Methane Leaks
Coal · Undetermined

Methane emitter USA_S_271

Venting shaft in United States. Satellites have detected 3 methane plumes here since 22 Apr 2024, most recently on 17 Apr 2025.

3
Plumes
0
Plumes, last 12 months
1,090 kg/h
Largest detected rate
969 kg/h
Typical (median) rate
Satellite map of methane plume locations in USA_S_271
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
22 Apr 2024
Last seen
17 Apr 2025
Coordinates
37.9031, -81.78941 · Open in Google Maps (satellite)

Plume history

17 Apr 2025: 618 kg/h2 Apr 2025: 969 kg/h22 Apr 2024: 1,090 kg/h 22 Apr 2024 17 Apr 2025 1,090 kg/h
Emission rate of each detected plume over time
Detected Emission rate Likely operator
17 Apr 2025Coal 618 kg/h Not yet attributed View
2 Apr 2025Coal 969 kg/h Not yet attributed View
22 Apr 2024Coal 1,090 kg/h Not yet attributed View

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