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> caused a vibration throughout the observatory.

I hope there won't be vibrations during the launch of the rocket.

The launch vibrations and their resonance frequency are accounted for in the design.

The unplanned vibrations due to this mishap was not planned for.

I understand they ran some tests and calculations after the accident and believe that the instruments are good to go.

One means you felt something else have an bad day, the other means you had a bad day.