Methane Leaks
Coal · Persistent

Methane emitter USA_S_502

Venting shaft in United States. Satellites have detected 9 methane plumes here since 21 Jun 2024, most recently on 7 Jun 2026.

9
Plumes
4
Plumes, last 12 months
3,694 kg/h
Largest detected rate
1,933 kg/h
Typical (median) rate
Satellite map of methane plume locations in USA_S_502
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
21 Jun 2024
Last seen
7 Jun 2026
Coordinates
39.84836, -80.33096 · Open in Google Maps (satellite)

Plume history

7 Jun 2026: 907 kg/h3 Jun 2026: 3,694 kg/h30 May 2026: 1,933 kg/h26 Oct 2025: 892 kg/h22 Jun 2025: 576 kg/h26 May 2025: 2,285 kg/h14 Mar 2025: 2,302 kg/h1 Feb 2025: 1,413 kg/h21 Jun 2024: 3,029 kg/h 21 Jun 2024 7 Jun 2026 3,694 kg/h
Emission rate of each detected plume over time
Detected Emission rate Likely operator
7 Jun 2026Coal 907 kg/h Not yet attributed View
3 Jun 2026Coal 3,694 kg/h Not yet attributed View
30 May 2026Coal 1,933 kg/h Not yet attributed View
26 Oct 2025Coal 892 kg/h Not yet attributed View
22 Jun 2025Coal 576 kg/h Not yet attributed View
26 May 2025Coal 2,285 kg/h Not yet attributed View
14 Mar 2025Coal 2,302 kg/h Not yet attributed View
1 Feb 2025Coal 1,413 kg/h Not yet attributed View
21 Jun 2024Coal 3,029 kg/h Not yet attributed View

Authorities you can notify

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