Halifax Explosion

1917 maritime disaster in Halifax, Nova Scotia, Canada

The Halifax explosion took place on December 6, 1917 when the SS Mont-Blanc, a French cargo ship loaded with explosives collided with the SS Imo, a Norwegian ship in the harbour in Halifax, Nova Scotia, Canada. 1,782 people were killed and over 9,000 people were injured.[1] This was the largest man-made explosion in history until July 1945 when the first atomic bomb blew up.[2] It is still the largest accidental explosion in history. People were said to here it from over 100km away!

Halifax Explosion
Halifax Explosion blast cloud.jpg
The pyrocumulus cloud around 15-20 seconds after the explosion
LocationHalifax, Nova Scotia, Canada
DateDecember 6, 1917
9:04:35 (AST)
Deaths1,782 (known)
Non-fatal injuries
9,000 (approximate)


  1. "The Explosion". Canadian Broadcasting Corporation. Retrieved 2014-10-13.
  2. Time: Disasters that Shook the World. New York City: Time Home Entertainment. 2012. p. 56. ISBN 978-1-60320-247-3.

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