An Irish tsunami is 'possible' - experts This week’s earthquake in Donegal had us wondering whether Ireland needs to worry about more of the same occurring – and the answer is a resounding yes. In 1755, a powerful earthquake in Lisbon caused a tsunami in Cork. The 1755 Lisbon tsunami, as it was known, is said to have been responsible for the partial destruction of Galway's Spanish Arch, while also making an island out of Aughinish in northern Clare.
According to several sources the earthquake was followed by a tsunami that was observed as far as Cornwall (United Kingdom), Cork (Ireland)”:Another source states generally as concerning how this tsunami affected the South Coast of Ireland that “At Kinsale, at about 6pm, the sea rose suddenly 2 ft. and repeated rapidly in 4 min, this being repeated, though to a less extent, several times. Florida and the Caribbean would be hit by waves of 50 metres some 8 to 9 hours after the landslide. The earthquake lasted nine minutes and consisted of three distinct jolts. Its benefits for an informed public in such circumstances are obvious and very significant.”.In modern times, the most perceived possibility of another Tsunami affecting Ireland would appear to come from the Cumbre Vieja volcano on La Palma in the Canaries. At Waterford, the sea advanced 30 ft. along the shore, while at Ross (Co. Wexford) – perhaps this means “New Ross”???? Some contemporary references suggest the earthquake’s impact on Ireland:The large tsunami that followed consisted of multiple waves. At Carrick, at 4pm, the surface of the river Suir rose 1 ft. in 5 minutes. The greatest perpendicular height of this swell was two feet four inches. In Antigua and Barbados, as also in Norway, Sweden, Germany, Holland, Corsica, Switzerland, and Italy, tremors and slight oscillations of the ground were felt.“The agitation of lakes, rivers, and springs in Great Britain were remarkable.
Please familiarise yourself with our comments policy,More: Minor earthquake strikes Co Donegal>.Larry Donnelly: The country of my birth is broken. In Kinsale, a water surge of two feet or 0.6 metres occurred at low tide, and suddenly withdrew after four minutes.Although the contemporary documentary record is very slight, the impact of the 1755 tsunami on the coast of West Cork is remembered some ten generations later. Listen now wherever you get your podcasts,The latest Irish and international sports news for readers and members,A platform helping fund the type of in-depth journalism that the public wants to see.File photo of a seismometer catching details of the massive Indonesian earthquake in March, 2005.Image: WAYNE GLOWACKI/AP/Press Association Images,In Donegal, fault lines come in from as far away as Scotland and in the Irish Sea, near Wexford, there are fault lines coming from Anglesea.”,We can only look at previous patterns and we can see something of a similar nature has occurred before.”,This is YOUR comments community. I shall simply use a part and rather colourful quote from one Sir Charles Lyell who later described this earthquake and it’s consequences generally, as I’m specifically concerned/interested in the after effects of this 1755 Earthquake in so far as they affected this Country;(Sir Charles Lyell (14th November 1797 – 22nd February 1875) was a Scottish Lawyer and Geologist (said to be the foremost Geologist of his day) and an influence on a young Charles Darwin). EARTHQUAKES ARE QUITE common and frequent in Ireland despite the country not sitting on any major fault lines.And not only is the island susceptible to earthquakes, Ireland has been hit by tsunamis in the past – and could be again.Speaking to us, the INSN advised that not only do earthquakes occur in Ireland but that they “happen continually”.Director of the organisation Tom Blake says there are two areas in Ireland where major faulting occurs – Donegal and Wexford.This week’s earthquake in Donegal measured 2.2 on the Richter Scale and Blake advised that it was “normal” in terms of seismicity in the area.“The measure was within the standards we expect,” added Blake, who oversees five seismology stations in various parts of Ireland.More powerful earthquakes have been experienced in the Irish Sea with “bangs” measuring about magnitude 5 being relatively common. Plus of course one must factor in unforeseen occurrences which no-one can be aware of which may occur …. It is said that the movement of this earthquake was undulatory, and that it traveled at the rate of twenty miles a minute. There are theories that this was related to the 1755 Earthquake and also theories that it was not and that it was an independent occurrence.The effects of this Earthquake were to have been “felt” in Ireland – “In Cork an earthquake was felt at a quarter after noon. This came out some 80 years or so after the events of 1755 and nowhere is there any mention of either of the 1755 and 1761 Tsunamis in either the Articles relating to Kinsale or Innishannon.
Some forty minutes after the earthquake, these waves engulfed Lisbon. GSI represents Ireland in this group. At Algiers and Fez, in Africa, the agitation of the earth was equally violent, and at the distance of eight leagues from Morocco, a village, with the inhabitants to the number of about eight or ten thousand persons, together with all their cattle, were swallowed up. Tsunamite (the deposits left by a tsunami) dating from this event can be found at various locations around the coastal areas of Scotland, and are also a tourist feature in the Montrose Basin, where there is a layer of deposited sand about 0.6 metres (2 ft) thi…
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