Rank
Province
Town/City
Date
#Dead
#Injured
1
Saskatchewan
Regina
June 3, 1912
28
hundreds
2
Alberta
Edmonton
July 31, 1987
27

300
3
Ontario
Windsor
June 17, 1946
17
hundreds
4 Alberta Pine Lake July 14th, 2000  11 132
5
Quebec
Valleyfield
Aug. 16, 1888
9
14
6
Ontario
Windsor
April 3, 1974
9
dozens
7
Ontario
Barrie
May 31, 1985
8
155
8
Ontario
Sudbury
Aug. 20, 1970
6
200
9
Quebec
St. Rose
June 14, 1892
6
26
10
Ontario
St. Catharines (Merriton)
Sep 26, 1898
5
dozens
11
New Brunswick
Buctouche
Aug. 6, 1879
5
10
12
Manitoba
Portage la Prairie
June 23, 1922
5
15

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