On 18 November 1929 , a major earthquake ( known as the 1929 Grand Banks earthquake ) on the southwestern part of the Grand Banks bordering the Laurentian Channel caused an underwater landslide which resulted in extensive damage to transatlantic cables and generated a rare Atlantic tsunami that struck the south coast of Newfoundland , claiming 29 lives on the Burin Peninsula
1929 Grand Banks earthquake
1929 Grand Banks earthquake
Grand Banks of Newfoundland