Largest island created by volcanic eruptions

Largest island created by volcanic eruptions
Who
Iceland
What
103000 square kilometre(s)
Where
Iceland ()

The largest volcanic island is Iceland, the entirety of which was formed from volcanic eruptions from the mid-Atlantic Ridge, upon which it sits. Measuring 103,000 km² (39,768 miles²) in area, Iceland is essentially ocean floor exposed above the ocean surface.