--- title: "Where Will the Next Nuclear Meltdown Happen?" description: "Nuclear power plants represent one of humanity's greatest engineering achievements. These facilities harness the heat emitted by the breakdown of radioactive fuel to provide affordable electricity to about 10% of the world's population.\n\nBut the cooling systems responsible for regulating that heat are not perfect. They can fail, and when they do, a chain reaction can follow in which the nuclear fuel melts and destroys its containment, releasing deadly radioactive particles that spread far and wide. This event is known as a meltdown, and it is one of the most terrifying manmade disasters the world has ever seen. The radiation it generates can spread over thousands of miles, leaving extensive damage and death in its wake.\n\nEven short-term exposure can make entire cities uninhabitable and poison farmland for thousands of years. Worse, the threat to human health is often invisible at first, with the full consequences sometimes not manifesting for decades, or even generations. We know all of this firsthand, because meltdowns have happened before. The 1986 disaster at the Chernobyl Nuclear Power Plant in present-day Ukraine has been linked to thousands of deaths, and its victims are still being diagnosed with cancer today. More recently, the 2011 tsunami that struck the Fukushima Daiichi Nuclear Power Plant in Japan triggered a meltdown whose radiation could be detected as far away as Germany.\n\n## A Disaster That Keeps Happening\n\nChernobyl and Fukushima are just two examples drawn from roughly 20 partial or total meltdown events that have taken place since the 1950s. With over 400 nuclear power plants currently in operation around the world, it is likely that more meltdowns will occur in the future.\n\nSo this article attempts to speculate about where the world's next nuclear crisis might happen. We will investigate three possible causes of a meltdown and the places where each is most likely to strike. Then we will ask what, if anything, can be done to counter those risks and reduce the chance of another devastating disaster that would haunt generations to come.\n\n## Corruption in South Korea\n\nOur first scenario is a story of corruption and mismanagement that surfaced a year after Fukushima, just across the Tsushima Strait in South Korea. Lacking fossil fuel resources of its own, South Korea began aggressively building nuclear facilities in the 1950s. By the early 2000s, the country's 23 reactors were meeting roughly one-third of national energy demand.\n\nThe cracks began to show in 2012. A cooling system failure lasting nearly 12 minutes at the Kori-1 reactor caused a rapid and dangerous temperature spike. Managers at the plant tried to conceal the event by destroying records, even though they were obligated to report it to the Nuclear Safety and Security Commission. The incident was eventually reported a month later, and the resulting investigation found it had been caused by operators failing to follow multiple safety procedures.\n\nThe industry then sustained a far heavier blow when a whistleblower exposed a system of bribery, collusion, and corruption that came to be called the \"nuclear mafia.\" Investigators determined that over the previous decade, more than 10,000 safety tests had been falsified for components installed in over half of South Korea's reactors. Companies responsible for those tests either skipped examinations outright or fabricated data to fraudulently approve reactor parts.\n\nThe consequences became concrete in 2013, when communication cables produced by a company called JS Cables caused two reactors to shut down unnecessarily. It later emerged that of the 12 samples JS Cables had submitted for certification, only 3 had passed safety tests, and even those 3 had skipped the required radiation exposure beforehand. The cables had already been installed in 4 reactors and were slated for several more then under construction.\n\nIn response, nearly 8,000 components had to be replaced across South Korea's reactor fleet. Estimates put the cost of that replacement effort at over $8.4 billion.\n\n### How the Rot Set In\n\nAnalysts traced the problem to a highly centralized system, in which two state-owned entities were entirely responsible for both operating the plants and procuring their components. Investigators also identified a revolving-door personnel pipeline: managers retiring from those state-owned entities would be hired by the very companies that tested and supplied reactor parts, leaving them exposed to manipulation and bribery from their former employers. In the end, 68 individuals were convicted and sentenced to a cumulative 253 years in prison.\n\nThe fallout did not stay inside South Korea's borders. The country had been pursuing reactor construction and operation contracts abroad since the early 2000s, winning its first in 2009 to build and help operate Abu Dhabi's Barakah Nuclear Power Plant for the United Arab Emirates. To land that deal, engineers stripped important safety features from the reactor designs to offer a cheaper price, and the South Korean government even signed a secret defense agreement obligating its military to intervene in an Emirati conflict. The Barakah plant was still under construction when the corruption scandal broke, and investigators found that faulty parts had been used in its construction, delaying its opening by about three years.\n\nSouth Korea's government has since taken steps to guard against corruption, but it is hard to say how much the industry has truly recovered. The system remains highly centralized and exposed to the same pressures as before, and safety lapses persist. As recently as 2019, operators kept a reactor running for 12 hours after its core began to rapidly overheat. Meanwhile, South Korea is still chasing contracts abroad, winning a deal in 2022 to build four facilities in Egypt and pursuing further plants in Wales, Poland, and the Czech Republic.\n\nAnd the wider lesson is sobering. Significant corruption has been uncovered in the nuclear programs of over 15 countries. We only know what we do about South Korea because a whistleblower chose to speak. Activities just as bad, or worse, could be unfolding elsewhere right now, and we might not find out until it is too late.\n\n## Tsunamis in India\n\nOur second scenario takes us to India, and specifically to its coastal regions, where nearly two-thirds of the country's nuclear facilities are located. Building plants on the coast is itself common, because the enormous volume of water needed to cool a reactor can be drawn straight from the sea. What is uncommon is a country like India whose coastal plants are also flanked by active underwater earthquake zones.\n\nTo India's northwest, the Makran Subduction Zone in the Arabian Sea has produced earthquakes that triggered multiple tsunamis. In 1945, a magnitude 8.1 quake generated a tsunami that damaged some of the very regions of northwest India where nuclear plants stand today. To the east, the Sumatran Subduction Zone in the Indian Ocean has its own record of violent tsunamis. In 2004 it was the site of the most powerful earthquake seen on Earth since 1964, producing a tsunami that battered India's east coast and flooded a nuclear plant there. Fortunately, that facility automatically shut down, preventing disaster.\n\nYou might assume such a sobering experience would prompt India to reconsider where it places its reactors, but you would be wrong. Since the 2004 tsunami, one more plant has opened on the east coast, with construction planned to begin on another in 2025.\n\nThe 2004 near-miss is worth comparing to the 2011 Fukushima disaster. Fukushima had the same safety features as India's coastal plants, and because of them, only 1 of its 4 reactors suffered a meltdown. Yet even with the safety systems working in 75% of those reactors, that single meltdown proved devastating. Perhaps it would be worth simply building these facilities on higher ground.\n\n## War in Ukraine\n\nOur final scenario returns to Ukraine, where Chernobyl showed the world the true cost of a meltdown nearly 40 years ago. This time the focus is the Zaporizhzhia Nuclear Power Plant, Europe's largest, with 6 reactors producing up to 20% of Ukraine's electricity. In recent years it has also tended to be surrounded by conflict.\n\nZaporizhzhia first began to capture the world's attention when fighting erupted in eastern Ukraine between pro-Russian separatists and Ukrainian forces in 2014. Battles came as close as 200 kilometers from the plant before drifting away again. That made observers uneasy, but it was nothing compared to the anxiety to come. When Russia launched its full-scale invasion in February 2022, with a particular focus on Ukraine's easternmost regions, the world watched as Russian forces crept toward Zaporizhzhia Oblast and then the plant itself. By March, a full-fledged battle was taking place at Europe's largest nuclear facility. Any damage to the cooling systems or reactors could quickly have given rise to the world's next meltdown.\n\n### How Close Europe Came\n\nRussia captured the plant by mid-March, but that was far from the end of the saga. Moscow initially refused to cooperate with the International Atomic Energy Agency's efforts to assess the damage, leaving the world unsure how dire things truly were. When the Agency's investigation finally took place that September, its findings showed just how close Europe had come to catastrophe. The plant had sustained considerable damage during the fighting: a high-caliber round had penetrated the outer wall of one reactor, and an artillery shell had struck dangerously close to another.\n\nA new concern emerged in June 2023 when the Kakhovka Dam was breached. That dam formed the reservoir supplying the water that cooled Zaporizhzhia's reactors. Fortunately, the situation was less dire than it could have been, because 5 of the 6 reactors had already been shut down and no longer required intensive cooling. The IAEA responded by installing 11 new underground wells to cool the single remaining operational reactor.\n\nThe plant remains entangled in the war. The surrounding area is plagued by active conflict, including a drone attack that damaged multiple reactor containments in April 2024, and some reports suggest Russia is storing heavy weapons on the grounds, a claim Moscow disputes. Even so, the American Nuclear Society stated in a press release that, given the plant's current dormant state, it is unlikely to be responsible for a major radiological disaster; even if a reactor were breached and radioactive material exposed, only the immediate vicinity would be threatened.\n\nThat is reassuring for Zaporizhzhia specifically, but it is worth zooming out. A war is being fought in Europe, where 40% of the world's nuclear reactors are located. An escalation of hostilities could easily threaten other facilities and spark a new crisis.\n\n## Preventing a Future Meltdown\n\nHumanity faces few threats more concerning than nuclear radiation, and the event most likely to bring people face-to-face with that force is a meltdown. Having asked where the next one is most likely to happen, it is worth flipping the question to ask what can be done to prevent another one altogether.\n\nOur three scenarios offer tangible starting points. For corruption and negligence, the fix is primarily a policy matter: nations should diversify the entities responsible for overseeing nuclear operations and component sourcing, avoiding an overly centralized system like South Korea's. They should also write laws that reflect the gravity of nuclear mismanagement, with harsh punishments for those who exploit the system for personal gain. After the \"nuclear mafia\" was exposed, South Korea's government pledged to ban corrupt suppliers from government contracts for 10 years. In reality, that ban lasted only six months. If we genuinely want to prevent mismanagement, these crimes have to be taken far more seriously.\n\nThe solution to meltdowns caused by natural disasters is more straightforward: don't build nuclear facilities in places prone to catastrophes like tsunamis or volcanic eruptions. Both are among the most destructive natural events, and both threaten any plant in their path. Fortunately, they are also relatively easy to anticipate, with tsunamis occurring on coastlines near active earthquake zones and volcanic eruptions occurring near volcanoes. Simply choosing to build elsewhere could prevent the world's next disaster.\n\nThe hardest threat to navigate is war. International law already prohibits attacks on nuclear facilities, but controlling aggressors is difficult in practice. Even so, Zaporizhzhia offers some room for optimism. Despite being caught in a vicious struggle between two nations, the parties eventually cooperated to let the plant be inspected. That kind of cooperation and respect for intergovernmental agencies will be critical to avoiding nuclear crises in future conflicts.\n\n## Conclusion\n\nHistory suggests that because meltdowns have happened before, they will happen again. But that doesn't have to be true. If we learn from history, we may be able to significantly reduce, or even eliminate, the chance of another one. We have examined three locations that could host the next meltdown for three distinct reasons. Yet through careful application of policy, diplomacy, foresight, and maybe a little luck, perhaps the answer to \"Where will the next nuclear meltdown happen?\" could one day be \"Nowhere.\"\n\n## Key Takeaways\n\n- Nuclear power supplies electricity to about 10% of the world's population, but roughly 20 partial or total meltdowns have occurred since the 1950s, and over 400 reactors operate today.\n- South Korea's \"nuclear mafia\" scandal exposed more than 10,000 falsified safety tests, forced the replacement of nearly 8,000 components at a cost of over $8.4 billion, and sent 68 people to prison for a combined 253 years.\n- Nearly two-thirds of India's nuclear facilities sit on coasts flanked by active earthquake zones; a 2004 tsunami flooded one plant, which survived only because it automatically shut down.\n- Zaporizhzhia, Europe's largest plant with 6 reactors, was captured by Russia in 2022 and damaged by shelling and a 2024 drone attack, though the American Nuclear Society judges a major radiological disaster unlikely given its dormant state.\n- Europe holds 40% of the world's reactors, so escalating conflict there poses a broad nuclear risk beyond any single plant.\n- The proposed defenses are decentralizing oversight, enforcing serious penalties for corruption, avoiding disaster-prone sites, and upholding international agencies and law during war.\n\n## Frequently Asked Questions\n\n### What is a nuclear meltdown?\n\nA meltdown happens when a reactor's cooling system fails and can no longer regulate the heat from its radioactive fuel. The fuel can then melt and destroy its containment, releasing deadly radioactive particles that spread far and wide. Radiation from such an event can travel thousands of miles and make cities and farmland uninhabitable for thousands of years.\n\n### What was South Korea's \"nuclear mafia\" scandal?\n\nIt was a system of bribery, collusion, and corruption exposed by a whistleblower, in which more than 10,000 safety tests were falsified for components installed in over half of South Korea's reactors. Companies skipped examinations or fabricated data to fraudulently approve parts. Nearly 8,000 components had to be replaced at a cost of over $8.4 billion, and 68 people were convicted and sentenced to a combined 253 years in prison.\n\n### Why is India's nuclear program considered at risk from tsunamis?\n\nNearly two-thirds of India's nuclear facilities are on its coasts, which are flanked by active underwater earthquake zones such as the Makran and Sumatran Subduction Zones. A 1945 quake produced a tsunami that hit regions of northwest India where plants now stand, and a 2004 tsunami flooded a plant on the east coast. That facility survived only because it automatically shut down.\n\n### What happened at the Zaporizhzhia Nuclear Power Plant during the war?\n\nZaporizhzhia, Europe's largest plant with 6 reactors, became a battleground in 2022 and was captured by Russia by mid-March. An IAEA inspection that September found a high-caliber round had penetrated one reactor's outer wall and an artillery shell had struck near another. A 2023 dam breach threatened its cooling water, and a 2024 drone attack damaged multiple reactor containments.\n\n### How dangerous is Zaporizhzhia now, according to experts?\n\nThe American Nuclear Society stated in a press release that, given the plant's current dormant state, it is unlikely to cause a major radiological disaster. They said that even if a reactor were breached and radioactive material exposed, only the immediate vicinity would be threatened. However, with 40% of the world's reactors in Europe, a wider escalation of the war could still endanger other facilities.\n\n### Can future nuclear meltdowns be prevented?\n\nThe article argues they can be made far less likely. The suggested measures are decentralizing the entities that oversee nuclear operations and component sourcing, enforcing serious penalties for corruption, avoiding sites prone to tsunamis and volcanic eruptions, and upholding international law and cooperation with agencies like the IAEA during conflicts.\n\n## Sources\n\n- [Original MegaProjects video: Where will the Next Nuclear Meltdown Happen?](https://www.youtube.com/watch?v=3Y4SbebxthY)\n- [Indictments for South Korea forgery scandal — World Nuclear News](https://world-nuclear-news.org/Articles/Indictments-for-South-Korea-forgery-scandal)\n- [South Korean nuclear scandal — Wikipedia](https://en.wikipedia.org/wiki/South_Korean_nuclear_scandal)\n- [Update on Zaporizhzhia — American Nuclear Society / Nuclear Newswire](https://www.ans.org/news/article-7472/update-on-zaporizhzhia/)\n\n- [Hero image source](https://commons.wikimedia.org/wiki/File:Three_Mile_Island_042018.jpg) by PLBthetoonist / Wikimedia Commons, CC BY-SA 4.0.\n\n## Related Coverage\n\n- [The Duga Radar The Secret Spying Soviet Radar Next To Chernobyl](/article/the-duga-radar-the-secret-spying-soviet-radar-next-to-chernobyl)" url: https://megaprojects.pub/article/where-will-the-next-nuclear-meltdown-happen.md canonical: https://megaprojects.pub/article/where-will-the-next-nuclear-meltdown-happen datePublished: 2026-06-09 dateModified: 2026-06-09 author: - name: Simon Whistler url: https://megaprojects.pub/author/simon-whistler publisher: MegaProjects image: "https://media.megaprojects.pub/cdn-cgi/image/width=600,height=338,fit=cover,quality=80,format=auto/articles/3Y4SbebxthY/hero.jpg" type: NewsArticle contentHash: 5804efec3ec062d46de81a842e0aa88c0f85932a53524a815bbf724ba10b1863 tokens: 4552 summaryUrl: https://megaprojects.pub/article/where-will-the-next-nuclear-meltdown-happen.md.summary.md --- Nuclear power plants represent one of humanity's greatest engineering achievements. These facilities harness the heat emitted by the breakdown of radioactive fuel to provide affordable electricity to about 10% of the world's population. But the cooling systems responsible for regulating that heat are not perfect. They can fail, and when they do, a chain reaction can follow in which the nuclear fuel melts and destroys its containment, releasing deadly radioactive particles that spread far and wide. This event is known as a meltdown, and it is one of the most terrifying manmade disasters the world has ever seen. The radiation it generates can spread over thousands of miles, leaving extensive damage and death in its wake. Even short-term exposure can make entire cities uninhabitable and poison farmland for thousands of years. Worse, the threat to human health is often invisible at first, with the full consequences sometimes not manifesting for decades, or even generations. We know all of this firsthand, because meltdowns have happened before. The 1986 disaster at the Chernobyl Nuclear Power Plant in present-day Ukraine has been linked to thousands of deaths, and its victims are still being diagnosed with cancer today. More recently, the 2011 tsunami that struck the Fukushima Daiichi Nuclear Power Plant in Japan triggered a meltdown whose radiation could be detected as far away as Germany. ## A Disaster That Keeps Happening Chernobyl and Fukushima are just two examples drawn from roughly 20 partial or total meltdown events that have taken place since the 1950s. With over 400 nuclear power plants currently in operation around the world, it is likely that more meltdowns will occur in the future. So this article attempts to speculate about where the world's next nuclear crisis might happen. We will investigate three possible causes of a meltdown and the places where each is most likely to strike. Then we will ask what, if anything, can be done to counter those risks and reduce the chance of another devastating disaster that would haunt generations to come. ## Corruption in South Korea Our first scenario is a story of corruption and mismanagement that surfaced a year after Fukushima, just across the Tsushima Strait in South Korea. Lacking fossil fuel resources of its own, South Korea began aggressively building nuclear facilities in the 1950s. By the early 2000s, the country's 23 reactors were meeting roughly one-third of national energy demand. The cracks began to show in 2012. A cooling system failure lasting nearly 12 minutes at the Kori-1 reactor caused a rapid and dangerous temperature spike. Managers at the plant tried to conceal the event by destroying records, even though they were obligated to report it to the Nuclear Safety and Security Commission. The incident was eventually reported a month later, and the resulting investigation found it had been caused by operators failing to follow multiple safety procedures. The industry then sustained a far heavier blow when a whistleblower exposed a system of bribery, collusion, and corruption that came to be called the "nuclear mafia." Investigators determined that over the previous decade, more than 10,000 safety tests had been falsified for components installed in over half of South Korea's reactors. Companies responsible for those tests either skipped examinations outright or fabricated data to fraudulently approve reactor parts. The consequences became concrete in 2013, when communication cables produced by a company called JS Cables caused two reactors to shut down unnecessarily. It later emerged that of the 12 samples JS Cables had submitted for certification, only 3 had passed safety tests, and even those 3 had skipped the required radiation exposure beforehand. The cables had already been installed in 4 reactors and were slated for several more then under construction. In response, nearly 8,000 components had to be replaced across South Korea's reactor fleet. Estimates put the cost of that replacement effort at over $8.4 billion. ### How the Rot Set In Analysts traced the problem to a highly centralized system, in which two state-owned entities were entirely responsible for both operating the plants and procuring their components. Investigators also identified a revolving-door personnel pipeline: managers retiring from those state-owned entities would be hired by the very companies that tested and supplied reactor parts, leaving them exposed to manipulation and bribery from their former employers. In the end, 68 individuals were convicted and sentenced to a cumulative 253 years in prison. The fallout did not stay inside South Korea's borders. The country had been pursuing reactor construction and operation contracts abroad since the early 2000s, winning its first in 2009 to build and help operate Abu Dhabi's Barakah Nuclear Power Plant for the United Arab Emirates. To land that deal, engineers stripped important safety features from the reactor designs to offer a cheaper price, and the South Korean government even signed a secret defense agreement obligating its military to intervene in an Emirati conflict. The Barakah plant was still under construction when the corruption scandal broke, and investigators found that faulty parts had been used in its construction, delaying its opening by about three years. South Korea's government has since taken steps to guard against corruption, but it is hard to say how much the industry has truly recovered. The system remains highly centralized and exposed to the same pressures as before, and safety lapses persist. As recently as 2019, operators kept a reactor running for 12 hours after its core began to rapidly overheat. Meanwhile, South Korea is still chasing contracts abroad, winning a deal in 2022 to build four facilities in Egypt and pursuing further plants in Wales, Poland, and the Czech Republic. And the wider lesson is sobering. Significant corruption has been uncovered in the nuclear programs of over 15 countries. We only know what we do about South Korea because a whistleblower chose to speak. Activities just as bad, or worse, could be unfolding elsewhere right now, and we might not find out until it is too late. ## Tsunamis in India Our second scenario takes us to India, and specifically to its coastal regions, where nearly two-thirds of the country's nuclear facilities are located. Building plants on the coast is itself common, because the enormous volume of water needed to cool a reactor can be drawn straight from the sea. What is uncommon is a country like India whose coastal plants are also flanked by active underwater earthquake zones. To India's northwest, the Makran Subduction Zone in the Arabian Sea has produced earthquakes that triggered multiple tsunamis. In 1945, a magnitude 8.1 quake generated a tsunami that damaged some of the very regions of northwest India where nuclear plants stand today. To the east, the Sumatran Subduction Zone in the Indian Ocean has its own record of violent tsunamis. In 2004 it was the site of the most powerful earthquake seen on Earth since 1964, producing a tsunami that battered India's east coast and flooded a nuclear plant there. Fortunately, that facility automatically shut down, preventing disaster. You might assume such a sobering experience would prompt India to reconsider where it places its reactors, but you would be wrong. Since the 2004 tsunami, one more plant has opened on the east coast, with construction planned to begin on another in 2025. The 2004 near-miss is worth comparing to the 2011 Fukushima disaster. Fukushima had the same safety features as India's coastal plants, and because of them, only 1 of its 4 reactors suffered a meltdown. Yet even with the safety systems working in 75% of those reactors, that single meltdown proved devastating. Perhaps it would be worth simply building these facilities on higher ground. ## War in Ukraine Our final scenario returns to Ukraine, where Chernobyl showed the world the true cost of a meltdown nearly 40 years ago. This time the focus is the Zaporizhzhia Nuclear Power Plant, Europe's largest, with 6 reactors producing up to 20% of Ukraine's electricity. In recent years it has also tended to be surrounded by conflict. Zaporizhzhia first began to capture the world's attention when fighting erupted in eastern Ukraine between pro-Russian separatists and Ukrainian forces in 2014. Battles came as close as 200 kilometers from the plant before drifting away again. That made observers uneasy, but it was nothing compared to the anxiety to come. When Russia launched its full-scale invasion in February 2022, with a particular focus on Ukraine's easternmost regions, the world watched as Russian forces crept toward Zaporizhzhia Oblast and then the plant itself. By March, a full-fledged battle was taking place at Europe's largest nuclear facility. Any damage to the cooling systems or reactors could quickly have given rise to the world's next meltdown. ### How Close Europe Came Russia captured the plant by mid-March, but that was far from the end of the saga. Moscow initially refused to cooperate with the International Atomic Energy Agency's efforts to assess the damage, leaving the world unsure how dire things truly were. When the Agency's investigation finally took place that September, its findings showed just how close Europe had come to catastrophe. The plant had sustained considerable damage during the fighting: a high-caliber round had penetrated the outer wall of one reactor, and an artillery shell had struck dangerously close to another. A new concern emerged in June 2023 when the Kakhovka Dam was breached. That dam formed the reservoir supplying the water that cooled Zaporizhzhia's reactors. Fortunately, the situation was less dire than it could have been, because 5 of the 6 reactors had already been shut down and no longer required intensive cooling. The IAEA responded by installing 11 new underground wells to cool the single remaining operational reactor. The plant remains entangled in the war. The surrounding area is plagued by active conflict, including a drone attack that damaged multiple reactor containments in April 2024, and some reports suggest Russia is storing heavy weapons on the grounds, a claim Moscow disputes. Even so, the American Nuclear Society stated in a press release that, given the plant's current dormant state, it is unlikely to be responsible for a major radiological disaster; even if a reactor were breached and radioactive material exposed, only the immediate vicinity would be threatened. That is reassuring for Zaporizhzhia specifically, but it is worth zooming out. A war is being fought in Europe, where 40% of the world's nuclear reactors are located. An escalation of hostilities could easily threaten other facilities and spark a new crisis. ## Preventing a Future Meltdown Humanity faces few threats more concerning than nuclear radiation, and the event most likely to bring people face-to-face with that force is a meltdown. Having asked where the next one is most likely to happen, it is worth flipping the question to ask what can be done to prevent another one altogether. Our three scenarios offer tangible starting points. For corruption and negligence, the fix is primarily a policy matter: nations should diversify the entities responsible for overseeing nuclear operations and component sourcing, avoiding an overly centralized system like South Korea's. They should also write laws that reflect the gravity of nuclear mismanagement, with harsh punishments for those who exploit the system for personal gain. After the "nuclear mafia" was exposed, South Korea's government pledged to ban corrupt suppliers from government contracts for 10 years. In reality, that ban lasted only six months. If we genuinely want to prevent mismanagement, these crimes have to be taken far more seriously. The solution to meltdowns caused by natural disasters is more straightforward: don't build nuclear facilities in places prone to catastrophes like tsunamis or volcanic eruptions. Both are among the most destructive natural events, and both threaten any plant in their path. Fortunately, they are also relatively easy to anticipate, with tsunamis occurring on coastlines near active earthquake zones and volcanic eruptions occurring near volcanoes. Simply choosing to build elsewhere could prevent the world's next disaster. The hardest threat to navigate is war. International law already prohibits attacks on nuclear facilities, but controlling aggressors is difficult in practice. Even so, Zaporizhzhia offers some room for optimism. Despite being caught in a vicious struggle between two nations, the parties eventually cooperated to let the plant be inspected. That kind of cooperation and respect for intergovernmental agencies will be critical to avoiding nuclear crises in future conflicts. ## Conclusion History suggests that because meltdowns have happened before, they will happen again. But that doesn't have to be true. If we learn from history, we may be able to significantly reduce, or even eliminate, the chance of another one. We have examined three locations that could host the next meltdown for three distinct reasons. Yet through careful application of policy, diplomacy, foresight, and maybe a little luck, perhaps the answer to "Where will the next nuclear meltdown happen?" could one day be "Nowhere." ## Key Takeaways - Nuclear power supplies electricity to about 10% of the world's population, but roughly 20 partial or total meltdowns have occurred since the 1950s, and over 400 reactors operate today. - South Korea's "nuclear mafia" scandal exposed more than 10,000 falsified safety tests, forced the replacement of nearly 8,000 components at a cost of over $8.4 billion, and sent 68 people to prison for a combined 253 years. - Nearly two-thirds of India's nuclear facilities sit on coasts flanked by active earthquake zones; a 2004 tsunami flooded one plant, which survived only because it automatically shut down. - Zaporizhzhia, Europe's largest plant with 6 reactors, was captured by Russia in 2022 and damaged by shelling and a 2024 drone attack, though the American Nuclear Society judges a major radiological disaster unlikely given its dormant state. - Europe holds 40% of the world's reactors, so escalating conflict there poses a broad nuclear risk beyond any single plant. - The proposed defenses are decentralizing oversight, enforcing serious penalties for corruption, avoiding disaster-prone sites, and upholding international agencies and law during war. ## Frequently Asked Questions ### What is a nuclear meltdown? A meltdown happens when a reactor's cooling system fails and can no longer regulate the heat from its radioactive fuel. The fuel can then melt and destroy its containment, releasing deadly radioactive particles that spread far and wide. Radiation from such an event can travel thousands of miles and make cities and farmland uninhabitable for thousands of years. ### What was South Korea's "nuclear mafia" scandal? It was a system of bribery, collusion, and corruption exposed by a whistleblower, in which more than 10,000 safety tests were falsified for components installed in over half of South Korea's reactors. Companies skipped examinations or fabricated data to fraudulently approve parts. Nearly 8,000 components had to be replaced at a cost of over $8.4 billion, and 68 people were convicted and sentenced to a combined 253 years in prison. ### Why is India's nuclear program considered at risk from tsunamis? Nearly two-thirds of India's nuclear facilities are on its coasts, which are flanked by active underwater earthquake zones such as the Makran and Sumatran Subduction Zones. A 1945 quake produced a tsunami that hit regions of northwest India where plants now stand, and a 2004 tsunami flooded a plant on the east coast. That facility survived only because it automatically shut down. ### What happened at the Zaporizhzhia Nuclear Power Plant during the war? Zaporizhzhia, Europe's largest plant with 6 reactors, became a battleground in 2022 and was captured by Russia by mid-March. An IAEA inspection that September found a high-caliber round had penetrated one reactor's outer wall and an artillery shell had struck near another. A 2023 dam breach threatened its cooling water, and a 2024 drone attack damaged multiple reactor containments. ### How dangerous is Zaporizhzhia now, according to experts? The American Nuclear Society stated in a press release that, given the plant's current dormant state, it is unlikely to cause a major radiological disaster. They said that even if a reactor were breached and radioactive material exposed, only the immediate vicinity would be threatened. However, with 40% of the world's reactors in Europe, a wider escalation of the war could still endanger other facilities. ### Can future nuclear meltdowns be prevented? The article argues they can be made far less likely. The suggested measures are decentralizing the entities that oversee nuclear operations and component sourcing, enforcing serious penalties for corruption, avoiding sites prone to tsunamis and volcanic eruptions, and upholding international law and cooperation with agencies like the IAEA during conflicts. ## Sources - [Original MegaProjects video: Where will the Next Nuclear Meltdown Happen?](https://www.youtube.com/watch?v=3Y4SbebxthY) - [Indictments for South Korea forgery scandal — World Nuclear News](https://world-nuclear-news.org/Articles/Indictments-for-South-Korea-forgery-scandal) - [South Korean nuclear scandal — Wikipedia](https://en.wikipedia.org/wiki/South_Korean_nuclear_scandal) - [Update on Zaporizhzhia — American Nuclear Society / Nuclear Newswire](https://www.ans.org/news/article-7472/update-on-zaporizhzhia/) - [Hero image source](https://commons.wikimedia.org/wiki/File:Three_Mile_Island_042018.jpg) by PLBthetoonist / Wikimedia Commons, CC BY-SA 4.0. ## Related Coverage - [The Duga Radar The Secret Spying Soviet Radar Next To Chernobyl](/article/the-duga-radar-the-secret-spying-soviet-radar-next-to-chernobyl)