‘Osi mei ai ha uike ne a’u e lahi e mafola ‘a e maka tēkina’ ni ‘o liunga ua he lahi ‘o e kolo ko Manhatan ‘i Niu’ioke. According to The Guardian, the size of the pumice raft is around 58 sq-miles and it was the result of an underwater volcano.
QUT geologist Associate Professor Scott Bryan will be studying samples of the pumice recovered by passing sailors shortly after the eruption. This 195 km2 raft extended to the horizon and consisted of a 15–30 cm thick layer of freshly erupted pumice clasts, implying a minimum estimatedvolumeof30millionm3 (Figure1).Thepumiceraftwas2daysold,anderuptedfromasubmarine caldera volcano at ca. Sailor Shannon Lenz shared footage of the phenomenon online. Drifting chiefly westward, the raft reached the Fiji Islands on the 19 September. Yachts that crossed the raft as early as 2 days post‐eruption provided an outstanding data set of raft characteristics and pristine samples. A giant pumice raft has been spotted in the Pacific Ocean, near Vava’u, Tonga. newly formed pumice raft between Tonga and Fiji in the Southwest Pacific. "Each piece of pumice is a rafting vehicle. She wrote: “We sailed through a pumice field for six to eight hours, much of the time there was no visible water. 200 m below … An Australian couple saw it first on August 17 as they were sailing a catamaran to Fiji. A HUGE floating mass of pumice rocks has been discovered by sailors as they made their way to Fiji.

Pumice is a porous volcanic rock.

The pumice raft was first spotted in the waters of Tonga in August. The pumice raft holds promises. It erupted about August 7 and was captured by satellite images. “It was like ploughing through a field. He says by that time, the raft will be "covered in a whole range of organisms of algae and barnacles and corals and crabs and snails and worms." On the 7 August 2019, a 195 km 2 raft of andesitic pumice was produced at 200 m below sea level at an unnamed submarine volcano in the Tonga Islands (Southwest Pacific Ocean).

Michael Hoult with some of the pumice he encountered sailing near Tonga. Pumice raft at sea after underwater eruption near Tonga ‘Asi ha fu’u tu’oni maka fōfō’anga ofi ‘i Tonga hili ‘eni ha mapuna ‘a ha mo’ungaafi he konga ki mu’a ‘o e māhina ni’.