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Earthquakes News
September 29, 2020

Top Headlines
 

How Earthquake Swarms Arise

A new fault simulator maps out how interactions between pressure, friction and fluids rising through a fault zone can lead to slow-motion quakes and seismic ...

Can Ripples on the Sun Help Predict Solar Flares?

Scientists discovered in 1996 that sunquakes are linked to solar flares. Now, using helioseismic holography, scientists have analyzed a 2011 flare and shown that the impulsive source that generated ...

Formation of the Alps: Detaching and Uplifting, Not Bulldozing

Researchers have used a computer model to test a new hypothesis about the formation of the Alps while simulating seismic activity in Switzerland. This will help improve current earthquake risk ...

Ancient Earthquake May Have Caused Destruction of Canaanite Palace at Tel Kabri

Researchers have uncovered new evidence that an earthquake may have caused the destruction and abandonment of a flourishing Canaanite palatial site ...
Latest Headlines
updated 11:07pm EDT

Earlier Headlines
 

Flood Risks: More Accurate Data Due to COVID-19

Emerging use of Global Navigation Satellite System (GNSS) makes it possible to continuously measure shallow changes in elevation of Earth surface. A study now shows that the quality of these ...

Is the Earth's Transition Zone Deforming Like the Upper Mantle?

Researchers have combined numerical modeling of dislocation glide and results from diffusion experiments to revisit the rheology of wadsleyite, ringwoodite and majorite garnet under geological strain ...

'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. Researchers investigated the relationship between this phenomenon and the complex ...

COVID-19 Lockdown Caused 50 Percent Global Reduction in Human-Linked Earth Vibrations

The lack of human activity during lockdown caused human-linked vibrations in the Earth to drop by an average of 50 percent between March and May ...

What Factors Influence the Likelihood of Fracking-Related Seismicity in Oklahoma?

The depth of a hydraulic fracturing well in Oklahoma, among other factors, increases the probability that fracking will lead to earthquake activity, according to a new ...

Geophysics: A First for a Unique Instrument

Geophysicists have measured Earth's spin and axis orientation with a novel ring laser, and provided the most precise determination of these parameters yet achieved by a ground-based instrument ...

A New Idea on How Earth's Outer Shell First Broke Into Tectonic Plates

Plate tectonics theory posits that Earth's outer shell is subdivided into plates that move relative to each other, concentrating most activity along the boundaries between plates, yet the ...

Using the Past to Predict the Future: The Case of Typhoon Hagibis

The past is often the window to our future, especially when it comes to natural disasters. Using data from the 2018 floods that struck southwestern Japan to calibrate a machine learning model, ...

New Evidence of Long-Term Volcanic, Seismic Risks in Northern Europe

An ancient European volcanic region may pose both a greater long-term volcanic risk and seismic risk to northwestern Europe than scientists had realized, geophysicists report. The densely populated ...

Study Could Rewrite Earth's History

New research has found evidence to suggest that the Earth's first continents were not formed by subduction in a modern-like plate tectonics environment as previously thought, and instead may ...

The Sixth Sense of Animals: An Early Warning System for Earthquakes?

Continuously observing animals with motion sensors could improve earthquake ...

Typhoon Changed Earthquake Patterns

Intensive erosion can temporarily change the earthquake activity (seismicity) of a region ...

Cause of Abnormal Groundwater Rise After Large Earthquake

Abnormal rises in groundwater levels after large earthquakes has been observed all over the world, but the cause has remained unknown due to a lack of comparative data before and after earthquakes. ...

Researchers Catch a Wave to Determine How Forces Control Granular Material Properties

Stress wave propagation through grainy, or granular, materials is important for detecting the magnitude of earthquakes, locating oil and gas reservoirs, designing acoustic insulation and designing ...

How Water in the Deep Earth Triggers Earthquakes and Tsunamis

Scientists provide the first conclusive evidence directly linking deep Earth's water cycle and its expressions with magmatic productivity and earthquake ...

Natural Fluid Injections Triggered Cahuilla Earthquake Swarm

Scientists generated a catalog of 22,000 seismic events from a four-year period to reveal the structure of an active fault ...

Geoscientists Create Deeper Look at Processes Below Earth's Surface With 3D Images

Geoscientists recently used massive amounts of earthquake data and supercomputers to generate high-resolution, 3D images of the dynamic geological processes taking place far below the Earth's ...

Remixed Mantle Suggests Early Start of Plate Tectonics

New research on the remixing of Earth's stratified deep interior suggests that global plate tectonic processes, which played a pivotal role in the existence of life on Earth, started to operate ...

Scientists Detect Unexpected Widespread Structures Near Earth's Core

A new study has produced the first analysis of seismic echoes from hundreds of earthquakes at once, revealing widespread structures at the core-mantle boundary. Previous studies were limited to ...

Utah's Arches Continue to Whisper Their Secrets

Two new studies show what can be learned from a short seismic checkup of natural rock arches and how erosion sculpts some arches -- like the iconic Delicate Arch -- into shapes that lend added ...

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