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Uncrewed vessel returns from first volcano caldera survey in Tonga loaded with ‘astounding’ data

Aerial view of the Hunga-Tonga Hunga-Ha’apai (HT-HH) volcano, showing new multibeam depth data overlaid on a satellite image of the islands (deep depths in blue, shallow depths in red). Credit: SEA-KIT / NIWA-Nippon Foundation TESMaP survey team. SEA-KIT International’s Uncrewed Surface Vessel (USV) Maxlimer has returned from an initial survey mission inside the caldera of the Hunga-Tonga Hunga-Ha’apai (HT–HH) volcano carrying a plethora of data and imagery to fill…

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