Methane Leaks
Coal · Undetermined

Methane emitter USA_S_274

Venting shaft in United States. Satellites have detected 7 methane plumes here since 13 Mar 2024, most recently on 29 Nov 2025.

7
Plumes
1
Plumes, last 12 months
1,408 kg/h
Largest detected rate
1,098 kg/h
Typical (median) rate
Satellite map of methane plume locations in USA_S_274
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
13 Mar 2024
Last seen
29 Nov 2025
Coordinates
37.14466, -81.92605 · Open in Google Maps (satellite)

Plume history

29 Nov 2025: 625 kg/h2 Jun 2025: 626 kg/h2 Mar 2025: 1,408 kg/h29 Apr 2024: 1,114 kg/h18 Apr 2024: 1,083 kg/h13 Mar 2024: 1,319 kg/h 13 Mar 2024 29 Nov 2025 1,408 kg/h
Emission rate of each detected plume over time
Detected Emission rate Likely operator
29 Nov 2025Coal 625 kg/h Not yet attributed View
2 Jun 2025Coal 626 kg/h Not yet attributed View
2 Mar 2025Coal 1,408 kg/h Not yet attributed View
24 Aug 2024Coal — Not yet attributed View
29 Apr 2024Coal 1,114 kg/h Not yet attributed View
18 Apr 2024Coal 1,083 kg/h Not yet attributed View
13 Mar 2024Coal 1,319 kg/h Not yet attributed View

Authorities you can notify

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