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Jhon withwrop
He is known as the creator seismology. Also was the first person to study an earthquake. -
Milne suggested
Milne had suggested that a machine could be used to measure the seismic activity -
The siesmometer first used
It was first used in 1841 to record the vibrations of the ground caused by the earthquakes. -
First recording seismograph
F.cecchi builds the first recording seismograph in italy -
Mallet
Engineer and scientist Mallet went to Naples, Italy to study the after effects of a large earthquake. His work created some of the earliest theories about seismology which included the idea that earthquakes move outward from a central focal point. -
The siesmograph became international
Horizontal pendulums, used as a seismograph, recorded an earthquake in Japan from Germany. -
Where i got info from
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The richter scale
Charles created the richter scale to determine the magnitude of earthquakes using numerical values