International Falls (trfnews.i234.me) — Residents in International Falls now know what caused a loud boom on Tuesday morning.
People across the city reported a powerful blast around 9 a.m.
Many said their homes and windows shook when the noise hit.
Some wondered if it was an explosion or even an earthquake.
Residents in International Falls reported a loud boom that shook homes on Tuesday morning.
Loud Boom Felt Across International Falls
Calls and social media posts started soon after the blast.
People from different parts of town said they felt the shock.
Some residents stepped outside to see if there was damage nearby.
Local officials began checking possible sources.
Early checks included a nearby gold mine where blasting sometimes happens.
Staff there reported no blasting at that time on Tuesday morning.
Officials Trace Noise To Canadian Rock Quarry
County officials later confirmed the source of the noise.
A rock quarry just across the Canadian border near St. Francis had carried out a major blast.
That blast happened at about 9 a.m., the same time residents heard the boom.
The force of the explosion traveled across the border area.
The sound and vibration reached homes in International Falls.
There were no reports of damage in the city.
Rock quarries and mines often use controlled blasts to break rock.
These blasts can sometimes be felt many miles away.
More details on quarry blasting practices are available from Natural Resources Canada.
Residents Reassured After Confusion
The boom confused many people on Tuesday.
Some feared the noise might be from an accident or other emergency.
County officials say there was no threat to the public.
The quarry blast was a planned industrial activity.
Officials say they will continue to review how such blasts are communicated.
They encourage residents to follow trusted local channels for updates.
More information about the area and local services can be found on the City of International Falls website and the local tourism page.
I’m Chris Harper reporting for TRF News.

