Seismometer (or seismograph) and it measure seismic waves
richter
There are two instruments, which are basically the same thing. There is the seismograph , and a more specific tool measures the waves on what is called the Richter scale. Earthquakes are given a number from one to ten, ten being the strongest. The strongest earthquake that their ever was, was measured a 9.3.
The science of earthquakes are known as seismology.
a seismograph
Seismologists
Epicentre
This instrument is a balance.
A Seismologist.
A trombone.
forceps
If all other words fail, call it a natural disaster.
A person with a criminal record