{"id":2911,"date":"2019-03-22T19:05:28","date_gmt":"2019-03-22T10:05:28","guid":{"rendered":"http:\/\/163.180.4.222\/lab\/?p=2911"},"modified":"2019-03-22T19:05:28","modified_gmt":"2019-03-22T10:05:28","slug":"south-korea-accepts-geothermal-plant-probably-caused-destructive-quake","status":"publish","type":"post","link":"https:\/\/biochemistry.khu.ac.kr\/lab\/?p=2911","title":{"rendered":"South Korea accepts geothermal plant probably caused destructive quake"},"content":{"rendered":"

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The nation\u2019s energy ministry expressed \u2018deep regret\u2019, and said it would dismantle the experimental plant.<\/h5>\n

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A 2017 earthquake in Pohang, South Korea has been linked to a geothermal plant.<\/span>Credit: Yonhap\/EPA-EFE\/Shutterstock<\/p>\n<\/figcaption><\/figure>\n

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A South Korean government panel has concluded that a magnitude-5.4 earthquake that struck the city of Pohang on 15 November 2017 was probably caused by an experimental geothermal power plant. The panel was convened under presidential orders and released its findings on 20 March.<\/p>\n

Unlike conventional geothermal plants, which extract energy directly from hot underground water or rock, the Pohang power plant injected fluid at high pressure into the ground to fracture the rock and release heat \u2014 a technology known as an enhanced geothermal system. This pressure caused small earthquakes that affected nearby faults, and eventually triggered the bigger 2017 quake, the panel found.<\/p>\n

The quake was the nation\u2019s second strongest and its most destructive on modern record \u2014 it injured 135 people and caused an estimated 300 billion won (US$290 million) in damage. The nation\u2019s Ministry of Trade, Industry and Energy, which had provided funding for the plant, said in a statement that it accepts the panel\u2019s findings and \u201cexpresses deep regret\u201d to the citizens of Pohang who were harmed by the event.<\/p>\n

The ministry announced that it would dismantle the power plant, restore the site to its original condition, and invest 225.7 billion won to repair infrastructure in the hardest-hit area. The results support the findings of a pair of studies published in\u00a0Science<\/i>1<\/a><\/sup>,<\/sup>2<\/a><\/sup>\u00a0last year, which suggested the plant as a likely cause of the quake.<\/p>\n

Earthquakes have been linked to geothermal power plant in other parts of the world. But the Pohang quake is by far the strongest ever tied to this kind of plant \u2014 1,000 times mightier than a magnitude-3.4 quake triggered by a plant in Basel, Switzerland, in 2006.<\/p>\n

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(\uc6d0\ubb38: \uc5ec\uae30<\/a>\ub97c \ud074\ub9ad\ud558\uc138\uc694~)<\/p>\n

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    The nation\u2019s energy ministry expressed \u2018deep regret\u2019, and said it would dismantle the experimental plant.   A 2017 earthquake in Pohang, South Korea(more…)<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[32,36,29,30],"tags":[],"class_list":["post-2911","post","type-post","status-publish","format-standard","hentry","category-essays-on-science","category-lets-do-physics","category-lets-do-science","category-recent-science-news"],"aioseo_notices":[],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack-related-posts":[{"id":3166,"url":"https:\/\/biochemistry.khu.ac.kr\/lab\/?p=3166","url_meta":{"origin":2911,"position":0},"title":"Duke University\u2019s huge misconduct fine is a reminder to reward rigour","author":"biochemistry","date":"April 3, 2019","format":false,"excerpt":"\u00a0 \u00a0 US$112.5-million settlement concerning fraudulent data is a casualty of a culture that prizes impact over robustness, says Arturo Casadevall. \u00a0 \u00a0 Last week, Duke University announced it would pay the US government US$112.5 million to settle claims that fraudulent data were used in dozens of research-grant applications. 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