The authorities in New Caledonia have assessed the damage caused by record rainfall at the beginning of the month at 11 million US dollars.
Some townships on the main island's east coast received up to 700 millimetres of rain in one day, causing substantial losses to agriculture in areas already hit by the aftermath of Cyclone Frida in January.
Flooding in Thio has also been blamed on the silting of the local river as a result of decades of mining.
People angry at losing their homes have been assured that dredging work will now be done.
Reports from Yate say fish died in the bay, presumably because the water lost too much salinity.