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it was important for the emperor to know when and where an earthquake hit
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∙ 12y ago
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Did choko invent the seismograph?
yes he did
Who invented the Seismometer?
The seismograph was not discovered, it was invented in 132 CE by Zhang Heng, but most modern seismographs are derived from a design by John Milne, James Alfred Ewing, and Thomas Gray, who worked in the late 19th century.
What measures Earth's vibrations?
seismograph seismograph seismograph seismograph
What is an instrument used to measure and record ground movements during an earthquake?
earthquakes are measured by seismic waves so scientists use a seismograph. there are a bunch of seismographs at a station and each one records the same stuff according to the p, s, and surface waves.
Which instrument does not belong in this group anemometer barometer thermometer and seismograph?
It is Seismograph!.!
Did the Chinese invent the seismograph?
Chang Heng, a Chinese scientist, invented the first seismoscope around 132 AD called the dragon jar
Who was the first person to invent a seismograph?
The chinese inventor Zhang Heng. Pernounced: Jun Hun
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.
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
Did choko invent the seismograph?
yes he did
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
When did the ancient China change?
when zhang heng who seismograph invented it now people now when a earthquakes
Who invented the seismorgraph?
The first seismograph was invented by Zhang Heng in 132. The modern seismograph was invented by John Milne, Thomas Gray, and James Alfred Ewing in 1880.
What tool did the Chinese invent to measure how big earthquakes were?
the seismograph
