Isaiah 64:3
"When thou didst terrible things which we looked not for, thou camest down, the mountains flowed down at thy presence."
Cross References (ranked by relevance)
And he said, Behold, I make a covenant: before all thy people I will do marvels, such as have not been done in all the earth, nor in any nation: and all the people among which thou art shall see the work of the LORD: for it is a terrible thing that I will do with thee.
Come and see the works of God: he is terrible in his doing toward the children of men.
He is thy praise, and he is thy God, that hath done for thee these great and terrible things, which thine eyes have seen.
Wondrous works in the land of Ham, and terrible things by the Red sea.
Say unto God, How terrible art thou in thy works! through the greatness of thy power shall thine enemies submit themselves unto thee.
God came from Teman, and the Holy One from mount Paran. Selah. His glory covered the heavens, and the earth was full of his praise.
He shall cut off the spirit of princes: he is terrible to the kings of the earth.
And what one nation in the earth is like thy people, even like Israel, whom God went to redeem for a people to himself, and to make him a name, and to do for you great things and terrible, for thy land, before thy people, which thou redeemedst to thee from Egypt, from the nations and their gods?
Or hath God assayed to go and take him a nation from the midst of another nation, by temptations, by signs, and by wonders, and by war, and by a mighty hand, and by a stretched out arm, and by great terrors, according to all that the LORD your God did for you in Egypt before your eyes?
The earth shook, the heavens also dropped at the presence of God: even Sinai itself was moved at the presence of God, the God of Israel.
He stood, and measured the earth: he beheld, and drove asunder the nations; and the everlasting mountains were scattered, the perpetual hills did bow: his ways are everlasting.
Oh that thou wouldest rend the heavens, that thou wouldest come down, that the mountains might flow down at thy presence,