seismic shift

: of, subject to, or caused by an earthquake

: of or relating to a vibration on a celestial body (such as the moon) comparable to a seismic event on earth

: having a strong or widespread impact : earthshaking

: to exchange for or replace by another : change

: to change the place, position, or direction of : move

: to make a change in (place)

: a means or device for effecting an end

: a deceitful or underhand scheme : dodge

: an effort or expedient exerted or tried in difficult circumstances : extremity