A 4.1 magnitude earthquake was recorded in Delaware Thursday afternoon.
The earthquake was said to be centered 10km east-northeast of Dover, Delaware.
The USGS reported it to be a 5.1, later revised it to a 4.4, and then updated their website to show it was 4.1.
— WeatherNation (@WeatherNation) November 30, 2017
UPDATE: Prelim. magnitude has been revised from 5.1 to 4.4: https://t.co/2sCYZ30xPt
— USGS (@USGS) November 30, 2017