Earthquakes are measured by a seismometer, also known as a seismograph.
seismic waves
An amplifier
A seismograph
Sonar
resonator
seismic waves
Seismometer (or seismograph) and it measure seismic waves
Semogram
A Poplimuntroni
A seismometer or seismograph
Seismograph ;) (listen in your science class!)
In a stringed musical instrument, the part that vibrates in a resonance with the sound waves produced by the strings is called the sounding board.
Earthquakes generate seismic waves which can be detected with a sensitive instrument called a seismograph.It is an instrument that measures vibration in the Earth.
its called a seismograph
A special sort of ariel called a "radio telescope"
the instrument used to gather radio waves is a special dish called a parabolic dish
the ground movement caused by seismic waves