{"id":15000945,"date":"2020-11-01T13:59:04","date_gmt":"2020-11-01T08:29:04","guid":{"rendered":"https:\/\/entri.app\/blog\/?p=15000945"},"modified":"2021-08-24T10:13:22","modified_gmt":"2021-08-24T04:43:22","slug":"world-tsunami-day","status":"publish","type":"post","link":"https:\/\/entri.app\/blog\/world-tsunami-day\/","title":{"rendered":"World Tsunami Day 2020 &#8211; History, Theme, Activities"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_79_2 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-69d0ac05bc0bb\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-69d0ac05bc0bb\"  aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/entri.app\/blog\/world-tsunami-day\/#World_Tsunami_Day_2020_%E2%80%93_Thursday_5_November\" >World Tsunami Day 2020 &#8211; Thursday, 5 November<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/entri.app\/blog\/world-tsunami-day\/#About_Tsunami_and_its_Cause\" >About Tsunami and its Cause<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/entri.app\/blog\/world-tsunami-day\/#History_of_World_Tsunami_Day_2020\" >History of World Tsunami Day 2020<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/entri.app\/blog\/world-tsunami-day\/#World_Tsunami_Day_Theme_2020\" >World Tsunami Day Theme 2020<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/entri.app\/blog\/world-tsunami-day\/#10_Worst_Hit_Tsunami_in_History\" >10 Worst Hit Tsunami in History<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/entri.app\/blog\/world-tsunami-day\/#World_Tsunami_Day_2020_Activities\" >World Tsunami Day 2020 Activities<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/entri.app\/blog\/world-tsunami-day\/#World_Tsunami_Day_Quiz_2020\" >World Tsunami Day Quiz 2020<\/a><\/li><\/ul><\/nav><\/div>\n<p>International days are marked to educate the public on issues of concern, to address global problems and to celebrate and reinforce achievements of humanity. Each international day provides the community an opportunity to organize activities related to the theme and to create public awareness on the same. Organizations, governments, public and private sectors, schools, universities and citizens make international day a springboard for awareness raising actions. In this article let us check on World Tsunami Day 2020 &#8211; History, Activities and Quiz<\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/entri.sng.link\/Bcofz\/yv45\/8wer\" target=\"_blank\" rel=\"noopener noreferrer\">Attempt daily quiz by subscribing to Entri<\/a><\/p>\n<p style=\"text-align: center;\"><a href=\"https:\/\/entri.sng.link\/Bcofz\/yv45\/8wer\" target=\"_blank\" rel=\"noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" width=\"346\" height=\"346\" class=\"alignnone size-full wp-image-11209742\" src=\"https:\/\/entri.app\/blog\/wp-content\/uploads\/2020\/09\/GK-and-Current-affairs-quiz-banner-1.jpg\" alt=\"Tsunami Day\" srcset=\"https:\/\/entri.app\/blog\/wp-content\/uploads\/2020\/09\/GK-and-Current-affairs-quiz-banner-1.jpg 346w, https:\/\/entri.app\/blog\/wp-content\/uploads\/2020\/09\/GK-and-Current-affairs-quiz-banner-1-300x300.jpg 300w, https:\/\/entri.app\/blog\/wp-content\/uploads\/2020\/09\/GK-and-Current-affairs-quiz-banner-1-150x150.jpg 150w, https:\/\/entri.app\/blog\/wp-content\/uploads\/2020\/09\/GK-and-Current-affairs-quiz-banner-1-75x75.jpg 75w\" sizes=\"auto, (max-width: 346px) 100vw, 346px\" \/><\/a><\/p>\n<h2><span class=\"ez-toc-section\" id=\"World_Tsunami_Day_2020_%E2%80%93_Thursday_5_November\"><\/span><strong>World Tsunami Day 2020 &#8211; Thursday, 5 November<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>In this article readers can get a glimpse on<\/p>\n<ul>\n<li>What is Tsunami and what are its causes<\/li>\n<li>History of World Tsunami Day 2020<\/li>\n<li>Theme of World Tsunami Day 2020<\/li>\n<li>Ten Worst\u00a0 hit Tsunami in History<\/li>\n<li>Activities that can be observed on World Tsunami Day 2020<\/li>\n<li>World Tsunami Day 2020 Quiz<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"About_Tsunami_and_its_Cause\"><\/span><strong>About Tsunami and its Cause<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The word &#8220;tsunami&#8221; comprises the Japanese words &#8220;tsu&#8221; (meaning harbour) and &#8220;nami&#8221; (meaning wave). A tsunami is a series of enormous waves created by an underwater disturbance usually associated with earthquakes occurring below or near the ocean. Volcanic eruptions, submarine landslides, and coastal rock falls can also generate a tsunami, as can a large asteroid impacting the ocean. They originate from a vertical movement of the sea floor with the consequent displacement of water mass.<\/p>\n<p>Tsunami waves often look like walls of water and can attack the shoreline and be dangerous for hours, with waves coming every 5 to 60 minutes. The first wave may not be the largest, and often it is the 2nd, 3rd, 4th or even later waves that are the biggest.<\/p>\n<h4>What are the causes of tsunamis?<\/h4>\n<p><strong>Earthquakes<\/strong><\/p>\n<p>All earthquakes do not cause tsunamis. There are four conditions necessary for an earthquake to cause a tsunami:<\/p>\n<ul>\n<li>The earthquake must occur beneath the ocean or cause material to slide into the ocean.<\/li>\n<li>The earthquake must be strong, at least magnitude6.5 on the Richter Scale<\/li>\n<li>The earthquake must rupture the Earth\u2019s surface and it must occur at shallow depth \u2013 less than 70km below the surface of the Earth.<\/li>\n<li>The earthquake must cause vertical movement of the sea floor (up to several metres).<\/li>\n<\/ul>\n<p><strong>Landslides<\/strong><\/p>\n<p>A landslide which occurs along the coast can force large amounts of water into the sea, disturbing the water and generate a tsunami. Underwater landslides can also result in tsunamis when the material loosened by the landslide moves violently, pushing the water in front of it.<\/p>\n<p><strong>Volcanic eruptions<\/strong><\/p>\n<p>Although relatively infrequent, violent volcanic eruptions also represent impulsive disturbances, which can displace a great volume of water and generate extremely destructive tsunami waves in the immediate source area. One of the largest and most destructive tsunamis ever recorded was generated in August 26, 1883 after the explosion and collapse of the volcano of Krakatoa (Krakatau), in Indonesia.<\/p>\n<p><strong>Extraterrestrial collisions<\/strong><\/p>\n<p>Tsunamis caused by extraterrestrial collision (i.e. asteroids, meteors) are an extremely rare occurrence. Although no meteor\/asteroid-induced tsunamis have been recorded in recent history, scientists realize that if these celestial bodies should strike the ocean, a large volume of water would undoubtedly be displaced to cause a tsunami.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"History_of_World_Tsunami_Day_2020\"><\/span><strong>History of World Tsunami Day 2020<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>In December 2015, the UN General Assembly\u00a0designated 5 November as World Tsunami Awareness Day, calling on countries, international bodies and civil society to raise tsunami awareness and share innovative approaches to risk reduction. Tsunamis are among the most devastating natural disasters. Coastal communities\u00a0 often concentrated in low-lying and highly populated areas are the most potentially vulnerable to coastal hazards like tsunamis, with heavy human and economic losses. International cooperation is key for deeper political and public understanding as well as involvement in reducing our risks from these coastal natural hazards.<\/p>\n<p>The\u00a0Intergovernmental Oceanographic Commission (IOC)\u00a0of UNESCO works to coordinate national and regional tsunami early warning services, raising global awareness about effective actions, policies and practices to reduce exposure to disaster risk through its four Tsunami Warning and Mitigation Systems for the Pacific, Indian Ocean, Caribbean, and North-Eastern Atlantic, Mediterranean and Connected Sea regions. The IOC also assists Member States through education programmes and regular tsunami communication and evacuation exercises, increasing the coordination, readiness for and understanding of tsunamis among citizens and communities around the world.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"World_Tsunami_Day_Theme_2020\"><\/span><strong>World Tsunami Day Theme 2020<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ul>\n<li>In 2020, World Tsunami Awareness Day encourages the development of national and community-level, local\u00a0disaster risk reduction\u00a0strategies to save more lives against\u00a0disasters. This year&#8217;s observance promotes &#8220;Sendai Seven Campaign,\u201d<\/li>\n<li><span class=\"hgKElc\">The theme of the world tsunami awareness day\u00a0 2020 was &#8220;Sendai Seven Campaign&#8221;. This theme focused on reducing disaster\u00a0damage to critical\u00a0infrastructure\u00a0and the\u00a0disruption\u00a0of basic services.<\/span><\/li>\n<li>World Tsunami Awareness Day 2018 theme was &#8220;Reducing Human and Economic Impacts from Tsunamis&#8221;<\/li>\n<li>World Tsunami Awareness Day 2017\u00a0 theme was &#8216;Reduce the Number of Affected People&#8217;.<\/li>\n<li>World Tsunami Awareness Day 2016\u00a0 theme was &#8220;The debut World Tsunami\u00a0Awareness\u00a0Day focuses on education and evacuation drills&#8221;. Tsunamis\u00a0will also be a major\u00a0theme\u00a0of the annual\u00a0International Day\u00a0for Disaster Reduction on 13 October, centred on the first of the Sendai Framework&#8217;s seven targets: reducing mortality.<\/li>\n<li>In December 2015, the UN General Assembly designated 5 November as World Tsunami Awareness Day, calling on countries, international bodies and civil society to raise tsunami awareness and share innovative approaches to risk reduction.<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"10_Worst_Hit_Tsunami_in_History\"><\/span><strong>10 Worst Hit Tsunami in History<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Following are few worst hit tsunami in History.<\/p>\n<p>1. Sumatra, Indonesia \u2013 26 December 2004<\/p>\n<p>2. North Pacific Coast, Japan \u2013 11 March 2011<\/p>\n<p>3. Lisbon, Portugal \u2013 1 November 1755<\/p>\n<p>4.\u00a0Krakatau, Indonesia \u2013 27 August 1883<\/p>\n<p>5.\u00a0Enshunada Sea, Japan \u2013 20 September 1498<\/p>\n<p>6. Nankaido, Japan \u2013 28 October 1707<\/p>\n<p>7.\u00a0Sanriku, Japan \u2013 15 June 1896<\/p>\n<p>8.\u00a0Northern Chile \u2013 13 August 1868<\/p>\n<p>9.\u00a0Ryuku Islands, Japan \u2013 24 April 1771<\/p>\n<p>10. Ise Bay, Japan \u2013 18 January 1586<\/p>\n<p>Here is a list of the most destructive tsunamis ever recorded in modern times:<\/p>\n<ul>\n<li>Sunda Strait, Indonesia 2018: Java and Sumatra, Indonesia<\/li>\n<li>Palu, Sulawesi, Indonesia 2018: Palu bay, Indonesia<\/li>\n<li>Sendai, Japan 2011: Japan and other countries<\/li>\n<li>Maule, Chile 2010: Chile and other countries<\/li>\n<li>Sumatra, Indonesia 2004: Indonesia, Thailand, Sri Lanka, Maldives and other countries<\/li>\n<li>Valdivia, Chile 1960: Chile, Hawaii, Japan, Philippines and other countries<\/li>\n<li>Lisbon, Portugal 1755: Portugal, Spain, Marocco, North Africa and other countries<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"World_Tsunami_Day_2020_Activities\"><\/span><strong>World Tsunami Day 2020 Activities<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The activities that can be conducted as a part of observation of world tsunami day are mentioned below<\/p>\n<ul>\n<li>Conduct awareness session in the society<\/li>\n<li>Educate people on tsunami and its effect<\/li>\n<li>Conduct quiz and surveys to check their knowledge on the same<\/li>\n<li>plan and execute evacuation drills at community, schools and institutions to help the people be aware on what has to be done thus helping in risk reduction<\/li>\n<li>Disaster management session has to be conducted at institutions and community<\/li>\n<li>Support organisations that help people during disaster<\/li>\n<li>Join as volunteers in disaster management sector of your society<\/li>\n<li>Help in fund raising to help the victims of Tsunami<\/li>\n<\/ul>\n<h2><span class=\"ez-toc-section\" id=\"World_Tsunami_Day_Quiz_2020\"><\/span><strong>World Tsunami Day Quiz 2020<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<div class=\"question-number-prompt-container question-number-prompt-container--null\">\n<div class=\"question-prompt\">\n<div class=\"isite-content\">\n<div>\n<p data-reactid=\".1gpk4bh46l2.0.0.0.1:3.0.2.$0.0.1.0.0.$0.$0\"><strong>1. What does the word tsunami mean?<\/strong><\/p>\n<\/div>\n<div>A) Harbour wave<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"radio-question\">\n<div class=\"radio-answer\">\n<div class=\"isite-content\">\n<div>B) Big wave<\/div>\n<div>C)Destructive wave<\/div>\n<\/div>\n<div><strong>Ans: A)<\/strong><\/div>\n<\/div>\n<\/div>\n<div><\/div>\n<div>\n<p><strong>2. What is usually the cause of a tsunami?<\/strong><\/p>\n<div class=\"question-number-prompt-container question-number-prompt-container--null\">\n<div class=\"question-prompt\">\n<div class=\"isite-content\">\n<div>A) A hurricane<\/div>\n<div>B) A volcano<\/div>\n<div>C) An earthquake<\/div>\n<div><strong>Ans: C)<\/strong><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div><\/div>\n<div>\n<p><strong>3. What type of plate margin was involved with the Indian Ocean tsunami of 2004?<\/strong><\/p>\n<div class=\"question-number-prompt-container question-number-prompt-container--null\">\n<div class=\"question-prompt\">\n<div class=\"isite-content\">\n<div>A) Constructive<\/div>\n<div>B) Destructive<\/div>\n<div>C) Conservative<\/div>\n<div><strong>Ans: B)<\/strong><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div><\/div>\n<div>\n<p><strong>4. What is the main cause of tsunamis?<\/strong><\/p>\n<div class=\"multipleChoiceSimple-answers\">\n<div class=\"multipleChoiceSimple-answer multipleChoiceSimple-answer--correct\"><span class=\"multipleChoiceSimple-answer-label\">A) <\/span><span class=\"multipleChoiceSimple-answer-text\">Underwater earthquakes<\/span><\/div>\n<div class=\"multipleChoiceSimple-answer multipleChoiceSimple-answer--incorrect\"><span class=\"multipleChoiceSimple-answer-label\">B) <\/span><span class=\"multipleChoiceSimple-answer-text\">Volcanic eruptions<\/span><\/div>\n<div class=\"multipleChoiceSimple-answer multipleChoiceSimple-answer--incorrect\"><span class=\"multipleChoiceSimple-answer-label\">C) <\/span><span class=\"multipleChoiceSimple-answer-text\">Landslides<\/span><\/div>\n<div><strong>Ans: A)<\/strong><\/div>\n<\/div>\n<\/div>\n<div><\/div>\n<div>\n<p><strong>5. What is the wavelength of a tsunami?<\/strong><\/p>\n<div class=\"multipleChoiceSimple-answers\">\n<div class=\"multipleChoiceSimple-answer multipleChoiceSimple-answer--incorrect\"><span class=\"multipleChoiceSimple-answer-label\">A) <\/span><span class=\"multipleChoiceSimple-answer-text\">The time it takes for the wave to pass a certain point<\/span><\/div>\n<div class=\"multipleChoiceSimple-answer multipleChoiceSimple-answer--incorrect\"><span class=\"multipleChoiceSimple-answer-label\">B) <\/span><span class=\"multipleChoiceSimple-answer-text\">The distance between the source of the tsunami and the shore<\/span><\/div>\n<div class=\"multipleChoiceSimple-answer multipleChoiceSimple-answer--correct\"><span class=\"multipleChoiceSimple-answer-label\">C) <\/span><span class=\"multipleChoiceSimple-answer-text\">The distance between peak to peak or trough to trough of the wave<\/span><\/div>\n<div><strong>Ans: C)<\/strong><\/div>\n<\/div>\n<\/div>\n<div><\/div>\n<div>\n<p><strong>6. What is the main factor determining the speed and size of a tsunami once it has been generated?<\/strong><\/p>\n<div class=\"multipleChoiceSimple-answers\">\n<div class=\"multipleChoiceSimple-answer multipleChoiceSimple-answer--incorrect\"><span class=\"multipleChoiceSimple-answer-label\">A) <\/span><span class=\"multipleChoiceSimple-answer-text\">The wind<\/span><\/div>\n<div class=\"multipleChoiceSimple-answer multipleChoiceSimple-answer--correct\"><span class=\"multipleChoiceSimple-answer-label\">B) <\/span><span class=\"multipleChoiceSimple-answer-text\">Water depth<\/span><\/div>\n<div class=\"multipleChoiceSimple-answer multipleChoiceSimple-answer--incorrect\"><span class=\"multipleChoiceSimple-answer-label\">C) <\/span><span class=\"multipleChoiceSimple-answer-text\">The tides<\/span><\/div>\n<div><strong>Ans: B)<\/strong><\/div>\n<\/div>\n<\/div>\n<div><\/div>\n<div>\n<p><strong>7. What is the biggest tsunami on record?<\/strong><\/p>\n<div class=\"multipleChoiceSimple-answers\">\n<div class=\"multipleChoiceSimple-answer multipleChoiceSimple-answer--incorrect\"><span class=\"multipleChoiceSimple-answer-label\">A) <\/span><span class=\"multipleChoiceSimple-answer-text\">The 2011 Tohoku tsunami in Japan<\/span><\/div>\n<div class=\"multipleChoiceSimple-answer multipleChoiceSimple-answer--incorrect\"><span class=\"multipleChoiceSimple-answer-label\">B) <\/span><span class=\"multipleChoiceSimple-answer-text\">The 2004 Indian Ocean Tsunami<\/span><\/div>\n<div class=\"multipleChoiceSimple-answer multipleChoiceSimple-answer--correct\"><span class=\"multipleChoiceSimple-answer-label\">C) <\/span><span class=\"multipleChoiceSimple-answer-text\">The 1958 Lituya Bay tsunami in Alaska<\/span><\/div>\n<div><strong>Ans: C)<\/strong><\/div>\n<\/div>\n<\/div>\n<div><\/div>\n<div>\n<p><strong>8. The 2004 Indian Ocean tsunami resulted in a tragic loss of how many lives?<\/strong><\/p>\n<div class=\"multipleChoiceSimple-answers\">\n<div class=\"multipleChoiceSimple-answer multipleChoiceSimple-answer--incorrect\"><span class=\"multipleChoiceSimple-answer-label\">A) <\/span><span class=\"multipleChoiceSimple-answer-text\">Around 100,000<\/span><\/div>\n<div class=\"multipleChoiceSimple-answer multipleChoiceSimple-answer--incorrect\"><span class=\"multipleChoiceSimple-answer-label\">B) <\/span><span class=\"multipleChoiceSimple-answer-text\">Around 50,000<\/span><\/div>\n<div class=\"multipleChoiceSimple-answer multipleChoiceSimple-answer--correct\"><span class=\"multipleChoiceSimple-answer-label\">C) <\/span><span class=\"multipleChoiceSimple-answer-text\">Around 200,000<\/span><\/div>\n<div class=\"multipleChoiceSimple-answer multipleChoiceSimple-answer--incorrect\"><span class=\"multipleChoiceSimple-answer-label\">D) <\/span><span class=\"multipleChoiceSimple-answer-text\">Around 10,000<\/span><\/div>\n<div><strong>Ans: C)<\/strong><\/div>\n<\/div>\n<\/div>\n<div><\/div>\n<div>\n<p><strong>9. What is the longest period of time waves from a tsunami can affect a coastal area?<\/strong><\/p>\n<div class=\"multipleChoiceSimple-answers\">\n<div class=\"multipleChoiceSimple-answer multipleChoiceSimple-answer--incorrect\"><span class=\"multipleChoiceSimple-answer-label\">A) <\/span><span class=\"multipleChoiceSimple-answer-text\">1 hour<\/span><\/div>\n<div class=\"multipleChoiceSimple-answer multipleChoiceSimple-answer--incorrect\"><span class=\"multipleChoiceSimple-answer-label\">B) <\/span><span class=\"multipleChoiceSimple-answer-text\">12 hours<\/span><\/div>\n<div class=\"multipleChoiceSimple-answer multipleChoiceSimple-answer--correct\"><span class=\"multipleChoiceSimple-answer-label\">C) <\/span><span class=\"multipleChoiceSimple-answer-text\">One or more days<\/span><\/div>\n<div><strong>Ans: C)<\/strong><\/div>\n<\/div>\n<\/div>\n<div><\/div>\n<div><strong>10. The wave height of a tsunami is typically less than<\/strong><br \/>\nA) 0.1 m<br \/>\nB)\u00a0 0.2 m<br \/>\nC) 1 m<br \/>\nD) 0.5 m<br \/>\nE) 0. 3 m<\/div>\n<div><strong>Ans: C)<\/strong><\/div>\n<div><\/div>\n<div><strong>11. During a tsunami a series of waves radiating outward from a central disturbance of the sea<\/strong><br \/>\n<strong>floor is called a<\/strong><br \/>\nA) Ocean storm<br \/>\nB) Wind-generated disturbance<br \/>\nC) Wave train<br \/>\nD) Wavelets<br \/>\nE) None of the above<\/div>\n<div><strong>Ans: C)<\/strong><\/div>\n<div><\/div>\n<div><strong>12. 25. As a tsunami approaches shallow water which of the following set of transformations<\/strong><br \/>\n<strong>occur?<\/strong><br \/>\nA) Wavelength increases, wave period decreases, and wave height stays the same<br \/>\nB) Wavelength decreases, wave period decreases, and wave height increases<br \/>\nC) Wavelength decreases, wave period increases, and wave height increases<br \/>\nD) Wavelength decreases, waver period stays the same, and wave height increases<\/div>\n<div><strong>Ans: D)<\/strong><\/div>\n<div><strong>13. If the average depth of the oceans is 3500 meters, then what would the speed of a tsunami<\/strong><br \/>\n<strong>be in such open ocean conditions?<\/strong><br \/>\nA) 300 km\/hour<br \/>\nB) 400 km\/hour<br \/>\nC) 667 km\/hour<br \/>\nD) 500 km\/hour<br \/>\nE) 600 km\/hour<\/div>\n<div><strong>Ans: C)<\/strong><\/div>\n<div><\/div>\n<div><strong>14. Just prior to a tsunami coming ashore, sea level appears to fall quickly. This phenomenon is<\/strong><br \/>\n<strong>called<\/strong><br \/>\nA) Sea level drop<br \/>\nB)\u00a0 Draw fall<br \/>\nC)\u00a0 Drawdown<br \/>\nD) Dip in sea level<br \/>\nE) None of the above<\/div>\n<div><strong>Ans: C<\/strong><\/div>\n<div><\/div>\n<div><strong>15. If the seafloor is suddenly displaced upward, then what happens to the sea surface?<\/strong><br \/>\nA) It will subside<br \/>\nB) It will remain unchanged<br \/>\nC) It will momentarily rise<\/div>\n<div><strong>Ans: C)<\/strong><\/div>\n<div><\/div>\n<div><strong>16. When the stress exceeds the resistance to shearing along the locked interface between two<\/strong><br \/>\n<strong>converging plates, what will happen?<\/strong><br \/>\nA) The seafloor will suddenly subside<br \/>\nB) The seafloor will suddenly be driven upward<br \/>\nC) The seafloor will slide passively in a lateral direction parallel to the strike of the<br \/>\ninterface<br \/>\nD) Nothing will happen<\/div>\n<div><strong>Ans: B)<\/strong><\/div>\n<div><\/div>\n<div><strong>17. In what year did the Boxing Day tsunami occur in the Indian Ocean?<\/strong><br \/>\na. 1999<br \/>\nb. 2004<br \/>\nc. 2010<br \/>\nd. 2007<\/div>\n<div><strong>Ans: B)<\/strong><\/div>\n<div><\/div>\n<div><strong>18. What do tsunami look like in the open sea?<\/strong><br \/>\na. Hardly noticeable waves<br \/>\nb. Small cresting waves<br \/>\nc. Huge cresting waves<br \/>\nd. Huge non\u2010cresting waves<\/div>\n<div><strong>Ans: A)<\/strong><\/div>\n<div><\/div>\n<div><strong>19. Which island in Western Samoa suffered the most damage when the tsunami struck on 29 September 2009?<\/strong><br \/>\na. Apia<br \/>\nb. Upolu<br \/>\nc. Savaii<br \/>\nd. Stewart Island<\/div>\n<div><strong>Ans: B)<\/strong><\/div>\n<div><\/div>\n<div><strong>20. Most major tsunamis are generated by earthquakes along<\/strong><br \/>\na. Divergent margins<br \/>\nb. Convergent margins<br \/>\nc. Transform margins<\/div>\n<div><strong>Ans: B)<\/strong><\/div>\n<div><\/div>\n<div><a href=\"https:\/\/entri.app\/blog\/united-nations-day\/\" target=\"_blank\" rel=\"noopener noreferrer\">Click here for United Nations Quiz<\/a><\/div>\n<div><\/div>\n<h4><strong>How Entri will help you with the preparation for Competitive Examinations<\/strong><\/h4>\n<div class=\"listicle-detail\">\n<ul>\n<li>Entri Provides you an online platform to prepare for the exam<\/li>\n<li>You can download the app free of cost and join the class<\/li>\n<li>Entri provides video classes as well on various important topics by the excellent faculties<\/li>\n<li>Entri provides revision modules, monthly tests based on the classes<\/li>\n<li>Entri provides an excellent platform with full- length mock tests including previous year question papers<\/li>\n<li>It also gives you access to clarify your doubts<\/li>\n<\/ul>\n<p>Attempt the following Quiz by Entri to boost your score in the examination<\/p>\n<ul>\n<li><a href=\"https:\/\/entri.app\/blog\/world-mental-health-day\/\" target=\"_blank\" rel=\"noopener noreferrer\">World Mental Health day quiz<\/a><\/li>\n<li><a href=\"https:\/\/entri.app\/blog\/international-day-of-girl-child\/\" target=\"_blank\" rel=\"noopener noreferrer\">International day of Girl Child quiz<\/a><\/li>\n<li><a href=\"https:\/\/entri.app\/blog\/indian-air-force-day\/\" target=\"_blank\" rel=\"noopener noreferrer\">Indian Air force quiz<\/a><\/li>\n<li><a href=\"https:\/\/entri.app\/blog\/modern-agriculture-and-its-impact-on-environment\/\" target=\"_blank\" rel=\"noopener noreferrer\">Modern Agriculture quiz<\/a><\/li>\n<li><a href=\"https:\/\/entri.app\/blog\/world-animal-welfare-day\/\" target=\"_blank\" rel=\"noopener noreferrer\">World Animal Welfare day quiz<\/a><\/li>\n<li><a href=\"https:\/\/entri.app\/blog\/world-rivers-day\/\" target=\"_blank\" rel=\"noopener noreferrer\">World Rivers day Quiz<\/a><\/li>\n<li><a href=\"https:\/\/entri.app\/blog\/gandhi-jayanti-quiz\/\" target=\"_blank\" rel=\"noopener noreferrer\">Gandhi Jayanti Quiz<\/a><\/li>\n<li><a href=\"https:\/\/entri.app\/blog\/world-maritime-day\/\" target=\"_blank\" rel=\"noopener noreferrer\">World Maritime day Quiz<\/a><\/li>\n<li><a href=\"https:\/\/entri.app\/blog\/world-heart-day\/\" target=\"_blank\" rel=\"noopener noreferrer\">World Heart day Quiz<\/a><\/li>\n<li><a href=\"https:\/\/entri.app\/blog\/world-alzheimers-day\/\" target=\"_blank\" rel=\"noopener noreferrer\">World Alzheimer\u2019s day Quiz<\/a><\/li>\n<\/ul>\n<\/div>\n<div>\n<div class=\"holiday-list-item-inner\">\n<p>Few important international days and its significance by Entri.<\/p>\n<\/div>\n<\/div>\n<div class=\"listicle-detail\">\n<ul>\n<li><a href=\"https:\/\/entri.app\/blog\/world-suicide-prevention-day-theme-history-quotes\/\" target=\"_blank\" rel=\"noopener noreferrer\">World Suicide prevention day<\/a><\/li>\n<li><a href=\"https:\/\/entri.app\/blog\/engineers-day\/\" target=\"_blank\" rel=\"noopener noreferrer\">Engineers day 2020 in India<\/a><\/li>\n<li><a href=\"https:\/\/entri.app\/blog\/international-day-of-democracy\/\" target=\"_blank\" rel=\"noopener noreferrer\">International day of democracy<\/a><\/li>\n<li><a href=\"https:\/\/entri.app\/blog\/international-literacy-day\/\" target=\"_blank\" rel=\"noopener noreferrer\">International Literacy day<\/a><\/li>\n<li><a href=\"https:\/\/entri.app\/blog\/international-day-of-charity\/\" target=\"_blank\" rel=\"noopener noreferrer\">International day of charity<\/a><\/li>\n<\/ul>\n<p style=\"text-align: center;\"><a href=\"https:\/\/entri.sng.link\/Bcofz\/yv45\/8wer\" target=\"_blank\" rel=\"noopener noreferrer\">Subscribe Entri for more details on International days<\/a><\/p>\n<p><a href=\"https:\/\/entri.sng.link\/Bcofz\/yv45\/8wer\" target=\"_blank\" rel=\"noopener noreferrer\"><img loading=\"lazy\" decoding=\"async\" width=\"346\" height=\"346\" class=\"alignnone size-full wp-image-11209742 aligncenter\" src=\"https:\/\/entri.app\/blog\/wp-content\/uploads\/2020\/09\/GK-and-Current-affairs-quiz-banner-1.jpg\" alt=\"Tsunami Day\" srcset=\"https:\/\/entri.app\/blog\/wp-content\/uploads\/2020\/09\/GK-and-Current-affairs-quiz-banner-1.jpg 346w, https:\/\/entri.app\/blog\/wp-content\/uploads\/2020\/09\/GK-and-Current-affairs-quiz-banner-1-300x300.jpg 300w, https:\/\/entri.app\/blog\/wp-content\/uploads\/2020\/09\/GK-and-Current-affairs-quiz-banner-1-150x150.jpg 150w, https:\/\/entri.app\/blog\/wp-content\/uploads\/2020\/09\/GK-and-Current-affairs-quiz-banner-1-75x75.jpg 75w\" sizes=\"auto, (max-width: 346px) 100vw, 346px\" \/><\/a><\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>International days are marked to educate the public on issues of concern, to address global problems and to celebrate and reinforce achievements of humanity. Each international day provides the community an opportunity to organize activities related to the theme and to create public awareness on the same. Organizations, governments, public and private sectors, schools, universities [&hellip;]<\/p>\n","protected":false},"author":41,"featured_media":15389944,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[802,164,558],"tags":[],"class_list":["post-15000945","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-articles","category-current-affairs","category-general-knowledge"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>World Tsunami Day 2020 - History, Theme, Activities - Entri<\/title>\n<meta name=\"description\" content=\"World Tsunami Day 2020 is observed on November 5. Check here for History, Theme, Activities , tsunami and its cause, worst hit tsunami list and Quiz\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/entri.app\/blog\/world-tsunami-day\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"World Tsunami Day 2020 - History, Theme, Activities - Entri\" \/>\n<meta property=\"og:description\" content=\"World Tsunami Day 2020 is observed on November 5. Check here for History, Theme, Activities , tsunami and its cause, worst hit tsunami list and Quiz\" \/>\n<meta property=\"og:url\" content=\"https:\/\/entri.app\/blog\/world-tsunami-day\/\" \/>\n<meta property=\"og:site_name\" content=\"Entri Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/entri.me\/\" \/>\n<meta property=\"article:published_time\" content=\"2020-11-01T08:29:04+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-08-24T04:43:22+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/entri.app\/blog\/wp-content\/uploads\/2020\/11\/GK.png\" \/>\n\t<meta property=\"og:image:width\" content=\"820\" \/>\n\t<meta property=\"og:image:height\" content=\"615\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Ayshath Thanseeha\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@entri_app\" \/>\n<meta name=\"twitter:site\" content=\"@entri_app\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Ayshath Thanseeha\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"9 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/entri.app\/blog\/world-tsunami-day\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/entri.app\/blog\/world-tsunami-day\/\"},\"author\":{\"name\":\"Ayshath Thanseeha\",\"@id\":\"https:\/\/entri.app\/blog\/#\/schema\/person\/269bf3769307a969baa6113912b2e463\"},\"headline\":\"World Tsunami Day 2020 &#8211; History, Theme, Activities\",\"datePublished\":\"2020-11-01T08:29:04+00:00\",\"dateModified\":\"2021-08-24T04:43:22+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/entri.app\/blog\/world-tsunami-day\/\"},\"wordCount\":1884,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/entri.app\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/entri.app\/blog\/world-tsunami-day\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/entri.app\/blog\/wp-content\/uploads\/2020\/11\/GK.png\",\"articleSection\":[\"Articles\",\"Current Affairs\",\"General Knowledge\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/entri.app\/blog\/world-tsunami-day\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/entri.app\/blog\/world-tsunami-day\/\",\"url\":\"https:\/\/entri.app\/blog\/world-tsunami-day\/\",\"name\":\"World Tsunami Day 2020 - History, Theme, Activities - Entri\",\"isPartOf\":{\"@id\":\"https:\/\/entri.app\/blog\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/entri.app\/blog\/world-tsunami-day\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/entri.app\/blog\/world-tsunami-day\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/entri.app\/blog\/wp-content\/uploads\/2020\/11\/GK.png\",\"datePublished\":\"2020-11-01T08:29:04+00:00\",\"dateModified\":\"2021-08-24T04:43:22+00:00\",\"description\":\"World Tsunami Day 2020 is observed on November 5. 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