Fears of an eruption have been going since the end of July, when El Hierro experienced the first of what has become more than 10,000 tremors - collectively known as an earthquake 'swarm'.
ISLANDS PERCHED ON THE SHIFTING AFRICAN PLATE
Eruption: A diagram showing where the epicentres of tremors have been. El Hierro was formed when three volcanoes erupted 100 million years ago
Read more: http://www.dailymail.co.uk/sciencetech/article-2058436/El-Hierro-volcano-ready-eruption-Homes-evacuated-Spains-southern-Canary-Islands.html#ixzz1d4nTFEjW