Tags: Volcano.
Qal’eh Hasan Ali is a maar-producing volcanic field located southeast of Kerman Province Iran. The field is presumed of Holocene age though it has produced no historic eruptions. Consisting of 14 maars each of different size its most major caldera is Great Crater about 1.2 kilometres (0.75 mi) in width and 200–300 kilometres (120–190 mi) in depth.
