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Ugadaga Quarry: 1 reportable incident Metal/Non-Metal

Marcenco · Surface
Controlled by Frank Arriaga
Unalaska, Aleutians West County, AK  ·  Abandoned
MSHA Mine ID: 5001610

MSHA record for Ugadaga Quarry (mine ID 5001610). Fatalities, non-fatal incidents grouped by year, current operator and controller, and mine context.

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Fatalities
0
Total incidents
1
Years on record
1993
Latest incident
May 1993
Inspection activity
MSHA inspections since 2003
1
inspections on record
2
inspection hours
n/a
citations per 100 inspection hours
ⓘ This rate is recorded citations divided by MSHA inspection hours, per 100 hours. It reflects inspection effort, not mine size or production.
Rate withheld: 2 inspection hours is too few for a stable rate. A minimum of 1,000 inspection hours is required.
Source: MSHA inspections data, updated weekly.
Ownership history
  1. Wilder Construction Company 1993 to 1996
  2. Marcenco 1996 to present
Source: MSHA controller and operator history, updated weekly.
Workforce and production
Year Employees
2003 0
2000 1
Source: MSHA quarterly employment and production, updated weekly.

Ugadaga Quarry sits in Aleutians West Census Area, Alaska, where the Census mining category is 0.0% of county employment.

Local economic context
ⓘ County figures come from the US Census Bureau's American Community Survey, 5-year pooled estimates, so the 2023 vintage covers 2019 through 2023. The Census category is 'mining, quarrying, and oil and gas extraction', which is broader than MSHA jurisdiction and includes oil and gas workers no mine employs. These figures describe the surrounding county, not this mine, and are not a factor in any specific incident.
Aleutians West Census Area, Alaska · Population 5,178
0.0%
Mining share of county employment
$107,344
Median household income
Source: US Census Bureau, American Community Survey 2023 5-year estimates.
Quarterly safety rates
ⓘ Citations per million reported employee-hours. Rates begin in 2000, when MSHA's quarterly employment data starts; earlier incidents are counted but cannot be rate-adjusted. Quarters under 100,000 reported hours are greyed: too few hours for a stable rate.
Citations per million employee-hours, as reported to MSHA
Quarter Hours worked Citations S&S Per 1M hrs
2003 Q4 0 0 0
2000 Q2 9 0 0 0.0
2000 Q1 0 0 0
No fatalities recorded at this mine.

Reportable incidents

1 on file

1993 · 1 incident