---
schema_version: "secwatch.filing_event.v1"
accession: "0001193125-21-262216"
form_type: "8-K"
ticker: "CNR"
cik: "0001710366"
company_name: "Core Natural Resources, Inc."
filed_at: "2021-08-31T23:59:59+00:00"
generated_at: "2026-06-29T06:48:36.424850+00:00"
event_type: "regulatory"
sentiment: "negative"
materiality_score: 0.25
calibrated_materiality_score: 0.25
confidence: "high"
source: SEC EDGAR
---

# CONSOL Energy's Enlow Fork Mine gets MSHA imminent danger order for methane

## Summary
- Order issued Aug 26, 2021 under Section 107(a) at Enlow Fork Mine in Pennsylvania.
- Methane accumulation detected inby last open crosscut; miners withdrawn, power removed.
- Company promptly addressed the accumulation; order terminated with no injuries.
- No disruption to operations or financial impact disclosed.

## SEC filing metadata
- accession: 0001193125-21-262216
- form_type: 8-K
- ticker: CNR
- cik: 0001710366
- company_name: Core Natural Resources, Inc.
- filed_at: 2021-08-31T23:59:59+00:00
- event_type: regulatory
- sentiment: negative
- materiality_score: 0.25
- calibrated_materiality_score: 0.25
- confidence: high
- sec_items: 1.04
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1710366/000119312521262216/0001193125-21-262216-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1710366/000119312521262216/d214064d8k.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001193125-21-262216
- JSON: https://secwatch.observer/filing/0001193125-21-262216.json
- Plain text: https://secwatch.observer/filing/0001193125-21-262216.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.