Wednesday 9 September 2009

How to measure an earthquake

 

Italian earthquake: How to measure an earthquake

Originally, Charles Richter used information from seismographs - which measure earth movement - to work out the location and size of a tremor.

He developed a sliding scale based on the distance between an earthquake and the seismograph station where the quake was recorded and the amplitude of the largest seismic wave measured.

How to measure an earthquake - Telegraph