The seismograph was important to ancient china because it could detect an earthquake and warn people so they could escape.
Perhaps the earliest seismograph was invented in China A.D. 136 by a m an named Choko.
It was created during the Han Dynasty in China....
seismograph seismograph seismograph seismograph
A seismograph as important today because it can monitor movement of the ground before an earthquake happens and it can inform people. That way you can send help fast and save many peoples lives
it was important for the emperor to know when and where an earthquake hit
China
It's important because it told the ancient Chinese which direction the earthquakes were from up to 310 miles away.
china
Perhaps the earliest seismograph was invented in China A.D. 136 by a m an named Choko.
It was originated in China in the Han Dynasty.
It was invented in china in ancient tokyo by your mother
It was created during the Han Dynasty in China....
the first seismograph had about 8 dragons on the outside of the egg shaped pot. the dragons had balls in their mouth that were pure metal. if theground shook, the ball would drop from the mouth, and go into a metal frog shaped cup.
At least three. China, America, and Japan.
when zhang heng who seismograph invented it now people now when a earthquakes
If for ancient China, (i am assuming because you said did) it is seismograph
seismograph seismograph seismograph seismograph