Tour to the island of Nisyros, an outdoor geological museum

23 to 25 October 2012

After three weeks of warm sunny weather, 23 October dawned with grey skies and the prospect of rain. Nevertheless 21 optimists set off for Nisyros, a presently dormant volcano situated in the Aegean volcanic belt that includes Santorini.  It started to appear 150,000 years ago, following a huge eruption between western Kos and the island of Yali.  Its present form dates from 20,000 years ago after the last major volcanic eruptions.  The entire Nisyros island is a huge volcanic edifice.  Each and every stone on the island was created as a result of volcanic activity, each and every one of the layers of rocks of which the island is made were laid during its many eruptions.

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