Volcanism Explained — How Do Volcanoes Form and Why Do They Erupt? | NEXT IAS In this quick GeoConcepts lesson, we explore volcanism — the powerful natural process responsible for forming volcanoes, new landforms, and even oceanic crust. Volcanoes form when heat and pressure deep inside the Earth melt the mantle, pushing magma upward through vents, especially at tectonic plate boundaries and hotspots. Depending on lava thickness and gas content, volcanoes can become shield, composite, or cinder

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If a hole were big enough to see glowing lava inside the Earth, it would need to reach tens of kilometres down. Magma is typically found 30–100 km below the surface, where temperatures exceed 1,000°C and pressure would cause any hole to collapse. Seeing such a sight would require an impossibly deep opening, highlighting how extreme Earth’s interior really is. #EarthScience #Geology #LavaGlow #PlanetInterior #Volcanism | Earth Impacts