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Natural Disasters 亚博棋牌平台
December 10, 2020

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Newly Discovered Greenland Plume Drives Thermal Activities in the Arctic

A team of researchers understands more about the melting of the Greenland ice sheet. They discovered a flow of hot rocks, known as a mantle plume, rising from the core-mantle boundary beneath central ...
Researchers used millimeter-sized crystals from the 1959 eruption of Hawaii's Kilauea Volcano to test models that offer insights about flow conditions prior to and during ...

Cluster of Alaskan Islands Could Be Single, Interconnected Giant Volcano

A small group of volcanic islands in Alaska's Aleutian chain might be part of a single, undiscovered giant volcano, say scientists. If the researchers' suspicions are correct, the newfound volcanic ...

Once in a Lifetime Floods to Become Regular Occurrences by End of Century

Superstorm Sandy brought flood-levels to the New York region that had not been seen in generations. Now, due to the impact of climate change, researchers have found that 100-year and 500-year flood ...
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Indonesian Wildfires a 'Fixable Problem'

Indonesian wildfires that cause widespread air pollution and vast carbon emissions are a 'fixable problem', according to the leader of a project set up to help tackle the ...

Mental Health Strained by Disaster

A new study found that suicide rates increase during all types of disasters -- including severe storms, floods, hurricanes and ice storms -- with the largest overall increase occurring two years ...

Large Volcanic Eruption Caused the Largest Mass Extinction

Researchers say they have found more concrete evidence of the volcanic cause of the largest mass extinction of life. Their research looked at two discrete eruption events: one that was previously ...

Mystery of Glacial Lake Floods Solved

A long-standing mystery in the study of glaciers was recently and serendipitously solved. A trigger was identified for some of the largest floods on Earth -- those emerging suddenly and unpredictably ...

Crystals Reveal the Danger of Sleeping Volcanoes

Most active volcanoes on Earth are dormant and are normally not considered hazardous. A team of volcanologists has devised a technique that can predict their devastating potential. The scientists ...

Smaller Earthquakes With 'Ambition' Produce the Most Ground Shaking

An earthquake of magnitude 8.0 or larger will almost always cause strong shaking, but a new study suggests that smaller earthquakes -- those around magnitude 5.5 or so -- are the cause of most ...

Effective Government Saves Lives in Cyclones, Other Disasters

Effective national and local governments are associated with fewer deaths from tropical cyclone disasters -- even in countries with similar levels of wealth and ...

Magma 'Conveyor Belt' Fuelled World's Longest Erupting Supervolcanoes

Geologists have found that a volcanic province in the Indian Ocean was the world's most continuously active -- erupting for 30 million years -- fueled by a constantly moving 'conveyor ...

New Drone Technology Improves Ability to Forecast Volcanic Eruptions

Specially-adapted drones have been gathering data from never-before-explored volcanoes that will enable local communities to better forecast future eruptions. The cutting-edge research at Manam ...

New Fault Zone Measurements Could Help Us to Understand Subduction Earthquakes

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 ...

Using a Volcano's Eruption 'Memory' to Forecast Dangerous Follow-on Explosions

Stromboli, the 'lighthouse of the Mediterranean', is known for its low-energy but persistent explosive eruptions, behaviour that is known scientifically as Strombolian activity. ...

Ancient Lake Contributed to Past San Andreas Fault Ruptures

The San Andreas fault, which runs along the western coast of North America and crosses dense population centers like Los Angeles, California, is one of the most-studied faults in North America ...

Bridges With Limb-Inspired Architecture Can Withstand Earthquakes, Cut Repair Costs

Structural damage to any of the nation's ailing bridges can come with a hefty price of billions of dollars in repairs. New bridge designs promise more damage-resistant structures and, ...

A New Technique Predicts How Earthquakes Would Affect a City's Hospitals

An international research team has developed a methodology to help disaster preparedness officials in large cities make contingency plans on a region-wide basis to make sure that emergency responders ...

AI Detects Hidden Earthquakes

Tiny movements in Earth's outermost layer may provide a Rosetta Stone for deciphering the physics and warning signs of big quakes. New algorithms that work a little like human vision are now ...

Wildfires Can Cause Dangerous Debris Flows

Wildfires don't stop being dangerous after the flames go out. Even one modest rainfall after a fire can cause a deadly landslide, according to new ...

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 now show that this view is too simplistic. Their results solve a key ...

Deep Magma Facilitates the Movement of Tectonic Plates

A small amount of molten rock located under tectonic plates encourages them to move. This is what scientists have recently discovered. Their new model takes into account not only the velocity of ...

New Evidence for Geologically Recent Earthquakes Near Portland, Oregon Metro Area

A paleoseismic trench dug across the Gales Creek fault, located about 35 kilometers (roughly 22 miles) west of Portland, Oregon, documents evidence for three surface-rupturing earthquakes that took ...

Lost and Found: Geologists 'Resurrect' Missing Tectonic Plate

A team of geologists believes they have found the lost plate known as Resurrection in northern Canada by using existing mantle tomography ...

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