The volcanic island of Thera erupted in one of the largest explosive events of the Holocene, burying the Bronze Age port town of Akrotiri under metres of pumice and ash and collapsing the centre of the island into a flooded caldera. Akrotiri's inhabitants appear to have left before the final blast: no bodies and few valuables were found, but an entire town of multi-storey houses, paved lanes, drains and piped water was sealed intact. Ashfall, tsunami and several years of climatic disruption struck the coasts of Crete and the wider Aegean, and Minoan palatial power on Crete weakened over the following generations. Radiocarbon evidence clusters the eruption around 1600 BCE while some archaeological chronologies place it nearer 1500 BCE.
Akrotiri gives the earliest detailed picture of a planned Aegean town, with terraced multi-storey blocks, street drainage and indoor sanitation predating classical Greek practice by a millennium. The eruption became the standard case for how one geological event can decapitate a maritime trading network of cities, and it is the archetype for the 'buried city' as an archaeological and planning document.
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