Deadly flash flood hits Nepal along Bhote Koshi; India offers help and alerts Bihar, UP
A flash flood triggered by a glacier collapse on the Nepal–Tibet border devastated central Nepal on 26 August 2026; PM Modi offered all possible help and the Centre put Bihar and Uttar Pradesh on alert.
Summary
A massive flash flood swept down the Bhote Koshi river from the Nepal–Tibet border early on 26 August 2026, hitting Rasuwa and districts downstream, washing away settlements and damaging about a dozen hydropower projects. The US Geological Survey said the flood was caused by a glacial collapse and debris flow, and by 4 September Nepal's disaster authority put the death toll at 1,287 across eight districts. Prime Minister Narendra Modi spoke to Nepal Prime Minister Balendra Shah, offered all possible humanitarian assistance, and the Indian Air Force lined up C-130 and C-17 relief flights from Hindon. Union Home Minister Amit Shah spoke to the Chief Ministers of Bihar and Uttar Pradesh, NDRF teams in border areas were put on high alert, and Bihar opened all 36 gates of the Gandak barrage as floodwater reached the river.
Key facts
- Date
- 26 Aug 2026 (early morning)
- River
- Bhote Koshi (Trishuli–Narayani system)
- Cause
- Glacial collapse and debris flow (USGS)
- Toll
- 1,287 bodies recovered by 4 Sep, 8 districts
- India's response
- PM call to Nepal PM Balendra Shah; IAF relief flights
- Border alert
- Bihar, UP; NDRF on alert; all 36 Gandak barrage gates opened
Practice MCQs 4 questions
The flash flood that devastated central Nepal on 26 August 2026 came down which river from the Nepal–Tibet border?
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Correct answer: B — Bhote Koshi
The flood swept down the Bhote Koshi river, which flows from Tibet into Nepal, hitting Rasuwa and districts downstream.
According to the US Geological Survey, what caused the Nepal–Tibet border flash flood of 26 August 2026?
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Correct answer: D — A glacial collapse and debris flow
The USGS confirmed the flood was caused by a glacial collapse and debris flow.
As Nepal's floodwater reached India on 26 August 2026, Bihar opened all 36 gates of which barrage?
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Correct answer: A — Gandak barrage
Bihar opened all 36 gates of the Gandak barrage as floodwater from Nepal entered the Gandak river system.
Consider the following statements about India's response to the Nepal flash flood of 26 August 2026: 1. Prime Minister Narendra Modi spoke to Nepal Prime Minister Balendra Shah and offered humanitarian assistance. 2. The Union Home Minister spoke to the Chief Ministers of Bihar and Uttar Pradesh, and NDRF teams in border areas were put on high alert. Which of the above is/are correct?
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Correct answer: C — Both 1 and 2
Both statements are correct.