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Story perspectives

Himalayan Dam Collapse Triggers Devastating Flood and Landslides

4/2/2026

44 3 Full Breakdown

Summary

Story summary

In October 2023, a portion of the rock and ice dam at South Lhonak Lake collapsed in the Himalayas, triggering a tsunami-like flood.
The flood carried stones and sediment.
It triggered landslides.
It damaged infrastructure, including a hydropower project, as the water joined the Teesta River.
Residents in Rangpo Forest, including taxi driver Dharmendra Prasad, were awakened and moved to higher ground.

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Story summary

In October 2023, a portion of the rock and ice dam at South Lhonak Lake collapsed in the Himalayas, triggering a tsunami-like flood.
The flood carried stones and sediment.
It triggered landslides.
It damaged infrastructure, including a hydropower project, as the water joined the Teesta River.
Residents in Rangpo Forest, including taxi driver Dharmendra Prasad, were awakened and moved to higher ground.