The Seventh Seal and the Seventh Trumpet and the pouring out of the Seventh Vial the same things happen.  Voices, thunderings are heard, great lightning is seen and great earthquakes take place.

         At the sounding of the Seventh Trumpet and the pouring out of the Seventh Vial there is great hail storms.

                   All refer to the same period, the End of the Week.  The Seventh Vial was from the Throne and cried "It Is Done."