Mount Hasan is part of a larger volcanic province in Central Anatolia known as the Central Anatolian or Cappadocian Volcanic Province., which includes ignimbrites, monogenetic volcanic fields and stratovolcanoes such as Mount Erciyes, Mount Hasan, Karacadağ and Melendiz Dağ with an area of about -. Volcanism took place during the Plio-Pleistocene and into the Quaternary.