gemsofgreece:Volcanic landscape in Nisyros, Greece. The island has a 3-to-4-kilometre (1.9 to 2
gemsofgreece:Volcanic landscape in Nisyros, Greece. The island has a 3-to-4-kilometre (1.9 to 2.5 mi) wide caldera, named Stefanos, and was formed within the past 150,000 years, with three separate eruptive stages.The volcano is currently active (but not erupting), and fumaroles are found at the craters. -- source link
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