I need to ask you guys after reading this article.
Any speculations on why some maps showed it?
What can be the cause of inaccuracies in (web)Maps?
It is on this Chart:
"the island was discovered on an 1876 voyage by a vessel called Velocity"
There are 3 possible reasons what could have happened:
This situation is an illustrative example of just how important metadata is, and how it should be maintained and saved when merging data from various sources.