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November 1929 Grand Banks, Canada Images

Published by NOAA National Centers for Environmental Information | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: February 07, 2026 | Last Modified: 2012-02-01T00:00:00.000+00:00
On November 18, 1929, at 5:30 pm local time, an earthquake occurred approximately 250 km south of Newfoundland along the southern edge of the Grand Banks. The earthquake triggered a large submarine slump which ruptured 12 transatlantic cables in multiple places, and generated a tsunami. More than 40 local villages in southern Newfoundland were affected, where numerous homes, ships, businesses, livestock and fishing gear were destroyed.

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