Ключевые слова: active, activity, adventure, ash, catastrophe, crater, dangerous, disaster, erupt, erupting, eruption, etna, europe, explosion, fire, force, gas, geology, heat, hot, indonesia, java, lake, landscape, lava, loch, magma, mere, natural, night, pacaya, ranupane, rock, semeru, sicily, smoke, steam, stromboli, tourism, travel, volcanic, volcano,