Calayan topographic maps

Didicas is topped with a lava dome with an elevation of 228 metres (748 ft) and a base diameter of 1,200 metres (3,900 ft) at sea level. It is at the southern end of the Luzon Volcanic Arc, and like all the volcanoes in the Philippines, is part of the Pacific ring of fire.

Average elevation: 7 m

Babuyan Claro is a stratovolcano with an elevation of 843 meters (2,766 ft) and a base diameter of about 8 kilometers (5.0 mi) located in the center of Babuyan Island (also referred to as Babuyan Claro Island). It has four morphologically-fresh volcanic edifices: Mt. Cayonan in the south, Mt. Naydi and Mt.…

Average elevation: 688 m

Average elevation: 203 m

Average elevation: 19 m

Average elevation: 105 m

Average elevation: 50 m

Average elevation: 208 m

Average elevation: 185 m