The discovery caused a 'seismic shift' [=a great change] in public attitudes.
a 'seismically' active region [=a region where many earthquakes occur]
(..) We'll use the mountains. We'll hit weak spots in the peaks. We could design the bomb targets in sequence using seismic data. Trigger avalanches. Block all exits, cut off their supplies. You make it impossible for them to launch (..)2015 The Hunger Games: Mockingjay - Part 2