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Largest Known Landslide in Canada

When
27 April 1894
Where
Saint-Alban, Quebec, Canada
Part of
Saint-Alban, Quebec landslide of April 1894

On 27 April 1894, a landslide in Saint-Alban displaced 185 million cubic metres, creating a 40-metre deep scar covering 4.6 million square metres.

This event is recorded as Canada's largest known landslide. The displacement of rock and dirt resulted in a significant geological mark. The specific dimensions of the scar and the volume of material moved are documented as 40 metres deep and 4.6 million square metres in area.

Sources

  1. Saint-Alban, Quebec Wikipedia, revision of 2026-10-02

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.