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Ottawa County Sheriff

Loud Explosion in Ottawa County Linked to Tannerite at Private Shooting Range

By Mary Ellen Murphy Jun 2, 2025 | 6:36 AM

Ottawa County, MI (WGHN) –  Multiple homeowners called the Ottawa County Sheriff’s Office Sunday evening to report a loud explosion. Deputies responded to the area of 40th Avenue & Leonard Street around 8:50 p.m. Fox 17 reports that officials say a shooting range on private property in the area was equipped with Tannerite, which is a brand of binary explosive targets that are used for firearms practice.

An unknown individual shot it, leading to the loud explosion. No one was hurt. Tannerite is legal in many states, including Michigan. There is no federal law that specifically bans it, but some jurisdictions do require permits for possession or use.

Officials with the Sheriff’s Office say calls about Tannerite explosions are more common during the summer months.

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