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28 Sep 2017
John Winthrop;The Creator John Winthrop was known as the first person to study an earthquake and often called the creator of seismology.
Milne's Suggestions Milne suggested that a machine could be used to measure seismic activity.
Seisometer used. The first seismometer, as inventor David Milne called it, was used in 1841 to record the vibrations of the ground caused by earthquakes.
First time Recording data using the seisometer.
Grove Gilbert discovered earthquakes usually center around a fault line.
Horizontal pendulums, used as a seismograph, recorded an earthquake in Japan from Germany.
The first seismograph in North America is installed at Lick Observatory near San Jose, California.
A seismologist named Giuseppe Mercalli created a device to measure the intensity or likelihood of damage that may be caused by an earthquake.
1897 Seismograph was able to record the great San Fransisco Earthquake of 1906.
Andrija Mohorovii discovered a boundary between the earth's crust and mantle.
Charles Richter makes the Richter Scale to determine the magnitude of earthquakes using numerical values.
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