seismic

adjective
UK /ˈsaɪzmɪk/
US /ˈsaɪzmɪk/

Seismic means about earthquakes or the strong shaking of the ground.

Scientists use seismic waves to learn what happens deep under the Earth.


OTHER MEANINGS

2. Very great or important in its effect, like a big shock.

The new law caused a seismic change in how people travel.

3. Relating to the scientific study of earthquakes and the waves they make.

The seismic station records every small movement in the ground.

4. Caused by or resulting from an earthquake.

The seismic damage to the old bridge was easy to see.