<a href="https://en.wikipedia.org/wiki/1929_Grand_Banks_earthquake" id="mw2g" rel="mw:WikiLink" title="1929 Grand Banks earthquake">Grand Banks earthquake</a>: Off the south coast of <a href="https://en.wikipedia.org/wiki/Newfoundland_(island)" id="mw2w" rel="mw:WikiLink" title="Newfoundland (island)">Newfoundland</a> in the Atlantic Ocean, a <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Richter_magnitude" id="mw3A" rel="mw:WikiLink" title="Richter magnitude">Richter magnitude</a> 7.2 submarine earthquake, centered on the  <a href="https://en.wikipedia.org/wiki/Grand_Banks_of_Newfoundland" id="mw3Q" rel="mw:WikiLink" title="Grand Banks of Newfoundland">Grand Banks</a>, breaks 12 submarine <a href="https://en.wikipedia.org/wiki/Transatlantic_telegraph_cable" id="mw3g" rel="mw:WikiLink" title="Transatlantic telegraph cable">transatlantic telegraph cables</a> and triggers a <a href="https://en.wikipedia.org/wiki/Tsunami" id="mw3w" rel="mw:WikiLink" title="Tsunami">tsunami</a> that destroys many south coast communities in the <a href="https://en.wikipedia.org/wiki/Burin_Peninsula" id="mw4A" rel="mw:WikiLink" title="Burin Peninsula">Burin Peninsula</a>.