The last significant volcanic eruption , the Capelinhos volcano ( Vulcão dos Capelinhos ) , occurred off the coast of the island of Faial ( in 1957 ) ; the most recent volcanic activity occurred in the seamounts and submarine volcanoes off the coast of Serreta and in the Pico-São Jorge Channel .
The last volcano to erupt in the archipelago was the Capelinhos Volcano ( Portuguese : Vulcão dos Capelinhos ) in 1957 , in the western part of the island of Faial .