Methane Leaks
Coal · Not seen recently

Methane emitter USA_S_423

Venting shaft in United States. Satellites have detected 3 methane plumes here since 14 Feb 2025, most recently on 22 Jun 2025.

3
Plumes
0
Plumes, last 12 months
2,260 kg/h
Largest detected rate
1,001 kg/h
Typical (median) rate
Satellite map of methane plume locations in USA_S_423
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
22 Jun 2025
Coordinates
39.23127, -80.11792 · Open in Google Maps (satellite)

Plume history

22 Jun 2025: 927 kg/h3 Jun 2025: 2,260 kg/h14 Feb 2025: 1,001 kg/h 14 Feb 2025 22 Jun 2025 2,260 kg/h
Emission rate of each detected plume over time
Detected Emission rate Likely operator
22 Jun 2025Coal 927 kg/h Not yet attributed View
3 Jun 2025Coal 2,260 kg/h Not yet attributed View
14 Feb 2025Coal 1,001 kg/h Not yet attributed View

Authorities you can notify

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