The image above, acquired on March 8 by the OLI (Operational Land Imager) on Landsat 8, shows a plume of discolored water near the undersea volcano. The plume drifted north-northeast toward Nggatokae Island. Vangunu Island, also pictured, lies about 24 kilometers (15 miles) north of Kavachi, and Papua New Guinea is about 800 kilometers (500 miles) to the west.

An Underwater Plume From Kavachi

A Landsat satellite acquired this image of discolored water drifting from the active underwater volcano. View the full story

Credits: NASA Earth Observatory images by Lauren Dauphin
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TakenMarch 8, 2024
Image CreditNASA Earth Observatory images by Lauren Dauphin
Size640x427px