'Big House-Shaking Boom' In Perry Hall

BALTIMORE COUNTY, MD — After a "big boom sound" was heard around eastern Baltimore County, emergency personnel said they received calls and emails asking about the cause.

"The noise originated from APG (Aberdeen Proving Ground)," the Baltimore County Police Department reported after 1 p.m. on Wednesday.

Aberdeen Proving Ground is conducting daytime and nighttime firing from 7 a.m. to midnight, which could result in noise off the military installation, according to a statement from APG.

A man who was in the Perry Farms area off Forge Road said he heard a "big house shaking boom" around 11:30 a.m.

"Anyone know what that might have been?" he posted of the noise on Perry Hall Patch. "Or was God just trying to get my attention?"

Neighbors disagreed about the origin.

• "It sounded like a big test at APG," wrote one person who reported feeling it in the Seven Courts and Klausmeier Road area.
• "I think it was a sonic boom. Here in Kingsville," another Perry Hall Patch reader wrote. "It didn't sound like APG."
• Another person also said she heard the "big boom sound" nearby. "Where my sons are in baltimore they said the house shook, I heard it but nothing moved here," she posted on Perry Hall Patch.

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