Acts 16:26

and suddenly there was a great earthquake , so that the foundations of the prison were shaken . And immediately all the doors were opened , and everyone’s bonds were unfastened .

Suddenly there was such a violent earthquake that the foundations of the prison were shaken. At once all the prison doors flew open, and everyone`s chains came loose.

And suddenly there was a great earthquake, so that the foundations of the prison were shaken : and immediately all the doors were opened, and every one's bands were loosed.