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Kristen Cook

@kristencook.bsky.social

273 Following2.2k Followers

Geomorphologist with IRD, ISTerre, Université Grenoble Alpes. EGU Geomorphology Division president. Interested in extreme floods, landslides, and how mountain rivers work, mostly in the Himalaya.

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@kristencook.bsky.socialOct 11, 2026, 6:33 AM

There were multiple other pulses, with an earlier one around 25 minutes after the landslide. Seismic data from KKN station, thanks to the Department of Mines and Geology. The flow is travelling much more slowly than in the Rasuwa disaster, allowing for more evacuation.

@kristencook.bsky.socialOct 11, 2026, 6:30 AM

Another flow disaster in Nepal, just one catchment to the west of the Trishuli. This one is also caused by a landslide, but with a different mechanism - the landslide dammed the river and an outburst flood followed. Landslide was at 4:22 local time, and the largest flood pulse started around 6 am.

spectrogram of seismic data on 10 October from KKN station. background is purple to black, and a yellow spike shows a large landslide
@egu.euSep 1, 2026, 8:35 AMReposted by @kristencook.bsky.social

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@kristencook.bsky.socialAug 30, 2026, 2:26 AM

There are reports of more flooding on the Trishuli. The seismic data suggests it started around 8:45 UTC, 2:30 am Nepali time, that the flood is much smaller than the one on Wednesday, and that the flood peak has passed. We need more information to confirm if it's related to the newly formed lakes.

@kristencook.bsky.socialAug 28, 2026, 11:31 PM

A very nice peek into what we've been up to over the few days!

@kristencook.bsky.socialAug 27, 2026, 9:55 AM

Yes, checking in from France! I was in the valley several times in the past year though, so this is difficult and terrifying to see.

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