According to district administration officials, the erosion took place between Neemati and Ahatoguree in the world's largest river island.
"Atleast 500 metre of land was washed away at Dainee village, where 14 houses went into the riverbed following heavy erosion for last couple of days," an official said.
On the other hand, 79 families were rendered homeless and are taking shelter on the embankment as erosion washed away three LP schools, two namghars (temple) and the office of the south Ahatoguree village panchayt.
According to Assam State Disaster Management Authority (ASDMA), around 10,000 people are still affected in flood in four districts across the state.
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Around 60 villages are under water in Dhemaji, Lakhimpur, Jorhat and Golaghat districts.
Over 2,000 people are taking shelter in eight relief camps in the worst-hit Dhemaji district.
Currently, Brahmaputra's tributary Dhansiri is flowing above the danger mark at Numaligarh in Golaghat.
Meanwhile, a three-year old boy was drowned in a pond in Majuli, officials said.
The kid, identified as Babu Bora son of Luhit Bora, slipped into the pond when his parents were working in the paddy field nearby.