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Echinus Geyser Reawakens in Yellowstone, Then Eases After Mid-February Burst

Officials say the rare acidic geyser's behavior reflects local hydrothermal cycling tracked by temperature sensors, not increasing volcanic unrest.

Hayli Gubbi Eruption Highlights Global Risk From Hidden Volcanoes

Ancient Mantle Anomaly Beneath Appalachians Linked to Greenland Rift

Scientists Confirm Rhythmic Mantle Pulses Driving Africa’s Rift

New Model Predicts 'Stealthy' Volcano Eruptions