🌍 World Distribution of Volcanoes 🌋

Volcanoes are not randomly scattered across the Earth. Instead, they are closely linked to weaker zones of the Earth’s crust, where tectonic activity is high. They often occur near plate boundaries and are associated with earthquakes.

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🔥 The Three Major Volcanic Belts

1️⃣ Circum-Pacific Belt – The Ring of Fire 🔥🌊

📍 Location: Encircling the Pacific Ocean
🛠️ Cause: Convergent plate boundaries (Subduction zones)
🗻 Features:
            ✔️ Home to ~75% of the world’s volcanoes
            ✔️ Includes tall volcanic mountains & explosive volcanoes
            ✔️ Most seismically active region on Earth

🌋 Notable Volcanoes:
            ✔️ Mt. Cotopaxi (Ecuador)
            ✔️ Mt. Fujiyama (Japan)
            ✔️ Mt. Shasta (USA)

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2️⃣ Mid-Continental Belt 🏔️🌍

📍 Location: Extends from Europe (Mediterranean) to Africa & Asia
🛠️ Cause: Convergent boundaries & rift zones
🗻 Features:
            ✔️ Found in Alpine mountain chains, Mediterranean Sea, & East Africa
            ✔️ Includes volcanoes in rift valleys & fault zones

🌋 Notable Volcanoes:
            ✔️ Mt. Kilimanjaro (Tanzania)
            ✔️ Mt. Meru (Tanzania)
            ✔️ Mt. Elgon (Kenya-Uganda border)

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3️⃣ Mid-Atlantic Belt 🌊🌋

📍 Location: Along the Mid-Atlantic Ridge (MOR)
🛠️ Cause: Divergent plate boundaries (Seafloor spreading)
🗻 Features:
            ✔️ Mostly underwater volcanic activity
            ✔️ Fissure eruptions creating new oceanic crust
            ✔️ Volcanic islands form when lava accumulates above sea level

🌋 Notable Volcanoes & Features:
            ✔️ Iceland’s volcanoes (e.g., Eyjafjallajökull)
            ✔️ Tristan da Cunha (South Atlantic Ocean)

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🌋 Intraplate Volcanoes

📍 Location: Found far from plate boundaries
🛠️ Cause: Not well understood, but linked to hotspots (Mantle Plumes)
🗻 Features:
            ✔️ Form shield volcanoes & lava plateaus
            ✔️ More fluid lava, less explosive eruptions

🌋 Notable Examples:
            ✔️ Hawaiian Islands (Mauna Loa, Kilauea)
            ✔️ Yellowstone Caldera (USA)
            ✔️ Réunion Island (Indian Ocean)

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🔍 Summary Table – Where Are the Volcanoes?

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🌍 Conclusion: Volcanoes & Tectonics Are Closely Linked!

Volcanoes don’t occur randomly—they follow tectonic boundaries where Earth’s crust is weak. The Ring of Fire dominates global volcanic activity, while rift zones and hotspots also contribute to shaping Earth’s surface. 🌎🔥