What is the large depression formed by a collapsed volcano called? 👤 By The Quiz Wire 🌐 Source Geography Reference Library ✅ Fact Checked 📊 Difficulty Medium 📅 Last Updated 01 Dec 2025 A. Vent B. Crater C. Caldera D. Fissure Check Answer 💡 Explanation: A caldera forms when a volcano collapses into its emptied magma chamber. 📚 Topics: Geography Landforms 🎯 Exams: CSS GEN NTS PMS