Mining Incidents

Bear Butte Quarry Metal/Non-Metal

Kernen Construction · Surface
Miranda, Humboldt County, CA  ·  Active
MSHA Mine ID: 0405687

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Fatalities
0
Total incidents
0
Years on record
Latest incident
Compliance record
MSHA citations since 2006
64
citations
12
significant & substantial
$8,870
proposed penalties
$8,870
paid to date
Source: MSHA violations data, updated weekly.
Quarterly safety rates
Citations per million employee-hours, as reported to MSHA
Quarter Hours worked Citations S&S Per 1M hrs
2025 Q4 1,506 1 0 664.0
2025 Q3 1,661 2 1 1204.1
2025 Q2 1,413 0 0 0.0
2025 Q1 1,258 0 0 0.0
2024 Q4 2,770 0 0 0.0
2024 Q3 2,394 2 0 835.4
2024 Q2 1,348 0 0 0.0
2024 Q1 1,310 0 0 0.0
Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.

No reportable incidents on file.

MSHA has no recorded reportable accidents for this mine in the current dataset. New reports appear here within a week of being filed.