According to the Snohomish County Sheriff, the person who died was located inside the cave when it collapsed.
Shari Ireton, Director of Communications with the Snohomish County Sheriff`s Office, said warm temperatures in recent months have made the caves unstable.
“They`re essentially a frozen-over avalanche shoot sitting over a waterfall, sitting below a giant rock shoot,” Ireton said. “It`s incredibly dangerous.”
The last time someone died in the caves was 2011.
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