Stunning Oia cliff on the Santorini Island Greece
Oia Santorini Oia or Ia is a small village in the South Aegean Sea on the islands of Santorini and Therasia. it is One of the most famous Geotourism destinations…
Caldera- An Introduction
What is caldera A Caldera is sub-circular, polygonal, or elongate subsidence basins formed by the eruption of magma from subvolcanic reservoirs. During a volcanic eruption, magma underneath the volcano is…








