A geological formation that expels mud and hot water, often found in volcanic regions.

कीचड़ ज्वालामुखी

English Usage: The mud volcano erupted, pouring thick sludge into the surrounding area.

Hindi Usage: कीचड़ ज्वालामुखी फटी, चारों ओर मोटा कीचड़ बहाते हुए।