Acts 16:27

25But about midnight Paul and Silas were praying and singing hymns to God, and the prisoners were listening to them.

26Suddenly 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 loosened.

27The jailer, being roused out of sleep and seeing the prison doors open, drew his sword and was about to kill himself, supposing that the prisoners had escaped.

28But Paul cried with a loud voice, saying, “Don’t harm yourself, for we are all here!”

29He called for lights, sprang in, fell down trembling before Paul and Silas,