The earthquake of August 13 , 1868 struck near the city with an estimated magnitude of 8.0 to 9.0 Estimates on the death toll vary greatly , some estimates have the number at 25,000 to 70,000 people . Others estimate that the population of Arica was less than 3,000 people and the death toll was around 300 . It triggered a tsunami , measurable across the Pacific in Hawaii , Japan and New Zealand . As Arica lies very close to the subduction zone known as the Peru – Chile Trench where the Nazca Plate dives beneath the South American Plate , the city is subject to megathrust earthquakes
earthquake of August 13 , 1868
1868 Arica earthquake
Arica