Earthquake Classification on the basis of Human casualties

Earthquake Classification on the basis of Human casualties

(i) Moderately Hazardous Earthquakes: If deaths of human range below 50,000
due to seismic tremors e.g. Tabas earthquake of Iran 1978 A.D. (death toll 25,000).
(ii) Highly Hazardous Earthquakes: If deaths of human range between 51,000-1,00,000 due to seismic tremors e.g. in 1935, Quetta, Baluchistan, (death toll 60,000).
(iii) Most Hazardous Earthquakes: If deaths of human casualties are above 1,00,000 mark e.g., in 1976 Tang-Shan, China (death toll 7,50,000).