In the wake of the Hayli Gubbi eruption
Alexander Ukhov, Sateesh Masabathini, Marianthi Pateraki, Nikolaos Papagiannopoulos, Ibrahim Hoteit · 2026
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Description
Alexander Ukhov leads a five-author team reporting a 2026 reconstruction of the Hayli Gubbi volcano eruption in the Afar region of Ethiopia. The volcano, which had no recorded eruptions in the Holocene record, exploded on 23 November 2025. Hazard assessment afterwards needs quick estimates of how much ash and sulfur dioxide were released and at what heights. The team ran the WRF-Chem atmospheric model and traced air parcels backward from TROPOMI satellite plume observations.
The trajectory-based ash source, scaled to 0.8 million tonnes, reproduced the main ash corridor. It also matched the timing of coarse particles recorded at a monitoring station in Oman. Sulfur dioxide emissions came to roughly 0.15 million tonnes, and a hand-adjusted time-height profile fit the observed plume better than the first automatic estimate. About 6 percent of the fine ash settled within 28 hours, some falling into the southern Red Sea and the Gulf of Aden.
Catalog record
| CREATOR | Alexander Ukhov, Sateesh Masabathini, Marianthi Pateraki, Nikolaos Papagiannopoulos, Ibrahim Hoteit |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 73067 |
| LICENSE | https://creativecommons.org/licenses/by/4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |