Category:Earthquakes of the Showa era
Earthquakes of the Shōwa era (1926-1989).
{{Category pair|Earthquakes of the Taishō era|Earthquakes of the Heisei era}}
Earthquakes of the Shōwa era (1926-1989).
{{Category pair|Earthquakes of the Taishō era|Earthquakes of the Heisei era}}