KJV : When thou didst <06213> (8800) terrible things <03372> (8737) [which] we looked <06960> (8762) not for, thou camest down <03381> (8804), the mountains <02022> flowed down <02151> (8738) at thy presence <06440>.

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NASB : When You did awesome things which we did not expect, You came down, the mountains quaked at Your presence.

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NASB# : When You did<6213> awesome<3372> things<3372> which we did not expect<6960>, You came<3381> down<3381>, the mountains<2022> quaked<2151> at Your presence<6440>.