Two miners working in an underground bin excavation were attempting to level the muckpile by blowing muck down a hole at the brow. They were both tied to retractable fall restraints when the muckpile slid down the repose angle unexpectedly. One employee manually pulled his line and engaged his restraint but the second man was engulfed and suffocated by the finely broken muck.
Hecla Mining Company: 8 recorded fatalities controller
Watch this controller
Email me when a new MSHA incident is filed at any mine Hecla Mining Company controls.
HECLA MINING CO/DE/ (HL) discloses mines under this controller in its SEC Dodd-Frank Section 1503 (EX-95) mine-safety filings.
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This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.ⓘ
A Section 107(a) order removes miners from an area when an inspector finds an imminent danger. Each order is lifted once the condition is corrected, so this counts orders issued, not orders now in effect.ⓘ
Differences between proposed and paid penalties reflect both settlements and conference reductions and amounts still owed. Outstanding is the balance currently owed.ⓘ
Shares are computed over citations that carry the MSHA gravity and negligence coding; a small share of records are uncoded.ⓘ
This rate is reportable injury cases per 100 full-time-equivalent workers per year, computed as 200,000 times cases divided by MSHA operator-reported employee-hours. Cases are injuries MSHA graded degree 01 through 07; accident-only events that hurt no one are excluded, and so are contractor injuries, whose hours do not attach to a single mine. Rates begin in 2000, when quarterly employment reporting starts, and are withheld below 20,000 hours in a year.| Year | total case rate | days-away | fatal |
|---|---|---|---|
| 2026 | 2.22 | 0.93 | 0.000 |
| 2025 | 1.92 | 1.05 | 0.000 |
| 2024 | 1.98 | 0.99 | 0.000 |
| 2023 | 1.34 | 0.22 | 0.000 |
| 2022 | 1.62 | 0.32 | 0.000 |
| 2021 | 1.58 | 0.85 | 0.000 |
| 2020 | 1.54 | 0.24 | 0.000 |
| 2019 | 1.83 | 0.66 | 0.000 |
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A sample is a point in time compliance measurement, not an individual exposure history. These figures describe MSHA sampling records and do not establish causation or personal dose.Metal and nonmetal contaminants (personal samples)
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Many samples are screening measurements of substances with no applicable exposure limit; they are counted as samples but excluded from every over-limit figure. Over-limit shares use only limit-tested samples.
Last sampled: 2026-03-19
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Many samples are screening measurements of substances with no applicable exposure limit; they are counted as samples but excluded from every over-limit figure. Over-limit shares use only limit-tested samples.- Total Carbon,TC2911 over
- Total Carbon,calculated from elemental carbon.296 over
- Diesel particulate (total carbon)724 over
- Quartz, respirable, >1% Qtz444 over
Area samples (mill and shop air)
Last sampled: 2025-12-03ⓘ
Contesting a citation before the Federal Mine Safety and Health Review Commission is a lawful right. These figures state the public outcomes of that process, from MSHA's Contested Violations file.- Settled 82 · 90%
- Stood as issued 5 · 5%
- Still open 4 · 4%
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Counts a Significant & Substantial citation as surviving when a settlement or judge's decision kept the designation, or the contest was dismissed or defaulted so the citation stands as issued. Vacated and withdrawn citations, and settlements that removed the designation, count against.ⓘ
A reduction or dismissal at the Commission is a lawful outcome of contesting a proposed penalty. Figures are the proposed amount and the amount upheld in the docket's decision.| Docket | Decision | Judge | Year | Proposed / upheld |
|---|---|---|---|---|
| WEST 2013-781M | Settlement | Manning | 2014 | $225K → $162K |
| WEST 2012-986M | Prevail | Manning | 2015 | $159K → $180K |
| WEST 2016-0502 | Settlement | Bulluck | 2017 | $56K → $45K |
| WEST 2013-782M | Settlement | Manning | 2014 | $54K → $44K |
| WEST 2012-760M | Prevail | Manning | 2015 | $42K → $100K |
| WEST 2012-1406M | Settlement | Manning | 2015 | $28K → $20K |
Top causes
- FALL OF ROOF OR BACK 3 fatalities · 163 non-fatal
- SLIP OR FALL OF PERSON 2 fatalities · 273 non-fatal
- FALL OF FACE/RIB/PILLAR/SIDE/HIGHWALL 1 fatality · 90 non-fatal
- FALLING/SLIDING/ROLLING MATERIALS 1 fatality · 15 non-fatal
- EXPLODING VESSELS UNDER PRESSURE 1 fatality · 5 non-fatal
- HANDLING OF MATERIALS 569 non-fatal
Incident timeline
Operators under this controller
- Hecla Limited 606
- Hecla Greens Creek Mining Company 246
- Kentucky-Tennessee Clay Company 48
- Mwca Inc 38
- K-T Feldspar Corp 19
- Hecla Ventures Corp 11
- Klondex Gold & Silver Mining Company 9
- Rio Grande Silver, Inc. 7
- Klondex Hollister Mine Inc. 5
- Hecla Silver Valley, Inc. 4
- Klondex Aurora Mine Inc 2
- Klondex Midas Operations, Inc. 2
- Montanore Minerals Corp 2
- Red Hill Lava Products, Inc. 1
Mines on record
- Lucky Friday ID
- Hecla Greens Creek Mine AK
- Aurora NV
- Hollister Mine NV
- Fire Creek NV
- Montanore Project MT
- Midas Mine NV
- Bulldog Mine CO
- Equity Mine CO
- Star Mine ID
- SAN ACACIO PLANT CO
- Gleason Mills and Mines TN
- K-T Feldspar Plant NC
- Gibson County Mine TN
- Carroll County Mines TN
- Henry County Mines TN
- Crenshaw Mine and Plant MS
- Kentucky-Tennessee Clay Company GA
- Graves County Mines KY
- Gleason Mines TN
- K-T Clay Company SC
- Antonito Plant (Bag Plant) CO
- GROUSE CREEK UNIT ID
- Portable Screener #1 NM
- MESITA HILL CO
Fatalities under this controller
8 recordedA ground/roof fall occurred in the 6150-15 West Stope completely burying an employee under 30 feet of rock.
EXPLOSION OCCURRED INSIDE A TIRE WHILE AN EMPLOYEE WAS WELDING GUSSETS INSIDE TIRE RIM. THE ASSEMBLY FLEW BACK AND STRUCK THE VICTIM.
AN OUTBURST OCC6RRED ON THE 4900 LEVEL 105 STOPE RESULTING IN FATAL INJURIES.
A ROCK OUTBURST3OCCURRED ON 5100 LEVEL 92 RAISE PREP RESULTING IN FATAL INJURIES TO I.NAME FROM FALL-FLYING-ROCK.
A RAISE LINER W9IGHING 60,000 LBS WAS BEING LOWERED IN 4900-5100 ORE PASS.THE LINER WAS SUSPENDED ON 2 WIRE ROPES,EACH 1'' DIA.,GRIPPED BY 4 LUCKER GLAND TYPE DEVICES.SUSPENSION SYSTEM FAILED AND I.NAME WAS3STRUCK BY ONE OF THE WIRE ROPE STORAGE REELS AND WAS FATALLY INJURED.
I.NAME & I.NAME WERE WORKING ON TOP OF A BULKHEAD WHICH COVERED THE ORE PASS. I.NAME WAS CUTTING 3"X12" PLANK & I.NAME WAS CUTTING STEEL BEAM WITH A TORCH. I.NAME ASKED I.NAME TO GET A CHIPP ING HAMMER, I.NAME WALKED TOWARDS THE TOOL BOX STOPPED ON A PLANK- OR PLANKS- NOT SUPPORTED ON THE ENDS & FELL DOWN THE RISE.
A ROCKBURST OCCURED IN THE 100 STOPE 4660 LEVEL RESULTING IN FATAL INJURIES FROM FLY ROCK AND TIMBER
Where Hecla Mining Company stands on silica, penalties, and injury rate
MSHA's standard limits respirable silica to 50 micrograms per cubic metre, but MSHA publishes dust and quartz as separate files and never the silica figure itself. We derive it per sample, score it against the limit, and set the operator's injury rate against a benchmark built from the full MSHA operator record. With the 26-year penalty trail, contest posture, and fatality history. Delivered as a PDF with the underlying data as CSV.
The federal record itself stays free on this site. What costs money, and why.