The 1835 Concepción earthquake occurred near the neighboring cities of Concepción and Talcahuano in Chile on February 20 at 11:30 local time (15:30 UTC) and has an estimated magnitude of 8.2 M_fa or 8.1 M_l. 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.