Lower magnitude events are included if they have caused death, injury or damage.

Events which occurred in remote areas will be excluded from the list as they wouldn't have generated significant media interest.

Maximum intensities are indicated on the Mercalli intensity scale and are sourced from United States Geological Survey (USGS) ShakeMap data.

Both the number of large events and the death toll were substantially lower in 1973.

Russia and New Hebrides were active during the year with each country having 2 magnitude 7.0+ events.