Satellites imaged an underwater volcano erupting — but scientists have no idea what's actually happening on the seafloor

space.com May 27, 2026

Satellites imaged an underwater volcano erupting — but scientists have no idea what’s actually happening on the seafloor

Curated by Shubham · TechCapsules · May 27, 2026

AI-summarised brief · reviewed before publication

NASA satellites have captured images of an underwater volcanic eruption in the Bismarck Sea off the coast of Papua New Guinea. The eruption, which began in early May, has produced closely spaced volcanic plumes and discolored ocean water. However, scientists are struggling to determine the exact location and size of the volcanic structure due to a lack of high-resolution maps of the seafloor. Researchers are using existing satellite imagery to analyze the ash plume, thermal events, and other features, but more data is needed to understand the eruption's impact.

💡 Why It Matters

· The underwater volcanic eruption highlights the vast knowledge gap between our understanding of the moon's surface and the deep-ocean floor.
· This disparity could inform future space exploration, as scientists consider how to create settlements on the moon and Mars, and how to study the effects of weather and introduced species on these environments.

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