“The island of Ischia seen from the sea, showing volcanic features”. Coloured etching by Pietro Fabris, 1776. (Iconographic Collections at Wellcome Images)
Ischia (pronounced: ‘Is-kyah) is a densely inhabited volcanic island in the Bay of Naples, on the mid-southwestern coast of Italy, some 30km from the Naples mainland. Most people know that the island of Ischia is of a volcanic nature. Many of them believe that it is just another extinct volcanic cone, layers over layers of lava, piled up throughout distant eruptive periods. Not so! The interesting thing is that it’s not your off-the-shelf volcano grown from a seamount before emerging above the sea surface. Ischia has a distinctly different geological history compared to the island volcanoes we know from subduction zones. And, of course, it is not extinct. Continue Reading
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