Coastal News Today | South Pacific - Uncrewed vessel returns from volcano caldera survey in Tonga loaded with 'astounding' data

A plethora of data and imagery obtained using an Uncrewed Surface Vessel (USV) is filling important gaps in scientists’ understanding of the HungaTonga Hunga-Ha’apai (HT–HH) undersea volcano in the South Pacific, the site of an eruption that began in December 2021.

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