1973 Veracruz earthquake
1973 CE.
Shown on the map at 18.510°, -97.030°.
The 1973 Veracruz earthquake, also known as El Terremoto de Orizaba, occurred at 3:50 a.m. local time (9:50 GMT) on August 28, 1973, with the epicenter located in the vicinity of Ciudad Serdán in the Mexican state of Puebla. It registered 7.1 on the moment magnitude scale and had a maximum perceived intensity of VIII (Severe) on the Mercalli intensity scale. The effects were felt in the states of Veracruz and Puebla in southeast Mexico.
Text from the Wikipedia article 1973 Veracruz earthquake, licensed CC BY-SA 4.0.