Methane Leaks
Coal · Undetermined

Methane emitter USA_S_272

Venting shaft in United States. Satellites have detected 4 methane plumes here since 14 Feb 2025, most recently on 21 Apr 2026.

4
Plumes
2
Plumes, last 12 months
1,024 kg/h
Largest detected rate
880 kg/h
Typical (median) rate
Satellite map of methane plume locations in USA_S_272
Map imagery © Mapbox © OpenStreetMap © MaxarOpen the interactive map →
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Who likely operates it

We don't have enough evidence to name an operator for this site yet. If you know who runs it, tell us below.

What do confidence levels mean?

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Response so far

Source type
Venting shaft
UNEP notified
Not applicable
Operator responded to UNEP
Not applicable
First seen
14 Feb 2025
Last seen
21 Apr 2026
Coordinates
39.20647, -80.09503 · Open in Google Maps (satellite)

Plume history

21 Apr 2026: 943 kg/h29 Nov 2025: 818 kg/h3 Jun 2025: 1,024 kg/h14 Feb 2025: 308 kg/h 14 Feb 2025 21 Apr 2026 1,024 kg/h
Emission rate of each detected plume over time
Detected Emission rate Likely operator
21 Apr 2026Coal 943 kg/h Not yet attributed View
29 Nov 2025Coal 818 kg/h Not yet attributed View
3 Jun 2025Coal 1,024 kg/h Not yet attributed View
14 Feb 2025Coal 308 kg/h Not yet attributed View

Authorities you can notify

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