Global Scans · Super Tsunami · Weekly Summary

A global catastrophic risk is a hypothetical future event that has the potential to damage human well-being on a global scale. Some events could cripple or destroy modern civilization. Any event that could cause human extinction is known as an existential risk.

• [New] A boulder weighing almost 1,200 tonnes in Tonga is one of the largest known wave-transported rocks in the world, providing new insights into the Pacific region's history and risk of tsunamis. UQ News
• [New] In India, coastal regions participate in educational activities, drills, and community meetings to enhance understanding and readiness for tsunami risks. KnowInsiders
• Experts acknowledge that Japan is situated along the Pacific Ring of Fire, which is a region that has been known for frequent megathrust earthquakes and the potential for massive tsunamis. Times of India
• Japan's economy could lose as much as $1.81 trillion in the event of a long-anticipated megaquake off its Pacific coast, which could trigger devastating tsunamis, the collapse of hundreds of buildings and potentially kill about 300,000 people, a government report said on Monday. Nikkei Asia
• On the island of Santorini, thousands of small earthquakes recorded in recent days have raised concerns that a major earthquake could be inevitable, potentially triggering a tsunami in the Mediterranean Sea. Sarajevo Times
• Typhoons, earthquakes, and tsunamis are of particular concern, with local sources indicating Taiwan ranks first in the world in natural disaster risk. Mad Scientist Laboratory
• Earthquake and tsunami fever has gripped Istanbul since last year's disaster in southern Turkey, as residents in Europe's most populous city fear they could face similar devastation. GreekReporter.com
• Global average annual losses in the built environment from earthquakes, tsunamis, cyclones, flooding and other disasters were estimated at $314 billion in 2015 and are expected to increase to $415 billion by 2030. World Bank Group
• Such as Maldives, although there have been no evidence of tsunami for past 100 years but due to rise in sea level and located in earth quake zone whole Maldives is at high risk to flood and tsunami. UKDiss
• Tatsuki warns of an undersea volcanic eruption between Japan and the Philippines, causing a tsunami larger than the one from the Great East Japan Earthquake. Minna no RakuRaku Magazine
• The geographical specifics of South Korea make it prone to various natural hazards, including typhoons, floods, droughts, tsunamis, earthquakes, and more. Energy Tracker Asia
• Even a moderate earthquake in the eastern Mediterranean could set off a tsunami with the potential to affect a large proportion of the 130m people who live on its coastline. GreekReporter.com
• HiPIMS has been widely applied in over 40 countries across the world and continued to develop to support multi-hazard systemic risk assessment and management including flooding, tsunami, storm surge, and landslide. Loughborough University
• The risk of undersea landslides and their potential to cause tsunamis along New Zealand's east coast is being investigated by scientists aboard the German research vessel RV Sonne as part of a month-long international collaboration. NIWA
• While Axial Seamount poses minimal immediate threat to human populations, the 2022 Hunga Tonga-Hunga Ha'apai eruption, which caused a Pacific-wide tsunami, underscores the need for preparedness. Gadgets 360
• University of Alaska Fairbanks researchers have devised a way to remotely detect large landslides within minutes of occurrence and to quickly determine whether they are close to open water and present a tsunami hazard. ScienceDaily
• More than a thousand earthquakes have rattled the Greek island of Santorini in recent days, raising concerns about the potential for a tsunami in the Mediterranean region. Yahoo News
• Globe constructs and retrofits towers to withstand extreme weather, factoring in risks such as flooding, earthquakes, tsunamis, and volcanic eruptions. GoodNewsPilipinas.com
• Most APEC economies are situated along the Pacific Ring of Fire, where strong earthquakes, tsunamis, and volcanic eruptions pose constant threats. APEC
• Japan continues to be vulnerable to a broad scope of public health risks including earthquakes, tsunamis, volcanic activity, floods, typhoons and the climate change emergency. UCL IRDR Blog
• The southwestern Portuguese coast, particularly the Algarve region, is at significant risk of an earthquake exceeding magnitude 8, which could generate a destructive tsunami. SpringerLink
• Indonesia faces high mortality risk due to multiple hazards including droughts, floods, earthquakes, landslides, and tsunami. PubMed Central (PMC)

Last updated: 26 May 2025