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it was important for the emperor to know when and where an earthquake hit

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Did choko invent the seismograph?

Yes, Choko did not invent the seismograph. The seismograph was invented by the Chinese polymath Zhang Heng in 132 AD during the Han Dynasty. Zhang Heng's seismograph could detect and record earthquakes from a distance.


Who was the first person to invent a seismograph?

The chinese inventor Zhang Heng. Pernounced: Jun Hun


Did the Chinese invent the seismograph?

Yes, the Chinese are credited with inventing the seismograph. It was created by the Chinese polymath Zhang Heng in 132 AD during the Han dynasty. The device could detect the direction of an earthquake and inspired the development of modern seismographs.


Who invented the siesmogram?

John Milne invented the first modern seismograph, but the first ones were invented by Chang Heng around 132 AD.


When was Hsieh Chang-heng born?

Hsieh Chang-heng was born in 1962.


Who invented the seismograph?

The first "modern" seismograph was invented by John Milne in 1880. However, Zhang Heng, a Chinese astronomer is also believed to have invented the seismograph; probably the primitive ones.


How did the seismograph of Chang Heng Works?

historians believe there was a pendulum inside and when an earthquake hit, the pendulum swung causing it to hit a lever which would cause a dragon facing the direction of the quake to drop its copper ball into the mouth of a toad below


What country invented the seismograph?

The seismograph was invented by the Chinese polymath Zhang Heng in 132 AD during the Han dynasty. Zhang Heng's seismoscope was an early version of today's seismograph, used to detect and measure earthquakes.


Who made the first seismograph?

A person named Zhang Heng is known to be the first to make a prototype of it. He came from China back in 132 AD.


What did the mathematician Zhang Heng do?

Zhang Heng invented the first seismograph and also remade the calender so that the seasons were aligned.


When was Chang heng born?

78 A.d


Which dynasty invent the seismograph?

The seismograph was invented during the Han Dynasty in ancient China. Specifically, it was created around 132 AD by the polymath Zhang Heng. This early seismograph, known as the "Houfeng Didong Yi," was designed to detect and indicate the direction of earthquakes. It marked a significant advancement in the understanding of seismic activity in ancient times.