when was the earthquake detector invented
The incredible earthquake detector invented nearly 2,000 years ago. (Read the article on one page) Although we still cannot accurately predict earthquakes, we have come a long way in detecting, recording, and measuring seismic shocks. Many donât realise that this process began nearly 2000 years ago, with the invention of the first seismoscope in 132 AD by a Chinese inventor called Zhang (âChangâ) Heng.