Etymology of the name: In the past it was called “Ericusa”, which derives from the Greek “Ericòdes” (flourished of heather) while the current name comes from the Arabic “Ali-Kur” (the fortress of Ali).
Origin: volcanic.
Volcanic activity: The volcano is dormant and there are no endogenous phenomena or traces of recent activity.
Age: it is the youngest of the archipelago. Volcanic activity began 90,000 years ago and ended 28,000 years ago.