It is called Green Island.
The entire Hawaiian island chain extends approximately 1,500 miles from the island of Hawaii in the south to northernmost Kure Atoll. The northwesternmost island in the chain is Green Island, which is joined to the Kure Atoll. ChaCha again soon!
It is claimed by the US.
No, Kure still keeps its head above water, and no, it has had no volcanic activity for thousands of years.
It is named Sand Island and has as area of about 1,200 acres.
The state extends westward from the "big island" of Hawaii, near 150°W longitude, to near 178° W longitude (Kure Atoll), and the associated island chain stretches northwest to the Aleutian Trench.
bikini atoll
Atolls are typically found in warm tropical and subtropical oceans, particularly in the Pacific and Indian Oceans. They are commonly found in areas with low-lying coral reef islands surrounding a central lagoon. Some well-known atolls include the Maldives, Tuamotu Archipelago, and Marshall Islands.
Cameron B. Kepler has written: 'Breeding biology of the blue-faced booby, Sula dactylatra personata, on Green Island, Kure Atoll' -- subject(s): Behavior, Birds, Masked booby, Nests, Reproduction
Laysan Island is a tiny Hawaiian atoll. It is northwest of the main Hawaiian Islands. Laysan is part of a protected wildlife sanctuary, and no animals live there.
atoll
ATOLL
An atoll is an island of coral that partially or completely surrounds a lagoon.