Earthquake Detection

In the history of the innovations surrounding earthquake study, we have to look at two things: the devices that recorded earthquake activity and the measurement systems written to help interpret that data.

• Also: For background information on earthquake detection.
• Read an online interview with Charles Richter who invented the Richter Magnitude Scale in 1935.
• Learn about the Early History of Seismometry. Photo Right: Chang Heng invented the first seismoscope called the dragon jar
• John Milne was the English seismologist and geologist who invented the first modern seismograph and promoted the building of seismological stations.
• Our prayers go to the victims of the Asian quake and tsunami.