NSF award 2611642 · Columbia University

RAPID: Response to the November 2025 Hayli Gubbi Eruption

Final report due

31 May 2027

in 225 days · The award ends on 31 January 2027.

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Dates this award owes

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Extension request17 Dec 2026in 60 days
award ending 2027-01-31 · Research.gov
PAPPG 24-1: “at least 45 days prior to the end date”
No-cost extension notice21 Jan 2027in 95 days
award ending 2027-01-31 · Research.gov
PAPPG 24-1: “at least ten calendar days prior to the end date”
Final report due31 May 2027in 225 days
award ending 2027-01-31 · Research.gov
PAPPG 24-1: “no later than 120-days following the end date of the award”
Project outcomes report due31 May 2027in 225 days
award ending 2027-01-31 · Research.gov
PAPPG 24-1: “no later than 120 days following the end date”
Award is closed out31 May 2027in 225 days
award ending 2027-01-31 · Research.gov
PAPPG 24-1: “financially closed out 120 days after their expiration date”

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NSF lists this award's end date as 31 January 2027.
NSF rules say the final report is due no later than 120 days after that.
So the final report is due by 31 May 2027.

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Award card

Award number: 2611642
Period of support: 1 Feb 2026 – 31 Jan 2027
Amount: $22,513
Awardee: Columbia University, NEW York, NY
Program: CESEV-Chem Evo of Earth & Volc
Directorate: GEO

Abstract

On 23 November 2025, Hayli Gubbi volcano in northern Ethiopia explosively erupted. The eruption sent ash and volcanic gases nearly 15 kilometers into the atmosphere and disrupting air traffic across large parts of the globe. Eruptions in this region are usually gentle and lava-producing. The explosive nature of this event was very unusual and poorly understood. Volcanic ash fell on nearby communities and…

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