Definitions

1. adjective

relating to or caused by earthquakes

“The seismical activity in the region made it difficult for construction to begin.”

2. adjective

having a strong and often violent impact, especially on the emotions

“Her seismical reaction to the news left her friends in shock.”

3. adjective

causing earthquakes or violent movements in the Earth

“The volcano was seismical in nature, often causing earthquakes in the surrounding area.”