1979 Tumaco earthquake
1979 CE.
Shown on the map at 1.598°, -79.358°.
An earthquake occurred at 02:59 local time on 12 December 1979, with the epicenter just offshore from the border between Ecuador and Colombia, near the port city of Tumaco. With a moment magnitude of 8.2 and a maximum Mercalli intensity of IX (Violent), it triggered a major tsunami, which was responsible for most of the estimated 300–600 deaths. The hardest hit area was Colombia's Nariño Department.
Text from the Wikipedia article 1979 Tumaco earthquake, licensed CC BY-SA 4.0.