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Seismic Activity Current Events

Seismic Activity Current Events, Seismic Activity News Articles.
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Homing in on a potential pre-quake signal
In a new analysis of the 2004 magnitude 6.0 Parkfield earthquake in California, David Schaff suggests some limits on how changes measured by ambient seismic noise could be used as a pre-earthquake signal. (2012-08-02)
Special focus of the Seismological Research Letters May/June issue
The growing network of GPS stations has transformed the study of earthquakes. (2013-05-01)
Gravity: A faster method for gauging the size of great quakes
Immediately following Japan's 2011 Tohoku earthquake, while seismic waves still traveled to seismic stations to offer insight into the event's magnitude, seismographs recorded a gravity change reflective of this value, researchers report. (2017-11-30)
Study reveals seismic shift in methods used to track earthquakes
Scientists have developed a new technique to monitor movements beneath the Earth's surface, helping them better understand how earthquakes behave. (2009-09-02)
Unearthing the underground effects of earthquakes and volcanoes
Kyushu University (Japan) researchers analyzed high-resolution seismic velocity data from 36 seismograph stations across the island of Kyushu to identify variations before, during, and after the MW 7.0 2016 Kumamoto earthquake. (2017-12-06)
Major population centers may be at risk; building codes must reflect new seismic data
Earthquakes in stable continental regions lack sufficient understanding to prepare local populations for future seismic activity, according to a paper published in the February issue of the Bulletin of the Seismological Society of America. (2007-02-07)
Measuring the hazards of global aftershock
The entire world becomes an aftershock zone after a massive magnitude (M) 7 or larger earthquake -- but what hazard does this pose around the planet? (2013-04-19)
No Redoubt: Volcanic eruption forecasting improved
Forecasting volcanic eruptions with success is heavily dependent on recognizing well-established patterns of pre-eruption unrest in the monitoring data. (2013-04-29)
UT Knoxville-led team starts first-ever Tennessee Valley earthquake survey
A new research project at the University of Tennessee, Knoxville, funded by the Nuclear Regulatory Commission will provide the first-ever record of seismic activity in the Tennessee Valley, providing not only new information on past quakes but insight into future activity. (2009-06-03)
10 years of Soufriere Hills Volcano research published
The Soufriere Hills Volcano on Montserrat erupted in 1995, and an international team of researchers has studied this volcano from land and sea since then to understand the workings of andesite volcanos more completely. (2010-11-18)
Tecnalia Construction builds first seismic test bed in Spain
In its ongoing commitment to all kinds of testing involving the behavior of facades, the Building Envelopes Area at CIDEMCO-Tecnalia has completed the construction of the first seismic test bank created in Spain. (2009-11-24)
City of Ottawa sits atop soil, geologic features that amplify seismic waves
This study examines the local site response for the city of Ottawa, and the results indicate seismic waves may amplify ground motion greater than expected or referenced in the National Building Code of Canada. (2012-10-03)
Glaciers subject of 3 Penn State grants
Glaciers, water under the glaciers, seismic activity and robotic rovers are all part of three National Science Foundation Polar Program grants awarded to Sridhar Anandakrishnan, professor of geosciences, Penn State. (2009-11-02)
Peru Quake Occurred Outside Seismic 'Gap,' Bolstering Scholar's Theory
The occurrence of a large earthquake near the town of Nazca in southern Peru on Nov. (1996-12-06)
Above and beyond megathrusts: Draining pore-fluids dampens tremors
While metamorphic reactions in the subducting slab liberate large amounts of fluids, low-frequency earthquakes (LFE) largely occur beneath impermeable unmetamorphosed overlying plate, and are rare beneath metamorphosed plate. (2016-12-19)
Liverpool scientist discovers new layer of the Earth
A University of Liverpool scientist has discovered a new layer near the Earth's core, which will enable the internal temperature of the Earth's mantle to be measured at a much deeper level than previously possible. (2005-04-14)
Scientists find increase in microearthquakes after Chilean quake
By studying seismographs from the earthquake that hit Chile last February, Earth scientists at the Georgia Institute of Technology have found a statistically significant increase of microearthquakes in central California in the first few hours after the main shock. (2011-02-25)
URI geologist develops improved seismic model for monitoring nuclear explosions in Middle East
Geologists have taken an important step toward helping the United States government monitor nuclear explosions by improving a 3-dimensional model to make it more accurate at detecting the location, source and depth of seismic activity. (2010-12-16)
Gas-charged fluids creating seismicity associated with a Louisiana sinkhole
In August 2012, the emergence of a very large sinkhole at the Napoleonville Salt Dome in Louisiana offered University of California, Berkeley scientists the opportunity to detect, locate and analyze a rich sequence of 62 seismic events that occurred one day prior to its discovery. (2014-06-30)
Scientists detect seismic signals from tornado
An Indiana University geophysical experiment detected unusual seismic signals associated with tornadoes that struck regions across the Midwest last week -- information that may have value for meteorologists studying the atmospheric activity that precedes tornado disasters. (2012-03-08)
In California, large-scale water cycles impact quakes a little
In California, seasonal changes in large-scale water cycles modestly influence small-scale quake activity, a new study reports. (2017-06-15)
Earthquake faults may have played key role in shaping the culture of ancient Greece
The Ancient Greeks may have built sacred sites deliberately on land affected by previous earthquake activity, according to a new study by BBC presenter Iain Stewart MBE, Professor of Geoscience Communication at the University of Plymouth. (2017-09-12)
Researchers find a goldmine of seismic information
Seismic detectors placed in deep gold mines to monitor safety are shedding light on the small earthquakes not usually picked up by surface based seismic arrays, according to Penn State and Lawrence Livermore National Laboratory researchers. (2004-05-18)
Urbanization exposes French cities to greater seismic risk
French researchers have looked into data mining to develop a method for extracting information on the vulnerability of cities in regions of moderate risk, creating a proxy for assessing the probable resilience of buildings and infrastructure despite incomplete seismic inventories of buildings. (2014-03-07)
Fresh details about Silver Creek Fault in downtown San Jose, Calif.
The imaged fault zone indicates that the fault has been recently active and may pose a significantly high seismic hazard to the region. (2009-04-10)
Early-career investigator discovers current volcanic activity under West Antarctica
Scientists funded by the National Science Foundation have observed (2013-11-21)
Nothing special about seismic activity in Antarctica
Mysterious as the frozen continent may be, Antarctica is no different from any other landmass when it comes to the frequency of earthquakes, according to Penn State geoscientists. (2002-05-30)
'Bulges' in volcanoes could be used to predict eruptions
A team of researchers from the University of Cambridge have developed a new way of measuring the pressure inside volcanoes, and found that it can be a reliable indicator of future eruptions. (2017-06-28)
EARTH: Better warnings for consequences of earthquakes
Global seismic hazard maps exist to help societies and decision-makers anticipate and prepare for earthquakes. (2012-05-29)
SMU seismology research shows North Texas earthquakes occurring on 'dead' faults
Recent earthquakes in Texas' Fort Worth Basin - in the community of Venus and the Dallas suburb of Irving - occurred on faults not active for at least 300 million years, according to research led by Southern Methodist University (SMU). (2017-11-29)
Researchers Seek Seismic Secrets In Hawaii
An experiment designed to help researchers find out more about the earthquakes that occur when volcanoes erupt was set up near Hawaii's Kilauea Volcano this winter. (1996-10-10)
Latest California quake underscores reliability of U. of Colorado forecasting method
The magnitude 5.2 earthquake that occurred near Gilroy, Calif., on Monday was the fourth to have been correctly plotted on a forecast anomaly map developed by researchers at the University of Colorado's Cooperative Institute for Research in Environmental Sciences, or CIRES. (2002-05-16)
Storms, soccer matches hidden in seismometer noise
Who knew? The chance discovery that spikes in seismometer noise recorded in Africa corresponded with soccer matches has led to the discovery that there's a lot more buried in the noise, including a signal from the famous storms of the Southern Atlantic Ocean, the bane of ships of sail. (2011-01-15)
Interpreting images of Earth's interior
University of Michigan researchers unveiled a model that relates seismic velocity differences to properties of the mantle. (1999-12-13)
Researchers distinguish waves from mine collapses from other seismic activities
Researchers have devised a technology that can distinguish mine collapses from other seismic activity. (2008-07-10)
Seismic signature of small underground chemical blasts linked to gas released in explosion
After analyzing the seismic waves produced by small underground chemical explosions at a test site in Vermont, scientists say that some features of seismic waves could be affected by the amount of gas produced in the explosion. (2015-09-14)
Mega-landslide in giant Utah copper mine may have triggered earthquakes
Landslides are one of the most hazardous aspects of our planet, causing billions of dollars in damage and thousands of deaths each year. (2014-01-07)
Fracking confirmed as cause of rare 'felt' earthquake in Ohio
A new study links the March 2014 earthquakes in Poland Township, Ohio, to hydraulic fracturing that activated a previously unknown fault. (2015-01-05)
New NIST publication series addresses design of earthquake-resistant structures
As part of its support for the National Earthquake Hazards Reduction Program, NIST has released a publication that provides guidelines for designing a special type of structural frame used in regions with high seismic activity. (2008-09-04)
Alaska researchers improve their 'hearing' to detect volcanic eruptions
If a volcano explodes in the remote reaches of Alaska, will anyone hear it? (2016-04-04)
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