The Canary Islands

Question 1

How long and Where is the Spanish Archipelago?

Answer 1

600km long, Atlantic Ocean, 100km from coast of south Morocco.

Question 2

How was it created?

Answer 2

Created by mantle plumes rising that break through weak areas of crust
As the plate moves slowly, usually a hot spot is on an oceanic crust it manifests as a series of islands.