Methane Leaks
Coal · Persistent

Methane emitter USA_S_422

Venting shaft in United States. Satellites have detected 8 methane plumes here since 15 Apr 2024, most recently on 7 Jun 2026.

8
Plumes
4
Plumes, last 12 months
5,007 kg/h
Largest detected rate
1,606 kg/h
Typical (median) rate
Satellite map of methane plume locations in USA_S_422
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
15 Apr 2024
Last seen
7 Jun 2026
Coordinates
39.64805, -80.41903 · Open in Google Maps (satellite)

Plume history

7 Jun 2026: 1,636 kg/h3 Jun 2026: 5,007 kg/h30 May 2026: 3,026 kg/h17 Apr 2026: 1,577 kg/h6 Aug 2025: 338 kg/h22 Jun 2025: 1,146 kg/h26 May 2025: 1,767 kg/h15 Apr 2024: 1,138 kg/h 15 Apr 2024 7 Jun 2026 5,007 kg/h
Emission rate of each detected plume over time
Detected Emission rate Likely operator
7 Jun 2026Coal 1,636 kg/h Not yet attributed View
3 Jun 2026Coal 5,007 kg/h Not yet attributed View
30 May 2026Coal 3,026 kg/h Not yet attributed View
17 Apr 2026Coal 1,577 kg/h Not yet attributed View
6 Aug 2025Coal 338 kg/h Not yet attributed View
22 Jun 2025Coal 1,146 kg/h Not yet attributed View
26 May 2025Coal 1,767 kg/h Not yet attributed View
15 Apr 2024Coal 1,138 kg/h Not yet attributed View

Authorities you can notify

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