It took 15 minutes for Colley and his team to make the shirt and hang it outside his customizable apparel shop, in New York's Upper West Side neighborhood. Colley didn't advertise it on social media, and priced the shirt at $10, not expecting to turn a large profit, he says. A customer told him that the shirt had been viewed almost 2 million times on social media platform X, he adds. The shop sold roughly 1,000 earthquake shirts over 21 hours on Friday and Saturday, resulting in more than $9,800 in revenue, according to documents reviewed by CNBC Make It. Tourists stopped by because their friends had seen videos of his shop on local news channels in Italy, says Colley.

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Persons: Kerry Colley glanced, Colley, Colley didn't, —, Colley —, he's, haven't Organizations: CNBC, JPMorgan Chase Locations: United States, New York's, Italy