There aren't any Portuguese islands of Gibraltar. You may be thinking about Madeira off Africa.
Azores
Azores
phillipines
Volcano Islands are the remains of dormant or still active volcanoes that have formed islands of land above the surface of the sea.
BARREN ISLAND in Andaman and Nicobaar islands is the Only Active Volcano in INDIA.
Barren Island, one of the most easterly of the Andaman Islands is the only active volcano in India.
Most volcanoes are not active but some are. It is very rare for a volcano to be active. :-)
andaman and nicobar islands
The Hawaiian islands are made up of many volcanoes, most of which are extinct. However, one volcano, Kilauea on the big island, is one of the most active volcanoes in the world.
An active volcano, such as in the Hawaiian islands, is a weak spot in the Earth's crust.
More than 100 islands
No. An island can only be a volcano if it was a volcano to begin with. That said, a volcano can be dormant for hundreds of years, so it may not be readily apparent that an island is volcanic.
taal volcano is ACTIVE