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NASA's Juno Captures Record Eruption on Jupiter's Moon Io

1/31/2026

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Summary

Story summary

On December 27, 2024, NASA's Juno spacecraft recorded the most powerful volcanic eruption on Jupiter's moon Io, with multiple volcanoes erupting and energy exceeding 80 trillion watts.
Researchers attribute the eruption to a network of interconnected magma chambers beneath Io's surface.
The eruption spread across about 40,400 square miles, signaling geological changes.
Future Juno flybys, including a planned encounter on March 3, 2026, will investigate these eruptions and Io's landscape.

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Story summary

On December 27, 2024, NASA's Juno spacecraft recorded the most powerful volcanic eruption on Jupiter's moon Io, with multiple volcanoes erupting and energy exceeding 80 trillion watts.
Researchers attribute the eruption to a network of interconnected magma chambers beneath Io's surface.
The eruption spread across about 40,400 square miles, signaling geological changes.
Future Juno flybys, including a planned encounter on March 3, 2026, will investigate these eruptions and Io's landscape.