Episode 2 of 3
Earthquake Occurrence
- When
- 20 February 1835
- Where
- Concepción
A magnitude 8.5 earthquake struck near Concepción and Talcahuano on 20 February 1835, causing widespread destruction.
The earthquake occurred at 11:30 local time on 20 February 1835. It had an estimated magnitude of 8.5 Mw. The event largely destroyed Concepción, requiring the town to be rebuilt. The rupture area was later identified as a prominent seismic gap.
Sources
- 1835 Concepción earthquake Wikipedia, revision of 2026-07-26
- Concepción, Chile Wikipedia, revision of 2026-09-10
Machine-drafted from the cited Wikipedia passages and checked by a reviewing model, not by a human editor. Every passage cites the revision it was written from; dates and places follow those passages.