Methane Leaks
Oil & gas · 4 Sep 2025

Methane plume detected in Algeria

On 4 Sep 2025, the Landsat - NASA/USGS satellite saw methane escaping at about 1,138 kg/h from an oil & gas site.

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

1,138 kg/h
± 503 kg/h (UNEP uncertainty)

If it continued at this rate for 24 hours it would release about 27.3 tonnes of methane.

Detected
4 Sep 2025 · 10:08 UTC
Satellite
Landsat - NASA/USGS
Sector
Oil & gas
Wind
Plume drifting towards the W · 4.3 m/s
Coordinates
31.83805, 5.91246
Open in Google Maps (satellite)
UNEP plume ID
01c455e2-6d4a-4d5a-aac7-a47b2101f4fe

Likely operator

Sonatrach Plausible

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

Emitting site

DZA_S_265 · Gas disposal facility
24 plumes detected at this site

Status

UNEP has not recorded a notification for this plume.

Nobody has reported contacting the operator through Methane Leaks yet.

Push for action

Find the operator's contact details and send a ready-made, evidence-based email in about two minutes.

Write to the operator →

Authorities you can notify

Is this attribution wrong?

If you operate this site, or know who does, tell us. Operators get a right of reply, and corrections are reviewed within a week.

Get alerts for DZA_S_265

We'll email you when UNEP publishes new plumes here. No account needed. Unsubscribe in one click.

We only use your email to send these alerts.

Cite as: UNEP IMEO MARS plume 01c455e2-6d4a-4d5a-aac7-a47b2101f4fe, via Methane Leaks (https://www.methaneleaks.com/plume/01c455e2-6d4a-4d5a-aac7-a47b2101f4fe), accessed 4 Oct 2026.