'Terrific' in the Bible

And the temple of God which is in heaven was opened; and the ark of His covenant appeared in His temple, and there were flashes of lightning, loud rumblings and peals of thunder and an earthquake and a great hailstorm.

Then I heard something like the shout of a vast multitude, and like the boom of many pounding waves, and like the roar of mighty peals of thunder, saying,“Hallelujah! For the Lord our God, the Almighty, [the Omnipotent, the Ruler of all] reigns.