Current Earthquake News and Events | Page 2

Current Earthquake News and Events, Earthquake News Articles.
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Detaching and uplifting, not bulldozing
ETH 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 models. (2020-09-17)

Most landslides in western Oregon triggered by heavy rainfall, not big earthquakes
Deep-seated landslides in the central Oregon Coast Range are triggered mostly by rainfall, not by large offshore earthquakes. (2020-09-16)

Ancient earthquake may have caused destruction of Canaanite palace at Tel Kabri
A team of Israeli and American researchers has uncovered new evidence that an earthquake may have caused the destruction and abandonment of a flourishing Canaanite palatial site about 3,700 years ago. (2020-09-11)

Deep underground forces explain quakes on San Andreas Fault
Rock-melting forces occurring much deeper in the Earth than previously understood drive tremors along a segment of the San Andreas Fault near Parkfield, Calif., new USC research shows. (2020-09-04)

The Le Teil earthquake provides new insights on seismic risk in France and Western Europe
On 11 November 2019, a magnitude 5 earthquake occurred near the village of Le Teil in the Rhône River Valley in southern France producing an unexpected surface rupture with ground displacement. For the first time in France, scientists had the opportunity to use all modern seismological, geodetical, and geological techniques available to study this historically unprecedented seismic event. Their results appear on 27 August 2020 in Communications Earth & Environment. (2020-08-27)

Rare 'boomerang' earthquake observed along Atlantic Ocean fault line
Scientists have tracked a 'boomerang' earthquake in the ocean for the first time, providing clues about how they could cause devastation on land. (2020-08-10)

Citizen scientists help geologists to identify earthquakes and tectonic tremors
A new study shows that citizen scientists can help professionals in identifying seismic events. Citizens not only identified earthquakes, but collectively also mastered the difficult task of recognizing tremors, which previously could only be done by professional seismologists. Through the manual classification of seismic Big Data, citizens can help scientists to build catalogs and map seismic activity and become better at understanding earthquakes. (2020-08-06)

Researchers: What's in oilfield wastewater matters for injection-induced earthquakes
Specifically, he pointed out that oilfield brine has much different properties, like density and viscosity, than pure water, and these differences affect the processes that cause fluid pressure to trigger earthquakes. (2020-08-06)

Optical seismometer survives "hellish" summit of Caribbean volcano
The heights of La Soufrière de Guadeloupe volcano can be hellish, sweltering at more than 48 degrees Celsius (120 degrees Fahrenheit) and swathed in billows of acidic gas. Researchers would like to monitor gas and steam eruptions at its summit, to learn more about the volcano's explosive potential, but conventional seismometers are destroyed quickly in the hostile environment. (2020-08-05)

"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)

COVID-19 lockdown caused 50% 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% between March and May 2020. (2020-07-23)

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 report in the Bulletin of the Seismological Society of America. (2020-07-21)

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, researchers from the International Research Institute of Disaster Science (IRIDeS) at Tohoku University and the Japan-Peru Center for Earthquake Engineering Research and Disaster Mitigation (CISMID, in Spanish), have successfully identified the flooding caused by Typhoon Hagibis. (2020-07-15)

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 in a study in the Geophysical Journal International. The densely populated area is centered in the Eifel region of Germany, and covers parts of Belgium, the Netherlands, France and Luxembourg. (2020-07-09)

The sixth sense of animals
Continuously observing animals with motion sensors could improve earthquake prediction. (2020-07-03)

Typhoon changed earthquake patterns
Intensive erosion can temporarily change the earthquake activity (seismicity) of a region significantly. This has now been shown for Taiwan by researchers from the GFZ German Research Centre for Geosciences in cooperation with international colleagues. They report on this in the journal ''Scientific Reports''. (2020-07-02)

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 & after earthquakes. After the 2016 Kumamoto earthquakes, a collaboration of scientists from Japan and the US analyzed stable isotope ratios of water samples collected before and after the disaster. This allowed them to clarify the cause of the rise in water level. (2020-07-01)

New research reveals how water in the deep Earth triggers earthquakes and tsunamis
In a new study, published in the journal Nature, an international team of scientists provide the first conclusive evidence directly linking deep Earth's water cycle and its expressions with magmatic productivity and earthquake activity. (2020-06-24)

Supply constraint from earthquakes in Japan in input-output analysis
Supply constraint from earthquakes in Japan was examined in IOA. (2020-06-24)

22,000 tiny tremblors illustrate 3D fault geometry and earthquake swarm evolution
By mapping the more than 22,000 tremblors, researchers composed a detailed, three-dimensional image of the complex fault structure below southern California's Cahuilla Valley. (2020-06-18)

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 zone. (2020-06-18)

Geoscientists create deeper look at processes below Earth's surface with 3D images
Geoscientists at The University of Texas at Dallas 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 surface. In a study published April 29 in Nature Communications, the research team described how it created images of mantle flows in a subduction region under Central America and the Caribbean Sea. (2020-06-17)

Past stressful experiences do not create resilience to future trauma, new study finds
Amid the COVID-19 pandemic, new research finds that past stressors and traumatic events increase vulnerability to mental illnesses, such as post-traumatic stress disorder (PTSD) and major depressive disorder (MDD). (2020-06-11)

Australia's ancient geology controls the pathways of modern earthquakes
New research near Uluru in Australia's arid centre shows that rock structures formed deep within the ancient Gondwana supercontinent controlled the rupture pathways of one of Australia's largest modern earthquakes. (2020-06-04)

New discovery could highlight areas where earthquakes are less likely to occur
Scientists from Cardiff University have discovered specific conditions that occur along the ocean floor where two tectonic plates are more likely to slowly creep past one another as opposed to drastically slipping and creating catastrophic earthquakes. (2020-06-02)

Designing a flexible material to protect buildings, military personnel
Now, a team of engineers led by Guoliang Huang, a James C. Dowell Professor in the Mechanical and Aerospace Engineering Department at the University of Missouri College of Engineering, has designed a flexible material that can help buildings withstand multiple waves of energy traveling through a solid material, including the simultaneous forward and backward and side-to-side motions found in earthquakes. (2020-05-26)

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)

Portland State researcher develops new model to accurately date historic earthquakes
Three earthquakes in the Monterey Bay Area, occurring in 1838, 1890 and 1906, happened without a doubt on the San Andreas Fault, according to a new paper by a Portland State University researcher. The paper, 'New Insights into Paleoseismic Age Models on the Northern San Andreas Fault: Charcoal In-built ages and Updated Earthquake Correlations,' was recently published in the Bulletin of the Seismological Society of America. (2020-05-14)

'Lettere patenti' help assess intensity of historic central Italian earthquakes
Three hundred-year-old administrative documents from the Roman government, granting residents permission to repair damage to their buildings, can help modern-day seismologists calculate intensities for a notable sequence of earthquakes that struck central Italy in 1703. (2020-05-13)

Fiber optics capture seismic signatures of the rose parade
Interesting signatures of the Rose Parade were captured by fiber optic telecommunications cable lying below the parade route. In Seismological Research Letters, Zhongwen Zhan of the California Institute of Technology and colleagues describe how they converted these dark or 'unused' fibers within cables into a dense seismic array. (2020-05-06)

Scientists observes changes in Earth's surface movement months before big earthquakes
Months prior to the earthquakes in Chile 2010 and Japan 2011, oscillations of the earth's surface occurred, in extensions of about 1,000 kilometers in each country, after which the decoupling of the tectonic plates was generated, causing both major earthquakes. (2020-05-06)

Model can predict hospital resilience for natural disasters, pandemics
CSU researchers have created a modeling tool that could help cities understand the full functionality and recovery of a healthcare system in the wake of a natural disaster. The model has wider implications for use in pandemics. (2020-04-29)

Does accelerated subduction precede great earthquakes?
A strange reversal of ground motion preceded two of the largest earthquakes in history. This is the result of a new study led by Jonathan Bedford of GFZ German Research Center for Geosciences. Together with international geoscientists he investigated signals recorded in Chile and Japan capturing the movement of GNSS stations before the great Maule quake in 2010 and the Tohoku-oki earthquake in 2011 which led to the tsunami and Fukushima nuclear meltdown. The scientists publish this in the latest issue of Nature. (2020-04-29)

'Wobble' may precede some great earthquakes, study shows
The land masses of Japan shifted from east to west to east again in the months before the strongest earthquake in the country's recorded history, a 2011 magnitude-9 earthquake that killed more than 15,500 people, new research shows. (2020-04-29)

Fracking and earthquake risk
Earthquakes caused by hydraulic fracturing can damage property and endanger lives. Stanford researchers have developed new guidelines for when to slow or halt fracking operations based on local risks. (2020-04-27)

New study finds connection between fault roughness and the magnitude of earthquakes
A new study led by McGill University has found that tectonic plates beneath the Earth's surface can show varying degrees of roughness and could help explain why certain earthquakes are stronger than others. (2020-04-24)

Seismic map of North America reveals geologic clues, earthquake hazards
A new stress map that reveals the forces acting on the planet's crust will contribute to safer energy exploration, updated seismic hazard maps and improved knowledge about the Earth. (2020-04-23)

Stanford study reveals a holistic way to measure the economic fallout from earthquakes
Officials know how to account for deaths, injuries and property damages after the shaking stops, but a study in Nature Sustainability, based on a hypothetical 7.2 magnitude quake near San Francisco, describes the first way to estimate the far greater financial fallout that such a disaster would have, especially on the poor. (2020-04-20)

Timing of large earthquakes follows a 'devil's staircase' pattern
At the regional level and worldwide, the occurrence of large shallow earthquakes appears to follow a mathematical pattern called the Devil's Staircase, where clusters of earthquake events are separated by long but irregular intervals of seismic quiet. (2020-04-14)

Social media can forecast economic impact of disasters including COVID-19 pandemic
Social media should be used to chart the economic impact and recovery of businesses in countries affected by the COVID-19 pandemic, according to new research published in Nature Communications. University of Bristol scientists describe a 'real time' method accurately trialled across three global natural disasters which could be used to reliably forecast the financial impact of the current global health crisis. (2020-04-08)

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