Current Tsunami News and Events

Current Tsunami News and Events, Tsunami News Articles.
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Retreating glacier presents landslide threat, tsunami risk in Alaskan fjord
Using NASA satellite imagery and software processing approaches, a group of geoscientists has discovered a landslide-generated tsunami threat in Barry Arm, Alaska, that will likely affect tourists and locals in the surrounding area in the next 20 years. (2020-11-13)

Landslide along Alaskan fjord could trigger tsunami
Scientists noted that the slope on Barry Arm fjord on Prince William Sound in southeastern Alaska slid some 120 meters from 2010 to 2017, a slow-moving landslide caused by glacial melt that could trigger a devastating tsunami. These are some of the first measurements to quantify how the slope is falling there; the study also models a potential tsunami. (2020-11-12)

A new model found to predict earthquake propagation speed
In an article published on November 9th in Nature Geoscience, Jean-Paul Ampuero and Huihui Weng, two researchers from Université Côte d'Azur and the French National Research Institute for Sustainable Development (IRD-France) propose a new model to predict the propagation speed of earthquakes. (2020-11-09)

New fault zone measurements could help us to understand subduction earthquake
University of Tsukuba researchers have conducted detailed structural analyses of a fault zone in central Japan to identify the specific conditions that lead to devastating earthquake. The seismic slip processes that were inferred based on the measurements may be applicable to other subduction zones, such as those below the oceans. The gathered data could be applied in future attempts to describe or model the subduction earthquakes that lead to ground shaking and tsunami risk. (2020-10-30)

Scientists improve model of landslide-induced tsunami
MIPT researchers Leopold Lobkovsky and Raissa Mazova, and their young colleagues from Nizhny Novgorod State Technical University have created a model of landslide-induced tsunamis that accounts for the initial location of the landslide body. Reported in Landslides, the model reveals that tsunami height is affected by the coastal slope and the position of the land mass before slipping. The highest and most devastating waves result from onshore landslide masses. (2020-10-19)

AI taught to rapidly assess disaster damage so humans know where help is needed most
Researchers trained an AI to assess post-disaster building damage just by looking at aerial images of the aftermath. (2020-09-30)

Earthquake lightning: Mysterious luminescence phenomena
Photoemission induced by rock fracturing can occur as a result of landslides associated with earthquakes. Factors involved in such earthquake lightnings were studied with granite, rhyolite, pyroclastic rock and limestone. (2020-09-28)

Dealing with the global tsunami of mental health problems during and post COVID-19
In a special session addressing global mental health before, during and after the COVID-19 pandemic held at the ESCMID Conference on Coronavirus Disease (ECCVID) Professor Vikram Patel H(arvard Medical School, USA) will present a new review of the impact of the COVID-19 pandemic on global mental health. (2020-09-25)

Rebirth of a volcano
Continued volcanic activity after the collapse of a volcano has not been documented in detail so far. Now and for the first time, researchers from the German Research Center for Geosciences GFZ and Russian volcanologists are presenting the results of a photogrammetric data series spanning seven decades for the Bezymianny volcano, Kamchatka, in the journal ''Nature Communications Earth and Environment''. (2020-09-10)

"Inchworm" pattern of Indonesian earthquake rupture powered seismic "boom"
A sonic boom-like seismic phenomenon of supershear rupture occurred during the 2018 Palu earthquake in Indonesia. University of Tsukuba researchers investigated the relationship between this phenomenon and the complex geometry of the Palu-Koro fault. An ''inchworm-like'' pattern of repeated rupture deceleration and acceleration along the fault was detected, associated with bends in the fault trace. This slip evolution may have enhanced the propagation of supershear rupture and contributed to the generation of the 2018 Palu tsunami. (2020-07-27)

Breakthrough in studying ancient DNA from Doggerland that separates the UK from Europe
Scientists from the School of Life Sciences at the University of Warwick have studied sedimentary ancient DNA (sedaDNA) from sediment deposits in the southern North Sea, an area which has not previously been linked to a tsunami that occurred 8150 years ago. (2020-07-16)

Taking a landslide's temperature to avert catastrophe
Duke engineers have developed a comprehensive model of deep-seated landslides and demonstrated that it can accurately recreate the dynamics of historic and current landslides occurring under varying conditions. The model points to the temperature of a thin layer of clay at the base of the landslide as critical to the potential for sudden cataclysmic failure. The approach is currently monitoring a landslide in Andorra and suggests methods for mitigating the risk of its escalation. (2020-06-15)

A rising tide of marine disease? How parasites respond to a warming world
A recent study from the University of Washington explores the ways parasitism will respond to climate change, providing researchers new insights into disease transmission. The paper was published May 18 in the journal Trends in Ecology and Evolution. (2020-05-29)

Tel Aviv University and IDC Herzliya researchers thwart large-scale cyberattack threat
A new study provides new details of a technique that could have allowed a relatively small number of computers to carry out DDoS (distributed denial of service) attacks on a massive scale, overwhelming targets with false requests for information until they were thrown offline. (2020-05-28)

FSU researcher detects unknown submarine landslides in Gulf of Mexico
A Florida State University researcher has used new detection methods to identify 85 previously unknown submarine landslides that occurred in the Gulf of Mexico between 2008 and 2015, leading to questions about the stability of oil rigs and other structures, such as pipelines built in the region. (2020-05-18)

Lockdown or lockup
Because of wide variation in demographic, case definition, testing and other parameters, comparisons are difficult. Future comparisons based on number of cases will be even more arbitrary as increased testing will skew the clinical to sub-clinical ratios. (2020-05-05)

Rethinking tsunami defense
Careful engineering of low, plant-covered hills along shorelines can mitigate tsunami risks with less disruption of coastal life and lower costs compared to seawalls. (2020-05-04)

COVID-19 from response to recovery: a Rx for success
The medical response can be optimized and thus limit the socio-economic damage by turning down the national level of fear and beginning the recovery process by reopening the economy in a methodical way. This can be accomplished through application of individual and community risk management at the local level that is not compatible with Nation-wide or State-wide blanket interventions. This will mitigate a follow-on, multi-pronged Public Health crises fueled by unemployment and educational disruption. (2020-04-22)

Disasters can affect cervical cancer screening for years
Screening is important for the early detection of cervical cancer, but rates were significantly affected, in some areas for years, following a devastating earthquake and tsunami in Japan. (2020-03-27)

Eclectic rocks influence earthquake types
New Zealand's largest fault is a jumble of mixed-up rocks of all shapes, sizes, compositions and origins. According to research from a global team of scientists, this motley mixture could help explain why the fault generates slow-motion earthquakes known as 'slow slip events' as well as destructive, tsunami-generating tremors. (2020-03-25)

Shifts in deep geologic structure may have magnified great 2011 Japan tsunami
Researchers say they have identified the origins of an unusual fault that probably magnified the catastrophic 2011 Japan tsunami. (2020-03-16)

Unstable rock pillars near reservoirs can produce dangerous water waves
In many coastal zones and gorges, unstable cliffs often fail when the foundation rock beneath them is crushed. Large water waves can be created, threatening human safety. In this week's Physics of Fluids, scientists reveal the mechanism by which these cliffs collapse, and how large, tsunami-like waves are created. Few experimental studies of this phenomenon have been carried out, so this work represents valuable new data that can be used to protect from impending disaster. (2020-03-03)

How earthquakes deform gravity
Researchers at the German Research Centre for Geosciences GFZ in Potsdam have developed an algorithm that for the first time can describe a gravitational signal caused by earthquakes with high accuracy. Tests with data from the 2011 earthquake near Fukushima show that the procedure could help to improve earthquake early warning systems in the future. (2020-02-21)

An early warning system for damage in composite materials
A team at the National Institute of Standards and Technology (NIST) has developed a tool to monitor changes in widely used composite materials known as fiber reinforced polymers (FRPs), which can be found in everything from aerospace and infrastructure to wind turbines. The new tool, integrated into these materials, can help measure the damage that occurs as they age. (2020-02-18)

Upper-plate earthquakes caused uplift along New Zealand's Northern Hikurangi Margin
Earthquakes along a complex series of faults in the upper plate of New Zealand's northern Hikurangi Subduction Margin were responsible for coastal uplift in the region, according to a new evaluation of local marine terraces. (2020-01-28)

New research uses optical solitons in lasers to explore naturally-occurring supramolecules
Researchers have collaborated to gain insight into naturally-occurring molecular systems using optical solitons in lasers. Optical solitons are packets of light that are bound together and move at a constant speed without changing shape. (2020-01-10)

Magnitude of Great Lisbon Earthquake may have been lower than previous estimates
The magnitude of the Great Lisbon Earthquake event, a historic and devastating earthquake and tsunami that struck Portugal on All Saints' Day in 1755, may not be as high as previously estimated. (2020-01-07)

Harnessing nature's defences against tsunamis
As sea levels rise and adverse weather events become more common, vulnerable coastal communities are at increasing risk of devastation from storm surges and tsunamis. The death toll from tsunamis was 260,000 during the past century. A research team led by the University of Göttingen has now compared the effects of man-made and ecosystem protection to propose an approach including mangroves and coral reefs in coastal protection. The results appeared in Trends in Ecology and Evolution. (2019-12-12)

Huge tsunami hit Oman 1,000 years ago
15-meter high waves that pushed boulders the weight of a Leopard tank inland: This is more or less how one can imagine the tsunami that hit the coast of today's Sultanate of Oman about 1,000 years ago, as concluded by a recent study by the universities of Bonn, Jena, Freiburg and RWTH Aachen. The findings also show how urgently the region needs a well-functioning early warning system. (2019-11-19)

Concrete with improved impact endurance for defense structures developed at FEFU
Engineers from the Military Studies Center at Far Eastern Federal University (MSC FEFU) developed a brand-new concrete with improved impact endurance and up to 40% made of waste: rice husk cinder, limestone crushing waste, and siliceous sand. The new concrete is 6-9 times more crackle resistant than the types produced under GOST standards. The related article was published in Inorganic Materials: Applied Research. (2019-10-30)

Did long ago tsunamis lead to mysterious, tropical fungal outbreak in Pacific northwest?
The Great Alaskan Earthquake of 1964 and the tsunamis it spawned may have washed a tropical fungus ashore, leading to a subsequent outbreak of often-fatal infections among people in coastal regions of the Pacific Northwest, according to a paper co-authored by researchers at the Johns Hopkins Bloomberg School of Public Health and the nonprofit Translational Genomics Research Institute (TGen), an affiliate of City of Hope. (2019-10-01)

Early warning signals heralded fatal collapse of Krakatau volcano
On 22 December 2018, a flank of the Anak Krakatau plunged into the Sunda strait between the Indonesian islands of Sumatra and Java, triggering a tsunami that killed 430 people. An international research team has now shown that the volcano produced clear warning signals before its collapse. The researchers recommend to use their study to improve monitoring of volcanoes. (2019-10-01)

'Treasure trove' of quake clues could be unearthed by wavy new technique
Geologists have improved upon methods to map seabed rocks, helping us better understand underwater earthquakes and the tsunamis they can cause. (2019-09-24)

Rocks at asteroid impact site record first day of dinosaur extinction
The research centers on the asteroid impact that wiped out non-avian dinosaurs, with the researchers getting the most detailed look yet of the aftermath that followed by examining the rocks and debris that filled the crater within the first 24 hours after impact. (2019-09-09)

Researchers uncover role of earthquake motions in triggering a 'surprise' tsunami
In newly published research, an international team of geologists, geophysicists, and mathematicians show how coupled computer models can accurately recreate the conditions leading to the world's deadliest natural disasters of 2018, the Palu earthquake and tsunami, which struck western Sulawesi, Indonesia in September last year. (2019-09-05)

SRL publishes focus section on Subduction Zone processes in the Americas
Researchers from around the globe share what they've learned from an unprecedented amount of data collected in the Latin American Subduction Zone over the past two decades. (2019-09-05)

Reconstructing Anak Krakatau flank collapse that caused Dec. 2018 Indonesian tsunami
A new study published in Geology presents the detailed observation of a tsunami-generating volcano collapse by remote sensing. The paper by Rebecca Williams of the University of Hull and colleagues analyzes the 2018 collapse of Anak Krakatau, which triggered a tsunami that claimed over 430 lives and devastated coastal communities along the Sunda Strait, Indonesia. (2019-08-30)

Alzheimer's & Dementia: The Journal of the Alzheimer's Association August 2019 issue
The August 2019 issue of the journal also features research about housing loss and cognitive decline, napping as an early marker of cognitive impairment and a special article on 'super-agers'. (2019-08-28)

Deducing the scale of tsunamis from the 'roundness' of deposited gravel
Scientists from Tokyo Metropolitan University and Ritsumeikan University have found a link between the 'roundness' distribution of tsunami deposits and how far tsunamis reach inland. They sampled the 'roundness' of gravel from different tsunamis in Koyadori, Japan, and found a common, abrupt change in composition approximately 40% of the 'inundation distance' from the shoreline, regardless of tsunami magnitude. Estimates of ancient tsunami size from geological deposits may help inform effective disaster mitigation. (2019-08-24)

Researchers develop improved method for studying tsunami risk to bridges, buildings, roads
Researchers are paving the way toward greater safety for coastal residents and infrastructure by developing a better means of modeling the destructive force of tsunami waves. (2019-08-14)

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