Experts believe Inner Hebrides were formed by volcanic fissures

Cracks in the Earth's surface could mean that the Inner Hebrides are as geologically active as Hawaii and Iceland.

Anne Smith

How the beautiful Inner Hebrides evolved has been a centuries-old debate among scientists.

But experts from Aberdeen University believe they’ve now solved the mystery.

They’ve discovered that cracks in the Earth’s surface, known as volcanic fissures, created the islands.

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