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.
Zhang Heng was the firts to invent the earthquake weathercock in 132 A.D.
Richard Dixon Oldham discovered seismic waves.
it was developed by.... Charles Richter
German scientist Emil Wiechert invented the seismograph around the beginning of the 20th century.
Lilly, who is a scientist, used a seismograph to determine the strength of the earthquake that had just hit Haiti.
a seismograph can find the severity of an earthquake by graphing the measures of distances and strength of an earthquake.
A seismograph.
It's called a seismograph. I just finished learning about that in Science class.
Perhaps the earliest seismograph was invented in China A.D. 136 by a m an named Choko.
the seismograph was invented in Chicago, 1800.
england
John Milne invented the seismograph in 1880
It was invented in china in ancient tokyo by your mother
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.
John Miline invented the first modern seismograph in 1880
1898
china
John
Invented the seismograph
Invented the seismograph