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Talk:1929 Grand Banks earthquake

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SOEST School of Ocean and Earth Science and Technology, University of Hawaiʻi at Mānoa School of Ocean and Earth Science and Technology, University of Hawaiʻi at Mānoa November 1929 Grand Banks earthquake earth quake tsunami blizzard

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Much more is necessary for disability access.

The grammar needs improvement.

Was it felt in New York City?

There should be context as to the relationship of three weeks earlier, in October.

How many tsunamis in the Atlantic?

< http://www.soest.hawaii.edu/GG/ASK/tsunamis.html >:


  • Most tsunamis are generated by shallow earthquakes in subduction zones, since those are the commonest earthquakes which distort the seafloor. The only subduction zones around the Atlantic are the Puerto Rico Trench and the Antilles subduction zone around the eastern Caribbean and the South Sandwich Trench south of South America. These subduction zones are both smaller and much less active the subduction zones that circle the Pacific, so the Atlantic has many fewer tsunamis. That doesn't mean that it doesn't have any! Tsunamis have hit Puerto Rico and the Virgin Islands half-a-dozen times in recorded history (most recently in 1918, when 32 people died). But by far the most famous Atlantic tsunami was generated by an earthquake nowhere near a subduction zone.
  • Gorringe Bank is a ridge off the coast of Portugal uplifted by the northward movement of the African Plate against the Eurasian Plate (there is convergence between the plates going on, but the closest true subduction occurs far to the east, beneath Italy). On 1 November 1755 (All Saints' Day!) a magnitude 8.6 earthquake at Gorringe Bank destroyed much of Lisbon. Minutes after the earthquake, the tsunami arrived. At least three great waves about ten meters high entered the city. The waves also raked the nearby coasts of Spain and North Africa, and did extensive damage in the Azores, Madiera, and Canary Islands. Minor damage occurred as far north as Ireland and as far west as the West Indies. Gorringe Bank remains a severe tsunami threat for Portugal, and the Portuguese are now installing seafloor pressure gauges there to get advance warning.
  • By the way, I am pleased that you asked about "earthquake-generated" tsunamis. Many people are unaware that landslides can generate tsunamis too (a landslide will suck down the sea surface behind it; the hole in the sea surface will oscillate to give a series of waves). There have been several landslide-generated tsunamis in the Atlantic. The most recent was in 1929, when glacial debris dropped at the edge of the continental shelf by the St. Lawrence River collapsed down the continental slope during the Grand Banks earthquake. That tsunami killed twenty eight people along the Burin Peninsula of Newfoundland. (There is argument about the origin of the 1929 tsunami. Some seismologists think it was generated by the slide, others argue that it was excited directly by the earthquake.)




hopiakuta Please do sign your communiqué .~~Thank You, DonFphrnqTaub Persina. 10:00, 24 August 2011 (UTC)


hopiakuta Please do sign your communiqué .~~Thank You, DonFphrnqTaub Persina. 17:00, 24 August 2011 (UTC)

Not the only recorded tsunami to affect Eastern Canada

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The sources summarised here, show that there have been other tsunami recorded along the eastern seaboard of Canada. I have therefore removed the sentence. Mikenorton (talk) 21:19, 19 December 2012 (UTC)[reply]

Errors and contradictions

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I'm seeing a bit of both with the new additions. It might help if we try to keep the text as simple as possible. Dawnseeker2000 20:51, 6 March 2016 (UTC)[reply]

I have no problem keeping simple text, I have just mainly started to edit it to expand and improve this articles quality. Please let me know if I have made a mistake should change something in the article, mention the mistakes or changed here on the talk page. I'll to get back to you as ASAP.
What I am currently working on is the different effects on the area's effected. I am taking my time to fine good soures. Like Prince Edward Island, I have some refs I could use. I'm want to make sure that it fits in with the other articels before adding them. Cheers Kyle1278 (talk) (Ctb) (log) 09:47, 7 March 2016 (UTC)[reply]
One quick thing, what do you think about merging the; Earthquake and Tsunami section be merged into one single section Earth & tsunami? I would like to add Other or something similar. I would add effects it had on other places like; US Eastern seaboard, Burmuda. Cheers Kyle1278 (talk) (Ctb) (log)
Let's start with getting something simple out of the way by fixing the Engdahl citation date Dawnseeker2000 02:22, 8 March 2016 (UTC)[reply]

The more I look the more problems I see

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Kyle1278's work is riddled with errors. Some elementary items are at fault: Some of the linked refs don't work and paper that I checked today to verify this edit did not contain the content that I was expecting. The ref details for that paper show it as a 2016 publication. It was written in 2006. This does not look good at all and we have to question any content that was added in early 2016. I'm not going to fix it, but wanted to make the community aware again. Dawnseeker2000 18:20, 15 October 2016 (UTC)[reply]

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