The formation became known by several names, including Ferdinandea and Graham Island.
Repeated eruptions deposited loose volcanic material above the waterline.
Its submerged volcanic structure remained part of the https://www.yapstate.gov.fm/post/reel-in-the-fun-join-the-yap-fishing-derby-and-boat-race-for-waab-taguw-day?commentId=e4970d24-d561-4957-aefc-750e15212d0c