The 'earthquake' that shook large parts of Merseyside and Southport has been confirmed as a sonic boom from an offshore testing trial.
A spokesperson for BAE confirmed to the ECHO the noise was a supersonic boom from a Typhoon aircraft that was undergoing a flight trial.
At around 11am today (February 15) people living in Ainsdale and other areas of Southport said their houses and windows began to "shake."