Where was Volcano (1950) filmed?

1950 film by William Dieterle

Volcano (1950) was filmed in Messina, Aeolian Islands, Salina and Lipari, 4 places named in its Wikipedia article, in Italy. Wikidata records no filming location for it at all, so the article is the only recorded source. Each place says where its claim comes from.

See them on the map → Wikipedia Source data