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1870 Charlevoix Earthquake
- When
- 20 October 1870
- Where
- Canadian province of Quebec (event named for the Charlevoix region)
An earthquake struck the Canadian province of Quebec on 20 October 1870. Estimates of its magnitude vary between 5.5 and 6.6.
The event occurred on 20 October 1870 in the Canadian province of Quebec. Geological Survey catalogs place the moment magnitude at 6.6 Mw, while Ebel and others calculated an intensity magnitude of 5.5–6.0, with 5.8 the best estimate. The Modified Mercalli intensity was rated X (Extreme). The legacy claim of six deaths is not supported by the supplied passages.
Sources
- 1870 Charlevoix earthquake Wikipedia, revision of 2026-08-10
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.