1974 Lima earthquake

The 1974 Lima earthquake occurred on October 3 at 14:21 UTC (09:21 local time). It was located at about 80 km southwest of Lima, Peru. The magnitude of the earthquake was put at 8.1 , or 7.8. The earthquake caused 78 deaths and about 2400 injured. 
Background.
The intensity around Lima was generally about MM V to VII, but the maximum reached IX. Two buildings of reinforced concrete collapsed in La Molina, where the intensity was MM VIII to IX. A four-story reinforced concrete building in Callao collapsed.
The largest aftershock occurred on November 9, 1974, at 12:59 UTC (07:59 local time) with a magnitude of 7.1, or 7.1. The November 9 aftershock was located at about 25 km south of the main shock.