He visited the island of Fogo in Cape Verde which was a Portuguese possession and witnessed the 1951 eruption as he visited which lasted from June 2 to August, he came after the eruption started and also filmed it. He also wrote A Ilha do Fogo e as Suas Erupções (Fogo Island and its Eruptions) which started publications in 1954, three years after the island's eruption and was finished in 1960, it was about the previous eruptions that occurred on the island up to 1951. On the book, he inspired a large number of pages from Baltasar Lopes da Silva's novel Chiquinho into one of its chapters. The book was awarded the Lopes de Rego Award in 1957. A small cone made out of the 1951 eruption south of Pico do Fogo (now a volcanic hill) named Monte Orlando was named for him