperor seamount chain. [1]