WATCH: Experts offer their takes on what caused sonic boom in SC

COLUMBIA, S.C. (WIS) – WIS spoke with experts Friday to get their take on what caused a sonic boom heard across the Midlands on Thursday.
Ashwini Karmarker, an assistant professor at the University of South Carolina’s Department of Mechanical Engineering, sat down for an interview that can be viewed above this story.
Dr. Venkat Narayanaswamy, a professor at North Carolina State University’s Department of Mechanical and Aerospace Engineering, also offered his insight in speaking with WIS anchor Judi Gatson on Friday.
Watch his full interview below:
The United States Geological Survey (USGS) reported the sonic boom late Thursday evening, but it’s unclear what caused it.
WIS received reports from across Columbia as well as surrounding counties, and even areas outside of the viewing area, such as Darlington and Chesterfield counties.
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