An enormous natural phenomenon. Santorini Caldera in two different periods.
The time period of 1818 and the last scan 2016. In the two pictures we can recognize the only tremendous depth in the area as it grows periodically. A big hole the Volcanic Crater of Santorini Caldera at the Mediterranean.
A natural museum growing and is in progress.
But since the explosion of 1645 to 1600 BC, for the detailed viewers 1628 BC if we believe the tree rings data, from the latest scientific research, Santorini is slowly slowly rebuilding itself.
The volcano is situated above a subduction zone – the African Plate submerging below the European Plate – which aids in the on going generation of magma. Santorini is an active”sleeping” volcano, compared to other active craters on the Earth.