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Hasan Dağ
Volcano type: Stratovolcano
Volcano number: 213002
Latitude: 38.13°N
Longitude: 34.17°E
Elevation: 3253 m
Distance to Ankara: ~230 km
Closest city: Aksaray ~30 km
Population within 5 km: 235
Population within 10 km: 4,979
Population within 30 km: 174,584
Population within 100 km: 1,362,673
Hasan Dağı is a large stratovolcano in Central Anatolia, near the city of Aksaray. The eruptions involving the collapse of the caldera in Hasandağ, where rocks with a composition ranging from basaltic to rhyolitic, summit caldera, double summit, domes, ignimbrites, block and ash flows and debri avalanches constitute today's structure. The two distinctive peaks of Hasandağ are andesitic to dacitic lava domes. Pyroclastic flow deposits from lava domes blanket the flanks, and large caldera-collapse ignimbrites covers in the west, south and northeast of the volcano. Numerous cinder cones and associated lava flows can be found low on the flanks and surrounding plains.
The eruptions around the Hasandağı volcano started about 13 million years ago and have been up to historical times. Today, Hasandağı continues its activity, which also has a fumerol activity of approximately 55ºC at its peak. There are also many gases of volcanic origin around the volcano.
References
Atıcı, G., Türkecan, A. 2016. ‘’Anadolu’nun Volkanları’’, MTA Doğal Kaynaklar ve EkonomiHaber Bülteni, S. 22, 1-18.
Atıcı, G., Gündoğdu, E.A., Kuzucuoğlu, C., Türkecan, A., Mouralis, D. 2019b. Orta Anadolu’da Holosen Volkanizması: Hasan Dağı ve Kapadokya’da İlk İnsan Topluluklarının Yaşam Ortamı (Rapor No: 13808). Ankara: MTA Yayınları.
Aydar and Gourgaud (1998) The geology of Mount Hasan stratovolcano, central Anatolia, Turkey. Journal of Volcanology and Geothermal Research, 85, 129-152.
Global Volcanism Program, 2013. Hasan Dagi (213002) in Volcanoes of the World, v. 4.7.6. Venzke, E (ed.). Smithsonian Institution. Downloaded 12 Apr 2019 (https://volcano.si.edu/volcano.cfm?vn=213002).
Schmitt, A.K., Danisik, M., Aydar, E., Şen, E., Ulusoy, İ., Lovera, O.M. 2014. ‘’Identifying the Volcanic Eruption Depicted in a Neolithic Painting at Çatalhöyük, Central Anatolia, Turkey’’, Plos One, 9(1), e84711.
Ulusoy, I., Diker, C., Çubukçu, H., Şen, E., N, K., 2018. Multi-resolution thermal infrared remote sensing of Mount Hasan Stratovolcano (Central Anatolia, Turkey), in: Abstract ID: 641 for Cities on Volcanoes 10.
Sarah Brown