A new statistical analysis published in the Bulletin of the Seismological Society of America has found no correlation between deep-sea fish appearances and earthquakes in Japan. Despite long-held folklore suggesting otherwise, researchers have only identified one potentially correlated event out of 336 sightings and 221 earthquakes.
SourceSeismological Society of America·JournalBulletin of the Seismological Society of America·DateJun 18, 2019
Researchers used satellite imagery to gather detailed information on earthquakes, including location, size of surface deformation, and proximity to population centers. This data improved analysis of earthquake impact and led to more accurate estimates of fatalities and economic losses.
SourceUniversity of Iowa·JournalRemote Sensing·DateJun 14, 2019
A comprehensive catalog of earthquake sequences in the Fort Worth Basin reveals a decrease in seismicity rates since 2014, corresponding to reduced wastewater injection. New faults have become active, and seismicity continues at greater distances from injection wells over time.
SourceSeismological Society of America·JournalBulletin of the Seismological Society of America·DateJun 11, 2019
A new study suggests that sleep disturbances are associated with mental health problems among survivors of a natural disaster, even two years after the event. The research found significant positive correlations between sleep disturbances and post-traumatic stress disorder (PTSD) and symptoms of depression.
SourceAmerican Academy of Sleep Medicine·JournalSLEEP·DateJun 7, 2019
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Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.
Researchers used supercomputers to simulate complex earthquake ruptures, documenting interactions between faults and analyzing results with advanced visualization software. The model helps understand how faults interact during earthquake rupture, enabling scientists to study past earthquakes and possible future scenarios.
SourceUniversity of Texas at Austin, Texas Advanced Computing Center·DateJun 3, 2019
Researchers have found a consistent pattern in GPS data that can detect signs of acceleration 10-15 seconds into an earthquake, potentially enhancing early warning systems. This discovery could strengthen the accuracy of seismic alerts, especially for magnitude 9 Cascadia subduction zone ruptures.
SourceUniversity of Oregon·JournalScience Advances·DateMay 29, 2019
A Stanford geophysicist discusses how a geothermal energy project in Pohang, South Korea, caused a magnitude 5.5 earthquake that injured dozens and forced residents into emergency housing. The study highlights flaws in common methods for minimizing earthquake risk when harnessing Earth's heat for energy.
SourceStanford's School of Earth, Energy & Environmental Sciences·JournalScience·DateMay 28, 2019
Researchers at Tufts University found that subsurface fluid injections can cause significant earthquake activity beyond the fluid diffusion zone. The study uses field experiment data and modeling of ground faults to support this hypothesis.
SAMSUNG T9 Portable SSD 2TB
SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.
Researchers found signs of ground failure, including slumped road ramps and liquefaction, in the aftermath of the 2018 Anchorage earthquake. The study suggests that shaking from the quake did not reactivate past landslides, likely due to its short duration.
A recent study suggests that reinforced concrete walls in Seattle may experience up to 11% larger displacement and a higher probability of collapse during magnitude 9 earthquakes due to basin effects. The research highlights the need for updated building codes and retrofits to mitigate potential damage.
A new study catalogs nearly 1.8 million tiny tremors in Southern California, filling gaps in the earthquake record and shedding light on geophysical processes. The analysis reveals that about 495 earthquakes occur each day in the region, with most being small and imperceptible.
SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateApr 18, 2019
Researchers investigated surface deformation caused by a 6.5 magnitude earthquake using field investigations, geologic data, seismic reflection profiles, and earthquake relocation results. The study suggests the Pishan earthquake is a folding event that occurred in the upper crust.
SourceGeological Society of America·JournalGeosphere·DateApr 18, 2019
A comprehensive new earthquake catalog has identified 1.81 million quakes in southern California, 10 times more than previously detected, providing a more precise picture of stress evolution in fault systems. The catalog will help researchers detect and locate quakes more precisely, identifying key physical and geographic details to pr...
SourceDOE/Los Alamos National Laboratory·JournalScience·DateApr 18, 2019
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A new method combines seismic data with crowdsourced information from the internet, smartphones, and Twitter to detect earthquakes more quickly. This approach reduces detection time for felt earthquakes to just 1-3 minutes, improving situational awareness.
SourceGFZ GeoForschungsZentrum Potsdam, Helmholtz Centre·JournalScience Advances·DateApr 3, 2019
A new study published in the Bulletin of the Seismological Society of America has revealed signs of the 1906 San Francisco earthquake in a high-resolution map of the offshore northern San Andreas Fault. The map shows two large zones of slope failure on the seafloor, indicating that the fault ruptured in multiple strands.
SourceSeismological Society of America·JournalBulletin of the Seismological Society of America·DateMar 27, 2019
A team of geophysicists from LMU München used simulations to study the 2016 Kaikoura earthquake, which ruptured over 20 fault segments. The model showed that a weakly loaded fault was boosted by gradual slippage and low frictional resistance.
SourceLudwig-Maximilians-Universität München·JournalNature Communications·DateMar 21, 2019
A new study by Chiara Cornelio finds that fluid viscosity directly impacts an earthquake's force. Laboratory tests and simulations show a clear correlation between fluid viscosity and earthquake intensity.
SourceEcole Polytechnique Fédérale de Lausanne·JournalNature Communications·DateMar 20, 2019
Apple iPad Pro 11-inch (M4)
Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.
Researchers at the University of Tokyo have developed a new way to sense earthquakes using gravitational signals, which can detect seismic waves ahead of time. The method has been proven reliable with 7-sigma accuracy and could lead to improved early warning systems that save lives.
Researchers used hourly water level records from tide gauges to detect episodic tremor and slip patterns in the Cascadia Subduction Zone. The study found that these events occurred every 14.6 months between 1996 and 2011, but not during the pre-GPS era, suggesting a potential change in the pattern over time.
SourceSeismological Society of America·JournalBulletin of the Seismological Society of America·DateFeb 15, 2019
Researchers found rough topography on the 660-km boundary, rivaling the Rocky Mountains and Appalachians, using data from a massive Bolivian earthquake. This discovery has significant implications for understanding the Earth's formation and function.
The study found that the Palu earthquake propagated unusually fast, identifying it as a supershear. Supershear earthquakes release more energy in a shorter time due to the rapid movement of the rupture along the fault.
SourceUniversity of California - Los Angeles·JournalNature Geoscience·DateFeb 12, 2019
Aranet4 Home CO2 Monitor
Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.
Researchers analyzed the Sulawesi island earthquake to identify its propagation speed of 4.1 km/s, which falls between seismic wave speeds. The study's findings suggest that steady rupture at unexpected speeds can occur on damaged rocks and may enhance cascading effects.
SourceInstitut de recherche pour le développement·JournalNature Geoscience·DateFeb 4, 2019
A mathematical model of a train's movements during the 1906 earthquake suggests ground shaking was equivalent to at least a 'severe' level. The calculations are consistent with previous simulations and provide insights into future earthquakes in the region.
SourceSeismological Society of America·JournalSeismological Research Letters·DateJan 30, 2019
A 2-month lasting ultra-slow earthquake occurred south of Istanbul, coinciding with moderate-sized seismicity at shallow depth. The study sheds light on the interaction between aseismic slow deformation and seismically released energy, enhancing regional seismic risk assessment for the densely populated city.
SourceGFZ GeoForschungsZentrum Potsdam, Helmholtz Centre·JournalEarth and Planetary Science Letters·DateJan 29, 2019
University of Arizona professor Robert Fleischman is leading an integrated research and teaching program in earthquake engineering at the University of Salento in Lecce, Italy. He will focus on retrofitting historic buildings and developing modern techniques for ancient structures.
SourceUniversity of Arizona College of Engineering·DateJan 25, 2019
Researchers from ETH Zurich developed a new model that simulates earthquake cycles in the Himalayas, predicting powerful earthquakes with a periodicity of 400 to 600 years. The model shows that medium-sized earthquakes can create conditions for even larger ones, leading to complete stress release in the rupture zone.
SourceETH Zurich·JournalNature Communications·DateJan 16, 2019
Kestrel 3000 Pocket Weather Meter
Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.
Researchers at the University of Texas at Austin developed a new computer modeling approach to investigate the connection between tiny tremors and devastating megathrust earthquakes. The study shows that changes in crustal stress state occur before major earthquakes, providing valuable insights into the forces driving these events.
SourceUniversity of Texas at Austin·JournalEarth and Planetary Science Letters·DateJan 9, 2019
Childhood malnutrition remained stable in Nepal's hardest hit areas despite the devastating 2015 earthquake. Household food insecurity decreased significantly, with child wasting rates declining by nearly half.
SourceJohns Hopkins Bloomberg School of Public Health·JournalPLOS ONE·DateJan 9, 2019
Researchers analyzed historical data to determine the sources of destructive Indonesian earthquakes, finding that intraslab earthquakes were responsible for many damaging quakes. The study suggests that Indonesia's 2010 and 2017 seismic hazard assessments perform well in predicting ground motion in key Javanese cities.
SourceSeismological Society of America·JournalBulletin of the Seismological Society of America·DateDec 11, 2018
Researchers are exploring answers to fill crucial gaps in understanding intra-slab earthquakes, which can be large magnitude and felt over a broad area. They found that local geology can dramatically change the earthquake's effects, highlighting the need for hazard assessments to include information about the deep earth.
AmScope B120C-5M Compound Microscope
AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.
Researchers from the University of Tokyo developed an AI-powered simulation that accurately models earthquake physics in urban centers, achieving a fourfold increase in speed. The new code adapts to precision needs and reduces computational power, enabling more efficient disaster response.
A study using algae deaths reveals the amount of uplift during the 2016 magnitude 7.6 Chiloé earthquake was approximately 25.8 centimeters, confirming a 3-meter maximum fault slip. This finding helps assess seismic hazards in the Chilean Subduction Zone and informs efforts to predict future major earthquakes.
SourceSeismological Society of America·JournalBulletin of the Seismological Society of America·DateNov 6, 2018
Researchers from GFZ found micro-earthquakes prior to a 4.2 magnitude earthquake in June 2016, south of Istanbul. The study suggests that analyzing these small events could extend warning times for future earthquakes in the region.
SourceGFZ GeoForschungsZentrum Potsdam, Helmholtz Centre·JournalScientific Reports·DateNov 1, 2018
Researchers found a deep, rupturing subduction zone earthquake that defies existing models, indicating the need for reevaluation of hazard maps and building codes. The study suggests seawater infiltration may have accelerated cooling in the Cocos plate, making it susceptible to tension earthquakes.
SourceUniversity of Oregon·JournalNature Geoscience·DateOct 24, 2018
The world's largest outdoor shake table at UC San Diego will now test heavy structures with complex ground motions, enabling researchers to gather critical data on tall wooden buildings and retrofitting systems.
Meta Quest 3 512GB
Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.
Researchers in India used GPS and satellite data to track crustal deformation around reservoirs, finding that seasonal filling can reduce the strength of nearby faults and trigger earthquakes. Even small reservoirs can cause significant deformation capable of triggering an earthquake if there are critically stressed faults in the region.
SourceSeismological Society of America·JournalBulletin of the Seismological Society of America·DateSep 25, 2018
Researchers developed a method to estimate seismic risk by modeling various earthquake scenarios and identifying common impacts. The study suggests that most scenarios produce lower impacts than the worst-case scenario, with urban areas posing less risk than rural western Nepal.
SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateSep 24, 2018
Researchers developed a new seismic risk modeling approach to assess earthquake impacts and identify common hazards across multiple scenarios. The 'ensemble modeling' method provides critical information on likelihood and probable scale of future earthquakes' impacts, enabling targeted disaster mitigation resources distribution.
SourceDurham University·JournalProceedings of the National Academy of Sciences·DateSep 24, 2018
A joint British-Italian team has shown that the clustering of three deadly quakes in Italy's Apennine mountains may have been caused by a cross-cutting network of underground faults. The research found that smaller faults prevented a single massive earthquake from occurring and also triggered later earthquakes.
SourceDurham University·JournalEarth and Planetary Science Letters·DateAug 23, 2018
Apple Watch Series 11 (GPS, 46mm)
Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.
Researchers from Columbia University and USGS develop a physics-based model that replicates California's statistical seismic hazard model. This breakthrough marks a turning point in earthquake forecasting, providing accurate hazard estimates for engineers and regulators to make informed decisions on building codes and construction costs.
SourceColumbia University·JournalScience Advances·DateAug 22, 2018
Researchers from EPFL and ENS Paris have discovered that highly pressurized water in the vicinity of an earthquake can reduce its intensity. This finding contradicts previous theories and highlights the importance of considering fluid pressure in geothermal models to accurately predict earthquake behavior.
SourceEcole Polytechnique Fédérale de Lausanne·JournalNature Communications·DateAug 6, 2018
Scientists at Oregon State University analyzed 44 years of seismic data and found clear evidence that tremors of magnitude 6.5 or larger trigger other quakes of magnitude 5.0 or larger.
SourceOregon State University·JournalScientific Reports·DateAug 2, 2018
Scientists have discovered regions with lower seismic wave velocities beneath both ends of the Cascadia fault zone, indicating rising pieces of the Earth's upper mantle. These anomalies could modulate plate coupling forces and influence the location, frequency, and strength of earthquake events.
SourceUniversity of Oregon·JournalGeophysical Research Letters·DateJul 24, 2018
Fluke 87V Industrial Digital Multimeter
Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.
Researchers at Tohoku University studied the 2011 Tohoku-oki earthquake to understand the causal mechanism. They used seismic tomography and found that both the upper Okhotsk plate and lower Pacific plate contributed to the formation of a hard patch responsible for the earthquake.
SourceTohoku University·JournalScience Advances·DateJul 4, 2018
Researchers have discovered a nearly 15.5-mile-long fault zone with two parallel master faults and hundreds of smaller cross faults at the southern tip of the San Andreas Fault. The 'Durmid Ladder' structure may be the site of the region's next major earthquake, posing an increased surface-rupture hazard.
SourceUtah State University·JournalLithosphere·DateJun 25, 2018
A global collaboration, CSEP, has been studying earthquake forecast models to assess their performance and predict future seismic activity. The experiments have shed light on the predictability of earthquakes, with some models proving useful for real-time warnings during major earthquakes.
SourceSeismological Society of America·JournalSeismological Research Letters·DateJun 12, 2018
A new Stanford study has re-examined the relationship between seismic data and earthquake prediction, concluding that foreshocks are unlikely to provide accurate warnings of impending earthquakes. Researchers found no evidence supporting the idea that slow slip or cascade models can be used for predictive purposes.
SourceStanford University·JournalNature Geoscience·DateJun 4, 2018
Rigol DP832 Triple-Output Bench Power Supply
Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.
Researchers have made a groundbreaking discovery of accelerating activity before a 2016 earthquake in central Alaska. The study found evidence for very low-frequency earthquakes, which do not typically exhibit the usual P and S waves associated with typical earthquakes.
SourceUniversity of Alaska Fairbanks·JournalNature Geoscience·DateJun 4, 2018
Researchers find that a flat continental shelf off Mexico's coast efficiently traps edge waves, leading to unusually long-lasting tsunami waves. This phenomenon could pose a significant tsunami hazard in other regions with similar shelf shapes, such as the Pacific Northwest and northern Japan.
Seismologists reexamine the risk of megathrust earthquakes in the Caribbean, considering tsunami scenarios for a magnitude 9.0 earthquake and its potential impact on emergency management planning.
Following the Kumamoto earthquake, investigators found a high risk of venous thromboembolism in people who remained seated in cars overnight. In many cases, this led to pulmonary thromboembolism, emphasizing the need for preventive measures and public awareness campaigns.
SourceElsevier·JournalCanadian Journal of Cardiology·DateMay 3, 2018
Researchers reexamined historical seismograms from the 1906 Meishan earthquake to uncover a new mechanism that better fits fault rupture and damage patterns. This discovery will help improve understanding of complex fault systems in the region.
SourceSeismological Society of America·JournalSeismological Research Letters·DateMay 1, 2018
DJI Air 3 (RC-N2)
DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.
Researchers have detected small earthquakes caused by migrating gases in the underground, particularly in the Istanbul-Marmara region. The study found that natural gas reservoirs near tectonic disturbances can trigger weaker earthquakes as a result of gas escaping and moving upwards.
SourceGFZ GeoForschungsZentrum Potsdam, Helmholtz Centre·JournalScientific Reports·DateMay 1, 2018
A 2017 Mw 5.4 Pohang earthquake in South Korea is believed to have been triggered by fluid injection at a nearby Enhanced Geothermal System (EGS) site, the largest-induced quake ever recorded at an EGS location.
SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateApr 26, 2018
Researchers analyzed 729 reports of abnormal animal behavior related to 160 earthquakes, but found that most evidence consists of single observations and anecdotes. The team suggests a series of questions to analyze the data, including whether animal behavior is linked to specific rules or environmental changes.
SourceSeismological Society of America·JournalBulletin of the Seismological Society of America·DateApr 17, 2018
Researchers at UMass Amherst and Japanese scientists report developing new techniques for modeling tsunami risk in the Nankai Trough, a region predicted to generate a magnitude 8-9 earthquake within the next few decades. The team's GPS-based methods simulate tsunami inundation and validate previous findings.
SourceUniversity of Massachusetts Amherst·JournalGeophysical Research Letters·DateApr 2, 2018
A study by GFZ scientists found that water pressure at the plate interface zone can lead to 'aquaplaning', initiating earthquakes. The researchers suggest that fluid pressure becomes close to lithostatic at deeper interfaces and lower at shallower ones, triggering catastrophic events.
SourceGFZ GeoForschungsZentrum Potsdam, Helmholtz Centre·JournalNature Geoscience·DateApr 2, 2018
Davis Instruments Vantage Pro2 Weather Station
Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.
A sediment core from Sluice Pond has identified a layer of light brown organic-rich mud deposited between 1740 and 1810, suggesting an underwater landslide possibly triggered by the 1755 Cape Ann earthquake. The discovery provides new evidence for historic seismic activity in New England.
SourceSeismological Society of America·JournalSeismological Research Letters·DateMar 27, 2018
A new model predicts landslide locations and runouts in near real-time, helping first responders plan reconnaissance flights and evacuate affected areas. However, the approach overpredicts landslides, limiting its use for exact location determination.
SourceSeismological Society of America·JournalBulletin of the Seismological Society of America·DateMar 26, 2018
Researchers developed a new measurement called Radiated Energy Enhancement Factor (REEF) to capture variations in earthquake rupture complexity, revealing regional patterns and differences in fault properties. This improvement could help seismologists better understand earthquake mechanics and hazards.
SourceUniversity of California - Santa Cruz·JournalScience Advances·DateMar 21, 2018