Current Subduction Zones News and Events

Current Subduction Zones News and Events, Subduction Zones News Articles.
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Slow motion precursors give earthquakes the fast slip
At a glacier near the South Pole, earth scientists have found evidence of a quiet, slow-motion fault slip that triggers strong, fast-slip earthquakes many miles away, according to Cornell University research published in Science Advances. (2021-02-16)

The 20 best places to tackle US farm nitrogen pollution
A pioneering study of U.S nitrogen use in agriculture has identified 20 places across the country where farmers, government, and citizens should target nitrogen reduction efforts. The 20 nitrogen ''hotspots of opportunity''--which appear on a striking map--represent a whopping 63% of the total surplus nitrogen balance in U.S. croplands, but only 24% of U.S. cropland area. Nitrogen inputs are so high in these areas that farmers can most likely reduce nitrogen use without hurting crop yields. (2021-02-16)

A new way to look for life-sustaining planets
A new system for mid-infrared exoplanet imaging in combination with long observation time allows ground-based telescopes to directly capture images of planets about three times the size of Earth within the habitable zones of nearby stars. (2021-02-10)

Forests of the world in 3D
Primeval forests are of great importance for biodiversity and global carbon and water cycling. The three-dimensional structure of forests plays an important role because it influences processes of gas and energy exchange with the atmosphere, and provides habitats for numerous species. An international research team led by Göttingen University investigated the variety of different complex structures found in the world's forests, and the factors that explain this diversity. Results were published in Nature Communications. (2021-02-05)

Controls needed to stop zebra mussels invading Great Britain
Research team call for more controls and monitoring around boat ramps to reduce the damage caused by zebra mussels. (2021-02-01)

Tsunamis and tsunami warning: recent progress and future prospects
There have been frequent tsunamis since the 21st century, drawing the attention of many countries on the study of tsunami mechanism and warning. Tsunami records also play an essential role in deriving earthquake rupture models in subduction zones. A recent paper reviews the recent progress and limitations of tsunami research, from the aspects of tsunami generation, propagation, inversion and warning. Potential tsunami warning strategies are discussed and future prospects on tsunami research are provided. (2021-02-01)

Thick lithosphere casts doubt on plate tectonics in Venus's geologically recent past
A study of a giant impact crater on Venus suggests that its lithosphere was too thick to have had Earth-like plate tectonics, at least for much of the past billion years. (2021-01-28)

Wet and wild: There's lots of water in the world's most explosive volcano
Conditions inside the Shiveluch volcano include roughly 10%-14% water by weight (wt%), according to research from Washington University in St. Louis. Most volcanoes have less than 1% water. For subduction zone volcanoes, the average is usually 4%, rarely exceeding 8 wt%, which is considered superhydrous. (2021-01-22)

Novel organoid models: Illuminating path to cervical cancers
How do tumors develop in the cervix? Many new details are now known about this question. This is also thanks to Dr. Cindrilla Chumduri from the Biocentre at the University of Würzburg. (2021-01-18)

Geologic history written in garnet sand
Syracuse University researchers probe deep secrets of trapped inclusions in garnet sand from Papua New Guinea (2021-01-14)

Human-made landscape promotes coexistence of two normally separated Andean warblers
In the mountains of world, species adapt to habitats in specific elevation zones that do not overlap with other species' elevation zones. Polish ornithologists, following the old traditions of Polish ornithology in South America, discovered that two Andean warbler species that typically occur at different elevations and hunt by tricking insects to escape can co-occur at the same elevation due to fragmentation of tropical montane forests caused by humans. (2020-12-24)

Slow start of plate tectonics despite a hot early Earth
Writing in PNAS, scientists from Cologne university present important new constraints showing that plate tectonics started relatively slow, although the early Earth's interior was much hotter than today. (2020-12-22)

The upside of volatile space weather
Although stellar flares are typically viewed as a detriment to habitability, study shows ''life might still have a fighting chance.'' Researchers find that flares drive a planets atmospheric composition to a new chemical equilibrium. (2020-12-21)

Deep, slow-slip action may direct largest earthquakes and their tsunamis
Megathrust earthquakes and subsequent tsunamis that originate in subduction zones like Cascadia -- Vancouver Island, Canada, to northern California -- are some of the most severe natural disasters in the world. Now a team of geoscientists thinks the key to understanding some of these destructive events may lie in the deep, gradual slow-slip behaviors beneath the subduction zones. This information might help in planning for future earthquakes in the area. (2020-12-21)

Oceans without oxygen
With no dissolved oxygen to sustain animals or plants, ocean anoxic zones are areas where only microbes suited to the environment can live. (2020-12-17)

Secret of Australia's volcanoes revealed
New research from the University of Sydney proposes a theory that explains not only Australia's volcanic coast, but provides a framework for other incidences of intraplate volcanism in China, the US and the Caribbean. (2020-12-16)

NBA 'bubble' reveals the ultimate home court advantage, study finds
Using the NBA's travel-less bubble as a natural experiment, a new statistical analysis suggests performance on the road depends on aligning the internal body clock with the new time zone and quality of sleep. (2020-12-11)

Planning ahead protects fish and fisheries
Conservation of fish and other marine life migrating from warming ocean waters will be more effective and also protect commercial fisheries if plans are made now to cope with climate change, according to a Rutgers-led study in the journal Science Advances. (2020-12-11)

How commercial vessels could become tsunami early-warning systems
If a tsunami formed along the Cascadia Subduction Zone off the coast of Oregon, residents might have just 20-30 minutes to get to safety. Scientists have proposed a new forecasting system that could provide seaside towns with critical early warnings. (2020-12-10)

New study helps pinpoint when earth's plate subduction began
According to findings published Dec. 9 in the journal Science Advances, plate subduction could have started 3.75 billion years ago, reshaping Earth's surface and setting the stage for a planet hospitable to life. (2020-12-09)

Researchers discover life in deep ocean sediments at or above water's boiling point
Research published today in the journal Science found single-celled organisms living in sediments 1180 meters beneath the ocean at temperatures of 120 degrees Celsius (2020-12-03)

Seismic guidelines underestimate impact of 'The Big One' on metro Vancouver buildings
Scientists examining the effects of a megathrust earthquake in the Pacific Northwest say tall buildings across Metro Vancouver will experience greater shaking than currently accounted for by Canada's national seismic hazard model. (2020-11-30)

Sheep show the contamination by microplastics in the agricultural soils of Murcia
A team from the Diverfarming project has found microplastics in 92% of the faeces of sheep fed in intensive agricultural zones of Murcia that they analysed (2020-11-25)

Areas where the next pandemic could emerge are revealed
An international team of human- and animal health experts has incorporated environmental, social and economic considerations -- including air transit centrality - to identify key areas at risk of leading to the next pandemic. Led by the University of Sydney and with academics spanning the United Kingdom, India and Ethiopia, the open-access paper shows the cities worldwide that require collective prompt attention. (2020-11-24)

Piecing together the Alaska coastline's fractured volcanic activity
Among seismologists, the geology of Alaska's earthquake- and volcano-rich coast from the Aleutian Islands to the southeast is fascinating, but not well understood. Now, with more sophisticated tools than before, a University of Massachusetts Amherst team reports unexpected new details about the area's tectonic plates and their relationships to volcanoes. (2020-11-17)

Former piece of Pacific Ocean floor imaged deep beneath China
In a study that gives new meaning to the term ''rock bottom,'' seismic researchers have discovered the underside of a rocky slab of Earth's lithosphere that has been pulled more than 400 miles beneath northeastern China by the process of tectonic subduction. (2020-11-16)

East African Rift System is slowly breaking away, with Madagascar splitting into pieces
''The rate of present-day break-up is millimeters per year, so it will be millions of years before new oceans start to form,'' said Stamps, an assistant professor in the Virginia Tech College of Science.  (2020-11-13)

The connectivity of multicomponent fluids in subduction zones
A team of researchers has discovered more about the grain-scale fluid connectivity beneath the earth's surface, shedding new light on fluid circulation and seismic velocity anomalies in subduction zones. (2020-11-12)

On the way to lifelike robots
In order for robots to be able to achieve more than simple automated machines in the future, they must not only have their own ''brain''. Empa researchers postulate that artificial intelligence must be expanded to include the capabilities of a Physical Artificial Intelligence, PAI. This will redefine the field of robotics and the relationship between man and machine. (2020-11-11)

Distinct slab interfaces found within mantle transition zone
Prof. CHEN Qifu's group from the Institute of Geology and Geophysics, Chinese Academy of Sciences (IGGCAS) and their collaborators observed two distinct seismic discontinuities within the mantle transition zone (~410 km to 660 km) beneath the western Pacific. (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)

Uncertainties key to balancing flood risk and cost in elevating houses
What do you have on your 2020 Bingo Card? Wildfire, heat wave, global pandemic, or flooding? If it's flooding, then it's a good bet it will happen in many places in the U.S. sometime during the year. (2020-10-26)

A new way of looking at the Earth's interior
Current understanding is that the chemical composition of the Earth's mantle is relatively homogeneous. But experiments conducted by ETH researchers now show that this view is too simplistic. Their results solve a key problem facing the geosciences - and raise some new questions. (2020-10-21)

SwRI researchers evaluate impact of wastewater systems on Edwards Aquifer
Southwest Research Institute developed an integrated hydrologic computer model to evaluate the impact of different types of wastewater disposal facilities on the Edwards Aquifer, the primary water source for San Antonio and its surrounding communities. The research results will guide authorities on what actions to take to protect the quality and quantity of water entering the aquifer. (2020-10-20)

Researchers question the existence of the social brain as a separate system
A team of Russian researchers with the participation of a leading researcher at HSE University, Ekaterina Pechenkova, found that during group problem solving the components of the social brain are co-activated, but they do not increase their coupling during cooperation as would be suggested for a holistic network. The study was published in Frontiers in Human Neuroscience. (2020-10-15)

Scientists show jet lag conditions impair immune response in mice
International researchers publishing in Science Advances reveal in a mouse study that chronic jet lag alters the microenvironment surrounding tumor cells, making it more favorable for tumor growth, and also hinders the body's natural immune defenses. (2020-10-14)

Sustainable space management at risk under US-centric policies
''Other nations need to speak up, now,'' argue Aaron Boley and Michael Byers in this Policy Forum, in response to U.S. policymakers' attempts to dominate commercial space mining based on a strategic interpretation of international space law. (2020-10-08)

RUDN University soil scientists: Green suburbs can be more harmful than city centers
A team of soil scientists from RUDN University confirmed that traditional approaches to urban soil pollution monitoring ignore actual risks for urban residents because they don't take into consideration the barrier function of the soil. The team used Moscow as an example to show that not only polluted downtown districts but also recreational parks and forest zones can pose a threat to people. (2020-10-07)

RUDN university summer school of soil sciences covered 5 climatic zones from the barents sea to the
A team of soil scientists from RUDN University organized a summer school to study urban soils in 5 climatic zones. Students from Germany, Russia, China, and the USA spent two weeks analyzing the state of soils and vegetation in cities and towns all the way from the Barents to the Azov Sea. The results of their study confirmed the effect of urbanization on the soil such as decrease of soil acidity, increase of carbon concentrations, and shrinkage of tree trunks by 40% -- 60%. (2020-10-05)

Marine biodiversity reshuffles under warmer and sea ice-free Pacific Arctic
Climate warming will alter marine community compositions as species are expected to shift poleward, significantly impacting the Arctic marine ecosystem. (2020-09-29)

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