Which seismic device was the first to be invented?

The first seismic device to be invented was the seismometer. It was invented in China in 132 AD. The device is an instrument that measures the motion of the ground due to events such as volcanic eruptions, earthquakes, and explosions.

This is called adduction

Ithink it is  c.he can store all his creations in a small space but it could be  b.he has the freedom to make mistakes.