Methane Leaks
Oil & gas · 21 May 2026

Methane plume detected in Algeria

On 21 May 2026, the Landsat - NASA/USGS satellite saw methane escaping at about 4,872 kg/h from an oil & gas site.

Satellite map of methane plume locations in Algeria
Map imagery © Mapbox © OpenStreetMap © MaxarOpen the interactive map →

4,872 kg/h
± 2,063 kg/h (UNEP uncertainty)

If it continued at this rate for 24 hours it would release about 117 tonnes of methane.

Detected
21 May 2026 · 09:49 UTC
Satellite
Landsat - NASA/USGS
Sector
Oil & gas
Wind
Plume drifting towards the W · 6.7 m/s
Coordinates
28.19507, 9.44884
Open in Google Maps (satellite)
UNEP plume ID
7494d76a-716d-4702-8e97-874e0934d723

Likely operator

Sonatrach Plausible

State company Sonatrach operates or co-operates nearly all Algerian fields and pipelines.

Emitting site

DZA_S_291 · Flare
10 plumes detected at this site

Status

UNEP notified the government about this plume.

Nobody has reported contacting the operator through Methane Leaks yet.

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Cite as: UNEP IMEO MARS plume 7494d76a-716d-4702-8e97-874e0934d723, via Methane Leaks (https://www.methaneleaks.com/plume/7494d76a-716d-4702-8e97-874e0934d723), accessed 5 Oct 2026.