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When Was the Seismograph Invented?

Answer

The invention of the Seismograph dates back to the 18th century. A seismograph that used a pendulum was invented by J.A. Ewing and in 1880. The three component seismograph made a partial recording of the 1906 San Francisco earthquake.
1 Additional Answer
The seismograph is an instrument that is basically used to measure and rate the severity of earthquakes. It is said that the first seismograph was possibly created in China as early as 136 A.D.
Q&A Related to "When Was the Seismograph Invented"
There are two inventors listed for the seismograph. The first was from ancient China named Chang Heng. The more modern seismograph that we use today was invented by John Milne around
http://answers.ask.com/Science/Nature/who_invented...
The first seismographs were invented by a Chinese man, Chang Heng, in the second century around 132 A.D (After Christ) Heng's prototype considered of a cylinder with balls attached
http://wiki.answers.com/Q/What+is+the+date+that+th...
In the history of the innovations surrounding earthquake study, we have to look at two things: the devices that recorded earthquake activity and the measurement systems written to
http://inventors.about.com/od/sstartinventions/a/s...
The earliest seismoscope was invented in 132 A.D. by Chang Hêng. Seismoscopes
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Explore this Topic
The seismograph had a great deal of effects on Chinese society during the time of its invention. Such effects are the effects of educating the general public about ...
John Milne was the English seismologist, geologist and mining engineer who invented the first modern seismograph. He also promoted the building of seismological ...
Zang Heng, a scientist from the Han Dynasty invented the first seismograph in 132 AD. This is one of the earliest forecasting instruments in the world that reported ...
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