Climate & Environment
A week of satellite, seismic and drone analysis has settled one thing — no lake burst above Rasuwa. The next one may not come from a lake either.
By Laxman Rawal · Aug 31, 2026
No glacial lake burst above Rasuwa on 26 August. That is the firmest conclusion from a week of satellite, seismic and drone analysis, and it matters more than it sounds. Nepal's flood-warning apparatus is built almost entirely around lakes. This disaster did…
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The reconstruction came fast, through an ad hoc international group of 50-plus scientists who convene after mountain disasters to compare satellite scenes and field data — a network described by Umesh Haritashya of the University of Dayton. Planet Labs…
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Nobody has formally attributed the collapse. Climate scientist Zeke Hausfather put it plainly: "any formal attribution of this specific collapse to climate change is premature, and single events like this are genuinely hard to attribute even after careful…
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The lesson there is not "glacial lakes are dangerous". It is that five different objects failed — a rock face, a landslide dam, a moraine-dammed lake, a pair of tiny unlisted ponds, and now a hanging glacier — and only one was a lake anybody had flagged. The…
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The honest answer is that Nepal does not know, because nobody has counted. India has started. A basin-scale inventory in npj Natural Hazards this year mapped 219 hanging glaciers in the Alaknanda basin of the Garhwal Himalaya alone — 71.7 ± 3.5…
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A security camera at Gyirong Port is stamped 10:59:53 China time — 08:44 NPT — roughly seven minutes after the seismic signal, about 14 km downstream. Seven minutes is not nothing. It is the difference between a school bell and a body count. The signal…
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What this means for you Do not let this become a general fear of Himalayan trekking. Everest, Annapurna, Manaslu and the Khumbu are unaffected and running normally; the science here concerns one slope type, not walking in Nepal. What it should change is a…
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No. Analysts are consistent: no glacial lake drained. Rock and hanging ice failed off the north face, briefly dammed the river, and the dam released. It is a different hazard class from a GLOF, which is why it appeared on none of the lake inventories.
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No, and researchers are explicit that attribution of this individual collapse is premature. Permafrost thaw weakening the ice that cements fractured bedrock, plus meltwater from an unusual pre-event snow loss, is the leading hypothesis. The broader context of…
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Because standard magnitude scales are built for earthquakes, and this was a mountain falling. USGS logged Ms 5.2, GFZ Mw 5.7, for the same signal. The disagreement is a symptom of the detection problem, not a mistake by either agency.
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Unknown for Nepal, because no basin-scale hanging-glacier inventory has been published for it. Any narrow Himalayan valley with steep ice perched on rock above it shares the geometry — a large set nobody has yet narrowed. For how fast the ice itself is…
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