“Was that an Earthquake? A Sonic Boom? San Diego Residents aren’t Sure – but it HAPPENED!” Tamara Quimiro June 24, 2021Articles Read the article below: https://www.cbs8.com/article/news/local/did-you-hear-or-feel-it-mystery-boom-experienced-across-san-diego-county/509-37216510-6377-4b06-a07a-d6207e58213d