7.4 million cubic metres of water burst a glacial lake.

West Bengal moved 12,000 people along the Sankosh River, downstream of the breach in Bhutan.

Officials said the Mo River carried the flood into the Sankosh, which forms the Assam-West Bengal boundary and rose nearly 2 feet.

An Alipurduar official reported no major damage or casualties in Kumargram, and Jalpaiguri’s rivers saw no surge.

Assam is watching Dhubri and Kokrajhar districts, where water levels were steady Friday evening.

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Economic Times
quantifies the Shintaphu Lake outburst at 7.4 million cubic metres and the two-foot Sankosh rise that drove the evacuation

Sources: Economic Times