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Volcanoes & Earthquakes

Explore volcanoes, earthquakes and the movement of Earth's crust, using geological records and monitoring to understand active processes.

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Lightning flashing through the ash cloud above Galunggung volcano
EDITOR’S PICK

Why Volcanoes Produce Lightning

Inside an eruption cloud, colliding ash, ice and fragmented rock can separate electric charge until the plume discharges like a violent thunderstorm.

Sep 16, 2026 • 4 min readRead the discovery →
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Latest discoveries

New stories, explanations and research from Volcanoes & Earthquakes.

Aerial view of the San Andreas Fault crossing California’s Carrizo Plain
Earth & The Planet

How Plate Tectonics Continually Rebuilds Earth

Moving lithospheric plates create ocean floor, recycle material and deform continents. Geological records and modern measurements show how those processes fit together.

Sep 13, 2026 • 3 min read