Archipelagos

Archipelagos are similar to islands except they are a massive group of islands, meaning it holds multiple islands. Archipelagos form when multiple volcanoes erupt on the ocean floor. This is called oceanic islands. Oceanic islands form when layers of magma builds up. During this process, the volcano is called a seamount. Overtime the volcano builds reaching the ocean surface, forming an island.

Diagrams

Volcanoes erupt underwater.

The lava builds up. During this process the volcano is called a seamount.

Eventually it reaches the ocean surface, forming an island.

Examples of Archipelagos

Malay Archipelago

Malay Archipelago is situated between the countries Australia and south-east of Asia. It is the biggest group of islands existing on Earth, holding approximately 7,000 islands of the Philippines and 17,000 of Indonesia.

The Philippines Archipelagos

The Philippines Archipelago is situated in south-east Asia, covering around 300,000 square kilometres and holding more than 7,000 islands. Within the chain of multiple island the two largest are Mindanao and Luzon.

Stockholm Archipelago

Being Sweden's largest archipelago, Stockholm archipelago is located on the eastern shoreline of Sweden.

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