Mystery explosion heard in parts of Massachusetts, cause unclear: Report

 Residents across Massachusetts reported hearing a loud boom and feeling their homes shake on Saturday afternoon. The unexplained disturbance, occurring shortly after 2 pm, was described by many as an explosion, with vibrations strong enough to rattle homes and alarm pets. Authorities had not identified the source of the widespread event as of Saturday afternoon. Residents across Massachusetts reported hearing a loud boom and feeling their homes shake on Saturday afternoon. The unexplained disturbance, occurring shortly after 2 pm, was described by many as an explosion, with vibrations strong enough to rattle homes and alarm pets. Authorities had not identified the source of the widespread event as of Saturday afternoon.