Scientists have discovered evidence of a type of seismic wave in the Sun using data from NASA's SOHO. The waves, called g-modes, reveal that the solar core is rotating approximately once every week, nearly four times faster than its surface.
Researchers found near-continuous tremor activity and 1,300 low-frequency earthquakes in the region, suggesting a connection to damaging earthquakes. The study used a novel 'beam back projection' method to track slow earthquakes minute-by-minute, revealing clusters of tremor sources with distinct properties.
Researchers developed a new technique combining seismic noise interferometry with geophysical measurements to predict volcanic eruptions. By analyzing the speed of energy traveling through a volcano and correlating it with rock deformation, they found a strong correlation between bulging, shrinking, and impending eruptions.
Researchers discover evidence of three past earthquakes in the area, one potentially magnitude 6 or greater, indicating active faulting and strong seismic activity. The study suggests that large earthquakes may have occurred in the late Pleistocene era during the last North American ice age.
Activity monitors have moderate validity compared to other measures of daily energy expenditure and physical activity, leaving out important information such as intensity of effort. Current accelerometers perform well at moderate walking speeds but struggle under other conditions.
New research reveals that commercial seismic surveys cause a two to three-fold increase in mortality of adult and larval zooplankton. The study found significant negative impacts on zooplankton populations up to 1.2 kilometers away from the air gun signals.
A new study reveals that large-scale water cycles in California have a modest impact on small-scale earthquake activity. Slight changes in ground stress associated with snow accumulation, snowmelt, runoff, and irrigation for agriculture influence earthquake likelihood.
Research finds that the southern half of the Tibetan Plateau formed in less than one-quarter of the time since India-Eurasia continental collision, with most of the uplift occurring when a denser lithospheric root broke away. The study's findings support a different scenario to the traditional theory on Tibet's formation.
Researchers used deep geophysical exploration and seismic tomography to study the deep tectonic environment of strong earthquakes in North China. Key findings include a complex tectonic setting with a listric normal fault and high-angle deep fault, and a low-velocity anomaly in the middle-lower crust
Geologists used radioactive elements trapped in calcite crystals to create a 'clock' that measured the age of each event, revealing 13 distinct seismic events over 400,000 years. The study sheds light on the mechanics of earthquakes in intraplate faults and their relationship with human activities.
Researchers at Nagoya University and their colleagues studied historical seismic events to shed light on the mechanisms behind earthquakes at a plate boundary. They found that stronger earthquakes involved ruptures at different sites, providing new insights into risk prediction tools for assessing earthquake likelihood and intensity.
Researchers at Peter the Great Saint-Petersburg Polytechnic University developed a new construction technology using nanostructured high-strength lightweight concrete. The system increases load-carrying capacity by over 200% and offers enhanced corrosion resistance, frost resistance, and seismic activity tolerance.
Researchers study Oklahoma's earthquakes to understand human-induced seismicity and its link to wastewater injection from oil and gas production. New seismic stations deployed across the state provide better insight into fore-and aftershocks and earthquake sequences.
Researchers study public knowledge about earthquake risk and building code preferences to develop effective communication strategies. The findings highlight the importance of using plain language, discussing likely outcomes, and limiting misinformation to effectively convey earthquake risk.
Researchers use seismic data acquisition and multi-attribute processing to locate hazardous underground voids left behind by coal mining in Wyoming. The integrated techniques help identify size, orientation, and shape of mining voids, ensuring rapid remediation efforts.
Researchers found signs of fault displacement at well-known rock outcrops in Colorado marking the end-Cretaceous asteroid impact. The study suggests massive seismic waves could have generated earthquakes as far away as Colorado.
Scientists have deployed hundreds of seismometers around the Old Faithful Geyser in Yellowstone National Park to gain a clearer picture of how it erupts. The seismic data offer insights into the active hydrothermal system below the geyser, which could help monitor less predictable geysers.
Researchers at Tohoku University used seismic tomography to image the three-dimensional structure of the Earth's interior, shedding new light on the deep Bonin deep earthquake. The study found that the Pacific slab is split and penetrated the lower mantle, with multiple factors contributing to its occurrence.
A new research project aims to explore the mechanisms causing earthquakes in the lower crust, accounting for 30% of intracontinental seismic activity. By combining geological and satellite observations with laboratory work, scientists hope to increase knowledge of geological processes and mitigate the dangers posed by such activity.
A newly analyzed fault system off California's coast is capable of producing earthquakes with magnitudes up to 7.3. The Newport-Inglewood/Rose Canyon faults are part of a single, continuous fault system that runs from San Diego to Los Angeles. This realization has significant implications for the state's densely populated urban areas.
The 2017 seismic hazard model forecasts lower damaging ground shaking levels in the central and eastern U.S., but Oklahoma and southern Kansas still face a significant risk of induced earthquake damage. For over 3 million people, the chance of damage is similar to natural earthquakes in high-hazard areas of California.
Scientists discover Quaternary ruptures along the Leech River fault, capable of producing earthquakes MW >6, highlighting seismic risk exposure. A new continent, Zealandia, geologically separate from Australia and Antarctica, is identified as a major geological entity.
A new study from the University of Eastern Finland found that high levels of moderate-to-vigorous physical activity are associated with lower arterial stiffness in 6-8-year-old children. Children who engage in at least 68 minutes of moderate-to-vigorous exercise per day have better arterial health.
Scientists have discovered a primordial soup in the Earth's mantle older than the moon, containing helium-3, a vestige of the Big Bang. Only the hottest and most buoyant mantle plumes draw from this reservoir, suggesting it may be preserved due to its density.
The new Cheyenne supercomputer provides a major tool for advancing understanding of the atmospheric and related Earth system sciences. Scientists will use it to study phenomena such as wildfires and seismic activity, leading to better protecting society from natural disasters.
Researchers at UBC Okanagan campus found that safety codes can result in overly reinforced bridges, wasting materials and increasing construction expenses. The study suggests a new approach to seismic design, prioritizing self-centering capability and reducing the need for costly demolitions.
Scientists discovered a seismic belt in the downgoing slab of the Pacific Plate, triggered by the sudden release of water due to temperature changes. The findings suggest that earthquakes occur when the mantle releases its water, which is correlated with the subduction rate and slab temperature.
Researchers found that increasing parental physical activity and reducing sedentary behavior correlates with increased physical activity behaviors in children. The study used movement monitors to objectively measure physical activity and found a significant association between parent and child behavior.
A new analysis published in the Bulletin of the Seismological Society of America suggests that a tiny North Korean seismic event in May 2010 was an earthquake, not a nuclear explosion. The study's findings contradict previous reports that claimed it was a small nuclear test.
Research at Tokyo Institute of Technology found that draining pore-fluids reduces tremors by lowering megathrust shear strength and facilitating shallow seismicity. The study suggests a correlation between fluid flux from the subducting slab and anti-correlated seismicity in the overlying plate.
Two new studies provide a step-by-step account of an underwater volcano eruption, revealing that deformation patterns and tidal activity can be used to estimate future eruptions. Monitoring magma pools underneath the Axial Seamount has been shown to help predict undersea eruptions.
The MyShake app has recorded nearly 400 earthquakes globally since its launch in February, providing valuable data on seismic activity. The app's performance shows it can complement traditional seismic networks and serve as a stand-alone system in areas with few stations, helping reduce earthquake-related injuries and damage.
Researchers presented insights from the Curiosity rover's study of Mount Sharp on Mars, which helps reconstruct the geological history of the area. Additionally, they developed a method to distinguish between natural and manmade earthquakes using seismic wave characteristics. Furthermore, scientists observed gamma-ray bursts triggered ...
A study published by Chapman University researchers found that higher psychological well-being is associated with greater levels of physical activity in older adults. The study, which followed 9,986 English adults over 11 years, suggests that boosting mental health may encourage physical activity and improve overall well-being.
Researchers found three areas of hot rock within the mantle beneath three separate volcanic provinces, indicating that Madagascar's volcanoes are not related to nearby tectonic activity. The study suggests that the island's unique geology, with a delaminated lithosphere and a mantle plume, led to the formation of these hot regions.
Stanford scientists created detailed stress maps to understand earthquake triggers in Texas and Oklahoma, identifying problematic faults and ideal orientations for earthquakes. The maps help predict seismic activity resulting from fluid injection, enabling companies and regulators to avoid these faults and prevent induced earthquakes.
A SUNY Geneseo composer is gathering information to compose music based on seismic data gathered at the Ross Ice Shelf in Antarctica. The music will express messages within the ice and be performed in both choral and instrumental music performances.
This research analyzes the 2010 Chile and 2011 New Zealand earthquakes that caused significant damage to reinforced concrete buildings. The study highlights key factors contributing to structural failure, including flexural compression failure, tension-compression failure, and plan/elevation irregularities.
New faults in Mt. Aso's magma chamber and volcanic cones alter spatial and mechanical properties of the volcano, potentially changing its eruption dynamics. The study suggests that the 2016 Kumamoto earthquake accelerated the timing of a future eruption by creating new channels for magma venting.
A recent study published in Sports Medicine found that exchanging sedentary behavior with even low-intensity physical activity reduces adipose tissue and enhances cardiorespiratory fitness in 6-8-year-old children. The intensity of physical activity is crucial for the association with enhanced cardiovascular fitness.
The collaboration aims to refine national seismic hazard models by sharing expertise and research topics. The focus section discusses different modeling approaches and primary audiences, providing insights into the consequences of similar megathrust earthquakes in each region.
Florida State University geology researcher Mainak Mookherjee explores feldspar elasticity to explain seismic discontinuity. At extreme pressures, feldspar decomposes into denser mineral phases, which could partially explain this phenomenon.
A new fault has been identified in the Salton Sea area of Southern California, which could impact current seismic hazard models and earthquake risk assessment. The discovery provides much-needed information on the intricate structure of earthquake faults beneath the sea and may offer new insights into the region's earthquake cycle.
A study from Duke-NUS Medical School found that activity trackers alone or with rewards did not increase physical activity levels. However, those who received cash rewards showed significant increases in activity. The benefits of tracking were short-lived, and participants returned to their previous activity levels after the incentives...
A randomized trial found that using an activity tracker did not increase physical activity enough to benefit health, even with financial incentives. Despite initial increases in exercise levels, participants stopped using the devices once incentives were removed.
Researchers developed a method to measure lithosphere strength using magnetotelluric imaging, revealing accurate descriptions of surface structures and correlating with volcanic and seismic activity. This technique may aid understanding of earthquake and volcanic processes.
A new study by Scripps Institution of Oceanography has discovered that large earthquakes on one fault can trigger large aftershocks on separate faults within minutes. This finding has significant implications for earthquake-prone regions like California, where complex fault systems may lead to mega-earthquakes.
A new IUCN guide outlines environmentally responsible seismic survey practices to minimize negative impacts on marine species. The guide provides a structured approach for planning and conducting low-noise surveys, reducing disruption of communication, stress, and behavioral changes in whales and other cetaceans.
Researchers propose large-scale metamaterials as seismic shields to protect areas from earthquake damage. The shields work by inhibiting the propagation of incoming seismic waves through interference effects.
A study found that geothermal energy production in the Salton Sea Geothermal Field increased the background seismicity rate, but not in other areas. The researchers used advanced models and earthquake data to analyze the connection between geothermal production and seismic activity.
A team of ASU researchers has found that major earthquakes can actually down-drop mountains while uplifting the surrounding foothills, challenging conventional wisdom on the mechanisms of mountain building. This new understanding may help anticipate seismic hazards in advance of devastating earthquakes.
Scientists found that sections of the West Napa Fault continued to slip after the primary earthquake, posing additional hazards to infrastructure. The afterslip caused certain areas to shift by as much as 40 centimeters in the month following the main earthquake.
A new study has found that smaller-scale processes in the Earth's mantle have a more significant impact on plate tectonics than previously thought. The research used high-resolution imaging to map the flow of the mantle beneath the ocean's tectonic plates, revealing that convection channels play a crucial role in driving plate movement.
A team of scientists has discovered that dormant volcanoes exhibit predictable quiet periods immediately before eruptions. Longer quiet periods indicate a bigger eruption. This discovery allows for the forecasting of impending eruptions and could revolutionize volcanic monitoring.
A new study suggests that the Riasi fault in Indian Kashmir has been building up pressure for thousands of years, potentially leading to a magnitude 8.0 or greater earthquake. The fault's lack of recent seismic activity increases the likelihood of a major event, posing a significant threat to millions of people in the region.
Researchers developed a new technique using ocean waves and seismic vibrations to monitor ice sheet volume changes, which may help scientists identify vulnerable regions. The technique has been shown to have high precision and can be used continuously, unlike traditional methods that only gather data several times a year.
Scientists have found that pieces of the underside of the North American Plate are peeling off, sinking into the mantle, and causing earthquakes in the southeastern US. This process is likely to produce more earthquakes in the future due to unbalanced stresses in the plate.
Crowd-sourced information on felt earthquakes is being integrated with data collected by seismometers, providing a more complete picture of an earthquake event. Citizen seismology offers a new window into the aftermath of earthquakes, including infrastructure damage and personal experiences.
A seismic network in Nevada is being used to monitor wildfires and provide early intelligence on more than 25 fires during the last fire season. The technology has the potential to remake firefighting by allowing for tactical suppression and scaling resources appropriately, saving time and money.
Researchers examine factors influencing induced earthquake locations and strengths in central US and western Canada. The USGS report estimates 7 million people live in areas affected by induced seismicity.