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Réunion Island Lava Reaches the Sea

Earth Observatory Science Earth Observatory Réunion Island Lava Reaches… Earth Earth Observatory Image of the Day EO Explorer Topics All Topics Atmosphere Land Heat & Radiation Life on Earth Human Dimensions Natural Events Oceans Remote Sensing Technology Snow & Ice Water More Content Collections Global Maps World of Change Articles Notes from the Field Blog Earth Matters Blog Blue Marble: Next Generation EO Kids Mission: Biomes About About Us Subscribe 🛜 RSS Contact Us Search   Lava flows east in this thermal image captured by the Thermal Infrared Sensor (TIRS) on Landsat 9 on March 28, 2026. NASA Earth Observatory/Michala Garrison Located 700 kilometers (440 miles) east of Madagascar, Réunion Island is the product of a long-lived mantle hotspot on the floor of the Indian Ocean. The island first emerged above the ocean’s surface about 2 million years ago. It remains active t...

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