The island is still referenced on marine charts, as its top is only 6 metres (20 feet) short of breaking the surface, it thus becomes a potentially dangerous hidden obstacle for many seafaring vessels whose keels most often run deeper than this.
[9] By 17 July, a fully grown islet had formed enough to where Sicilian customs official Michele Fiorini was able to land there and to claim the island for the Kingdom of Sicily.
[9] Some observers at the time wondered if a chain of mountains would spring up, linking Sicily to Tunisia and thus upsetting the geopolitics of the region.
Researchers have attempted to discover what volcanic activity was responsible for the stratospheric discharge that caused the discoloration, with an early consensus that Babuyan Claro in the Philippines was the most likely source.
[15] Even later research ruled out a larger 1831 eruption of the Zavaritski Caldera, as the phenomenon predominated in a limited geographic range and lasted only a month.
[16] Nat Turner, an enslaved preacher in Southampton County, Virginia, took the bluish-green sun as a divine sign to begin what became known as Nat Turner's slave rebellion, which ended with the deaths of more than 200 people and led to new laws across the South further restricting the liberties of slaves, including banning their education and limiting their religious freedom.
Despite showing signs in both 2000 and 2002, the seismicity did not lead to volcanic eruptions and as of 2000[update] Graham's summit remains about 8 metres (26 ft) below sea level.
[1] To forestall a renewal of the sovereignty disputes, in November 2000 Italian divers planted a Sicilian flag on the top of the volcano in advance of its expected resurfacing.
[6] During its emergence it was visited by Sir Walter Scott, and it provided inspiration for James Fenimore Cooper's The Crater, or Vulcan's Peak, Alexandre Dumas, père's The Speronara, Jules Verne's Captain Antifer and The Survivors of the Chancellor and Terry Pratchett's Jingo.
The island was also the subject of an episode of Citation Needed, a panel show made and hosted by British content creator Tom Scott.
A number of Cinderella stamps and art coins have been issued over the years, under fictional names such as Poste Isola Ferdinandea.
[21] In 2000, an unofficial minting of a penny was produced by a Sicilian artist, featuring the former island on one side and, unusually, a bust of Elizabeth II on the other.
David Mannucci, the designer of the coin, had the idea to produce it after he "found out the existence of the ghost island" from a newspaper article.