Boliden
Parts of Garpenberg mine closed through 2026 after quakes
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Following a series of seismic events at the Garpenberg mine in Hedemora, Boliden announced that large parts of the mine will remain closed throughout 2026. The company expects to lose 70 percent of planned production and incur a 400 million kronor loss in the first quarter.
A magnitude 3.2 earthquake struck Boliden's Garpenberg mine at 875 meters depth on Friday morning. Underground staff were evacuated, but no one was injured and operations above ground remained unaffected.
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Five weeks after the collapse in Garpenbergsgruvan, Boliden has updated on the situation. Mining in upper Lappberget has sunk five meters and resumption is difficult. Impact expected until 2031.
A day after seismic activity halted underground production at Garpenbergsgruvan, the situation remains under control but resumption timeline is unclear. Staff continue above-ground work as inspections await safety clearance. Boliden schedules resident info meeting Wednesday.
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Production at Garpenberg mine in Hedemora has been halted after a rockfall and hundreds of subsequent mine tremors over the weekend. Several people were injured, and all employees were evacuated on Saturday. Around 500 workers are now operating above ground.