by Maurice Lamontagne and Stephen Halchuk
Geological Survey of Canada.

• The 1925 Charlevoix-Kamouraska earthquake (Magnitude 6.2);
• The 1929 Grand Banks (or Laurentian Slope) earthquake (Magnitude 7.2);
• The 1935 Timiskaming (or Témiscaming) earthquake (Magnitude 6.1);
• The 1944 Cornwall-Massena earthquake (Magnitude 5.8).
• The 1988 Saguenay earthquake (Magnitude 5.9).

Location Map of the five epicentres on a seismicity map for the period 1568 to 1988.   
Click one of the five earthquakes for more information



References:
Bruneau, M. and Lamontagne, M. 1994. "Damage from 20th century earthquakes in eastern Canada and seismic vulnerability of unreinforced masonry buildings". Can. J. of Civil Engineering, 21, no. 4, p. 643-662.
Drysdale, J. and Cajka, M., 1989. "Intensity Report of the November 25, 1988 Saguenay, Quebec Earthquake.". GSC Open File Report #3279.
Hodgson, E.A., 1945a. "Industrial earthquake hazards in eastern Canada." Bulletin of the Seismological Society of America, v. 35, No. 4, 151-174.
Lamontagne, M., 1991. "Les tremblements de terre au Québec". Collection Environnement et Géologie, Volume 12, Bouchard, M.A., Bérard, J. et Delisle, C.E., eds. Association professionnelle des géologues et géophysiciens du Québec
Lamontagne, M. and Bruneau, M., 1993. "Impact of Eastern Canadian Earthquakes of 1925, 1929, 1935, and 1944.". Earthquake Engineering Research Institure (EERI) slide set. 27 slides, 35 mm.
Mitchell, D., Tinawi, R. and Law, T., 1989. "The 1988 Saguenay Earthquake - A Site Visit Report.". GSC Open File Report #1999.