The Quarry Blast that shook the Borderland

The Koochiching County Sheriff’s Office confirmed that Tuesday, December 9th’s loud boom across the region came from a controlled quarry blast north of Fort Frances.

Koochiching County Sheriff Perryn Hedlund says agencies on both sides of the border were initially unaware of the activity.

Weather conditions helped the shockwave travel unusually far.

Future blasts will now be reported to Emergency Management when possible.

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