"an old Iberian legend, set during the Muslim conquest of Hispania c. 714. Seeking to flee from the Muslim conquerors, seven Christian Visigothic bishops embarked with their flocks on ships and set sail westwards into the Atlantic Ocean, eventually landing on an island (Antilha) where they founded seven settlements."
Azorean here (smiguel, Melo&Abreu, Santo Cristo, etc) and I have to call bullshit on this. We believe in Atlantis inasmuch as we believe that the Sete Cidades lagoon sprouted from the tears of a princess.
Given that large fires do occur naturally and don't require human intervention, it sounds quite a leap to jump from that onto "humans did it".
eg correlates to other events, evidence of known occupied areas and confounding wildfire signals.
Its like treerings. They're going to work with sediment levels which include strong signals of widespread events, and volcanic events nearby, and discount them scientifically