The formation became known by several names, including Ferdinandea and Graham Island. Repeated eruptions deposited loose volcanic material above the waterline. The island consisted largely of volcanic material https://www.hattonparish.gov.uk/post/do-you-know-someone-who-goes-above-and-beyond-the-call-of-duty?commentId=53224120-60e8-4e6a-bd8f-3473134ca682