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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

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What year was a seismograph made in?

The first seismograph was invented in 132 AD by Chinese astronomer Zhang Heng during the Han dynasty. It was a copper vessel with a pendulum mechanism that could detect and record earthquakes.


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.


How much did the seismograph cost in ancient times?

In ancient times, seismographs did not exist as we know them today. The first recorded seismoscope was created by the Chinese philosopher Zhang Heng in 132 AD, but there is no information available on its cost.


What effect did seismograph on the Chinese?

The invention of the seismograph in ancient China, attributed to Zhang Heng in 132 AD, significantly advanced the understanding of earthquakes. It allowed for the detection and recording of seismic activity, which helped in assessing the severity and origin of earthquakes. This technology not only improved disaster preparedness and response but also contributed to the development of early seismology, influencing how future generations approached the study of seismic events. Overall, the seismograph enhanced public safety and informed building practices in earthquake-prone regions.


Who invented the earliest tool for measuring earthquakes?

The earliest tool for measuring earthquakes was invented by Chinese astronomer Zhang Heng in 132 AD. He created the world's first seismoscope, a device that could detect the direction of an earthquake and the magnitude of its tremors.

Related Questions

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.


Why did Chang heng invent the seismograph?

Zhang Heng invented the seismograph to detect and measure earthquakes. He was motivated by a desire to protect people from the dangers of earthquakes by providing advance warning, allowing them to prepare and seek safety. His invention was a significant advancement in early earthquake detection and monitoring.


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.


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.


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


When did the ancient China change?

when zhang heng who seismograph invented it now people now when a earthquakes


Who was the first person to invent a seismograph?

The chinese inventor Zhang Heng. Pernounced: Jun Hun


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.