Mining Incidents

Onyx CorporationOperator

Controlled by John D Durkin
MSHA Operator ID: 0083664
Fatalities
1
Total incidents
3
Mines on record
2
Years on record
2010–2026

Safety benchmark

Recorded fatalities relative to other operators with a fatal MSHA history. Percentile is computed across the 739 operators with at least one recorded fatality.

Fatality-count percentile
0th

More recorded fatalities than 0% of operators on file.

Rank
#364of 739

Position when operators are sorted by recorded fatalities.

Vs industry mean
0.6×

Industry mean: 1.6 fatalities per fatal-history operator.

This operator
1
Industry mean
1.6
Industry median
1
Peers at similar incident volume

Methodology: percentile and rank computed across MSHA operators with at least one recorded fatality. Industry mean is the average across that same population. Peers are sampled by closest total-incident count, regardless of fatality outcome.

For counsel + compliance teams

Get an email the moment a new MSHA-reportable accident lands at any mine on file under Onyx Corporation. Useful for 105(c) defense intake, FMSHRC docket prep, and active client monitoring.

Top causes

  • FALL OF FACE/RIB/PILLAR/SIDE/HIGHWALL1 fatality
  • SLIP OR FALL OF PERSON2 non-fatal

Incident timeline

2026
1
2024
1 (1f)
2010
1

Mines on record

Fatalities under this operator

1 recorded
Caught in, under or between collapsing material or buildings

A miner died when a highwall collapsed on the excavator the miner was operating.