Claim: Robinson Crusoe Island (native name Isla Róbinson Crusoe) was formerly part of the Juan Fernández Islands until it was separated by a volcanic earthquake in 1835.
Evidence: Native name: Isla Robinson Crusoe Robinson Crusoe Island 'Closer to Land'), is the second largest of the Juan Fernández Islands, situated 670 km (362 nmi; 416 mi) west of San Antonio, Chile, in the South Pacific Ocean.