Sonic boom, meteor
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The cause of a massive sonic boom over South Carolina is still a mystery as residents and US officials scramble to identify the source.
A meteor exploded just off the coast of Massachusetts, causing a loud boom, Saturday. Meteorologists have said a loud blast was likely a meteor.
The boom caused by a three-foot-wide meteorite that thousands heard over Massachusetts and parts of the northeast Saturday afternoon may have landed in Cape Cod Bay, NASA said.