The 1835 Concepción earthquake destroys Concepción, Chile.

The 1835 Concepción earthquake was an earthquake that occurred near the neighboring cities of Concepción and Talcahuano in Chile on 20 February at 11:30 local time, and had an estimated magnitude of about 8.5 M_w. The earthquake triggered a tsunami which caused the destruction of Talcahuano. A total of at least 50 people died from the effects of the earthquake and the tsunami. The earthquake caused damage from San Fernando in the north to Osorno in the south. It was felt over a still wider area from Copiapó in the north to the island of Chiloe in the south and as far west as the Juan Fernández Islands.

Concepción is a city and commune in south-central Chile, and the geographical and demographic core of the Greater Concepción metropolitan area, it is the second largest city in Chile by urban area and one of the three major conurbations in the country. It has a significant impact on domestic trade being part of the most heavily industrialized region in the country. It is the seat of the Concepción Province and the capital of the Biobío Region. It sits about 500 km south of the nation's capital, Santiago.