Aerial view of Barcena volcanic rim on San Benedicto island, Mexican pacific

san benedicto barcena extinct volcano mexican pacific revillagigedo islands isla de los innocentes revillagigedo national park gulf of california mexico volcanic volcanic archipelago submarine volcano geography aerial rugged terrain uninhabited island revillagigedo archipelago pacific ocean reserve marine protected area summit biosphere reserve natural flight pacific erosion remote ocean sea mexican reserve telephoto geological features topography outdoors landscape altitude birdseye scenic drone europe nature travel geology crater scuba diving destination volcanic island