SMRTR Science & EngineeringMay 26, 2026Quanta Magazine

When Quiet Undersea Volcanoes Turn Disruptive

SMRTR summary

Scientists are learning that undersea volcanoes, long considered quiet and predictable, can suddenly shift into disruptive eruptions with little warning. During a 2024 research expedition near Iceland, PhD researcher Jonas Preine spotted puzzling data that pointed to unexpected volcanic activity beneath the ocean. These findings raise new concerns about seafloor eruptions and their potential to trigger tsunamis or other hazards affecting coastal communities worldwide.

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