Caught in, under or between collapsing material or buildings
A miner died when a highwall collapsed on the excavator the miner was operating.
Onyx Sterling PitMetal/Nonmetal
Onyx Corporation · Surface
Controlled by John D Durkin
Sterling, Worcester County, MA · Active
MSHA Mine ID: 1901284
- Fatalities
- 1
- Total incidents
- 2
- Years on record
- 2024–2026
- Latest incident
- Apr 2026
Fatalities at this mine
1 recordedReportable incidents
1 on file (excluding fatalities above)2026 · 1 incident
Over-exertion (Not Elsewhere Classified)
EE had a knee injury that was exacerbated as EE was walking through the garage after putting oil canisters away in a conex box behind the garage. EE felt a tweak in EE's left knee as EE stepped. On Wednesday 4/8/26 at approx 1PM, this injury was reported to have happened at work, and that it originated while shoveling one month prior near the scalper screen.