Dover International Speedway officials report the track and its staff are safe and sound after a 4.1-magnitude quake shook the DE facility around 4:47 p.m. ET Thursday afternoon.
A small 4.1-magnitude natural disaster, shook DE on Thursday afternoon, the U.S. Geological Service said.
The quake was also felt in New Jersey and Long Island: There's no word yet of any injuries or damage. According to Michigan Tech, earthquakes with magnitudes between 4.0 and 4.9 are considered "light" and cause only minor damage.
The latest quake was downgraded to a magnitude 4.1 after data came in from several monitoring stations, U.S. Geological Survey geophysicist Rafael Abreu said by telephone.
The report detailed an quake that originated in DE and could be felt as far away as New York City.
The natural disaster also grazed through parts of Maryland.
Paul Caruso, a geophysicist with the USGS's natural disaster information center in Colorado, said he didn't expect any significant damage from the small quake, which he described as unusual. Carberry, who is from the West Coast, said she told co-workers, "I'm pretty sure this is an quake".
SSgt Aaron Jenne with Dover Air Force Base Public Affairs said he and others weren't sure what it was when it happened, but everyone is thankful that it wasn't worse and for it being so close there was no damage. It was hard to immediately predict if there would be aftershocks, she said. Early news about the temblor measured the severity higher, with initial reports of 4.4 and 5.1.
And did you hear about the quake over the internet before you actually felt the natural disaster? Officers were sent to check the homes, she said. It's impact included damage to the Washington Monument and National Cathedral in Washington, both of which are still undergoing repairs.