1. Seismically
2. Yahoo! News
3. “The twin catastrophes struck within 24 hours in different corners of the seismically charged region, severely testing the nation's emergency response network.”
4. Relating to an earthquake or to other tremors of the Earth, such as those caused by large explosions. (Adj.)
5. The earth started shaking in a seismically way, and we knew it was an earthquake.