Police and fire officials are investigating multiple reports of tremors in Stamford Thursday night and into Friday morning.
The police department said they received reports of tremors and shaking in the Turn of River Road and High Ridge Road area around 6:30 p.m.
Some residents described the noise as a series of loud explosions, causing homes to shake and even knock pictures off walls.
Then around 3:45 a.m., some residents called in more reports of shaking. Fire officials told NBC Connecticut that they received more than a dozen calls from residents.
Crews said they checked the area extensively but couldn't find anything.
"Based on thorough investigations conducted by multiple fire department units, as well as confirmations from the Tennessee Gas Pipeline and Eversource Gas, we feel confident reassuring Stamford residents that there is no ongoing threat to life or property," the fire department said in a statement.
The U.S. Geological Survey (USGS) hasn't yet reported any earthquakes in the area.
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No injuries or structural damage were reported. It's unclear what specifically caused the tremors at this time.
