{"id":6949,"date":"2024-12-02T14:53:27","date_gmt":"2024-12-02T13:53:27","guid":{"rendered":"https:\/\/blog.structuralia.com\/el-alarmante-levantamiento-de-dos-metros-del-suelo-de-la-ciudad-de-pozzuoli"},"modified":"2026-03-27T13:51:51","modified_gmt":"2026-03-27T12:51:51","slug":"the-alarming-two-meter-rise-in-the-ground-level-in-the-city-of-pozzuoli","status":"publish","type":"post","link":"https:\/\/blog.structuralia.com\/en\/el-alarmante-levantamiento-de-dos-metros-del-suelo-de-la-ciudad-de-pozzuoli","title":{"rendered":"The alarming 2-meter rise in the ground in the city of Pozzuoli"},"content":{"rendered":"<p class=\"wp-block-paragraph\">In early 1982, the ground in the city of Pozzuoli, a town in the northern part of the province of Naples, Italy, began to rise at an alarming rate, reaching a height of about 1.8 meters in just two years. This phenomenon, which had never been observed anywhere in the world, forced the evacuation of the city. Recently, the cause of this event has been determined.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img decoding=\"async\" src=\"https:\/\/blog.structuralia.com\/wp-content\/uploads\/2024\/12\/pozzuoli1-5.jpg\" alt=\"pozzuoli1\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Pozzuoli is located in the center of a highly active volcanic complex linked to Mount Vesuvius; beneath the city lies a magma chamber that causes minor tremors and causes the ground level to rise and fall. However, it was not known why these variations occurred so alarmingly.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img decoding=\"async\" src=\"https:\/\/blog.structuralia.com\/wp-content\/uploads\/2024\/12\/pozzuoli4-5.jpg\" alt=\"pozzuoli4\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">The answer has come from Stanford University: A recent study has determined that the magma chamber is covered by a thick layer of rock whose chemical composition includes graphite and actinolite, which, under high pressures and temperatures, release calcium hydroxide that forms a natural cement when it reacts with the porcelain found in the upper layers. This type of cement is responsible for the uplift of the ground, but it also acts as a barrier, limiting seismic activity in the area.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img decoding=\"async\" src=\"https:\/\/blog.structuralia.com\/wp-content\/uploads\/2024\/12\/pozzuoli3-5.jpg\" alt=\"pozzuoli3\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">From time to time, this phenomenon recurs, forcing families to evacuate; later, when the ground subsides again, the evacuees can return to their homes. In fact, calculations by researchers studying the phenomenon conclude that the ground in the area of this volcanic complex may have moved up and down considerably over the past 20 centuries, by approximately<strong> 17 meters<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In a way, nature acts here as a<a href=\"https:\/\/blog.structuralia.com\/en\/trampantojo\/\" data-type=\"link\" data-id=\"https:\/\/blog.structuralia.com\/trampantojo\"> trompe-l'\u0153il<\/a> architectural: what is visible on the surface can be misleading, since geological processes invisible to the naked eye are taking place underground, radically altering the reality of the city.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>A principios del a\u00f1o 1982 el suelo de la ciudad de Pozzuoli, una localidad al norte de la provincia de N\u00e1poles, en Italia, comenz\u00f3 a elevarse de forma alarmante, llegando a unos 1,8 metros en solo dos a\u00f1os. Este fen\u00f3meno que nunca se hab\u00eda producido en el mundo oblig\u00f3 a evacuar la ciudad. Recientemente, se [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":5491,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_ayudawp_aiss_exclude":false,"_ayudawp_aiss_summary":"","_ayudawp_aiss_summary_provider":"","_ayudawp_aiss_summary_hash":"","footnotes":""},"categories":[264],"tags":[],"class_list":["post-6949","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ingenieria-y-construccion"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>El alarmante levantamiento de 2 metros del suelo de la ciudad de Pozzuoli - Blog y noticias sobre ingenier\u00eda | Structuralia<\/title>\n<meta name=\"description\" content=\"A principios del a\u00f1o 1982 el suelo de la ciudad de Pozzuoli, una localidad al norte de la provincia de N\u00e1poles, en Italia, comenz\u00f3 a elevarse de forma\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.structuralia.com\/en\/wp-json\/wp\/v2\/posts\/6949\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"El alarmante levantamiento de 2 metros del suelo de la ciudad de Pozzuoli - Blog y noticias sobre ingenier\u00eda | Structuralia\" \/>\n<meta property=\"og:description\" content=\"A principios del a\u00f1o 1982 el suelo de la ciudad de Pozzuoli, una localidad al norte de la provincia de N\u00e1poles, en Italia, comenz\u00f3 a elevarse de forma\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blog.structuralia.com\/en\/the-alarming-two-meter-rise-in-the-ground-level-in-the-city-of-pozzuoli\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog de Structuralia\" \/>\n<meta property=\"article:published_time\" 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