Earthquakes Current Events

Earthquakes Current Events, Earthquakes News Articles.
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Induced quakes rattle less than tectonic quakes, except near epicenter
Induced earthquakes generate significantly lower shaking than tectonic earthquakes with comparable magnitudes, except within 10 km of the epicenter, according to a study to be published online Aug. 19 in the Bulletin of the Seismological Society of America. (2014-08-18)

Crowdsourced data can help researchers study earthquakes
A new study on how people feel the effects of earthquakes illustrates the value that members of the public can add to the scientific research process. (2016-11-23)

Cataloging Southern California's tiny hidden earthquakes
Nearly 1.8 million tiny tremblors have been added to the catalog of total seismic events in Southern California over the past decade, reports a new study, which details the most comprehensive earthquake catalog to date. (2019-04-18)

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)

Earthquake symmetry
A recent study investigated around 100,000 localized seismic events to search for patterns in the data. University of Tokyo Professor Satoshi Ide discovered that earthquakes of differing magnitudes have more in common than was previously thought. This suggests development of early warning systems may be more difficult than hoped. But conversely, similarities between some events indicate that predictable characteristics may aid researchers attempting to forecast seismic events. (2019-09-04)

Seismic doubleheader: Seismologist shows deep earthquakes come in pairs
Seismologists now know that deep earthquakes like to do just like baseball immortal Ernie Banks liked to : (2001-08-23)

UCL scientists create first earthquakes in the laboratory
Scientists at UCL have recreated earthquakes in the laboratory for the first time allowing them to better understand the origin of the largest and most violent earthquakes. This is the first time scientists have been able to generate and observe deep and intermediate focus earthquakes in the laboratory, recreating the exact pressure and temperature conditions of the deep earth. Their results have helped elucidate the origin of some of the largest and most violent earthquakes to occur on earth. (2002-11-14)

Earthquakes caused by clogged magma a warning sign of eruption, study shows
New research in Geophysical Research Letters examines earthquake swarms caused by mounting volcanic pressure which may signal an imminent eruption. The research team studied Augustine Volcano in Alaska which erupted in 2006 and found that precursory earthquakes were caused by a block in the lava flow. (2014-03-17)

How shale fracking led to an Ohio town's first 100 earthquakes
Since records began in 1776, the people of Youngstown, Ohio had never experienced an earthquake. However, from January 2011, 109 tremors were recorded and new research in Geophysical Research-Solid Earth reveals how this may be the result of shale fracking. (2013-08-19)

Parkfield segment of San Andreas fault may host occasional large earthquakes
Although magnitude 6 earthquakes occur about every 25 years along the Parkfield Segment of the San Andreas Fault, geophysical data suggest that the seismic slip induced by those magnitude 6 earthquakes alone does not match the long-term slip rates on this part of the San Andreas fault, researchers report November 28 in the Bulletin of the Seismological Society of America (BSSA). (2017-11-29)

Researchers reproduce mechanism of slow earthquakes
Up until now catching lightning in a bottle has been easier than reproducing a range of earthquakes in the laboratory, according to a team of seismologists who can now duplicate the range of fault slip modes found during earthquakes, quiet periods and slow earthquakes. (2016-03-31)

Pilot model forecasts complex earthquake sequences with increased accuracy
Scientists have validated a recently developed earthquake forecasting model based on observations of a complex earthquake sequence in Italy, which they say may lead to better global risk mitigation planning. The ability to accurately forecast earthquakes has remained a challenge. (2017-09-13)

MU researcher says the next large central US earthquake may not be in New Madrid
This December marks the bicentennial of the New Madrid earthquakes of 1811-12, which are the biggest earthquakes known to have occurred in the central US. Now, based on the earthquake record in China, a University of Missouri researcher says that mid-continent earthquakes tend to move among fault systems, so the next big earthquake in the central US may actually occur someplace else other than along the New Madrid faults. (2011-02-08)

Smaller earthquakes "with ambition" produce the most ground shaking
An earthquake of magnitude 8.0 or larger will almost always cause strong shaking, but a new study suggests that smaller earthquakes--those around magnitude 5.5 or so--are the cause of most occurrences of strong shaking at a 60-kilometer (37-mile) distance. (2020-11-04)

Hydraulic fracturing linked to earthquakes in Ohio
Hydraulic fracturing triggered a series of small earthquakes in 2013 on a previously unmapped fault in Harrison County, Ohio, according to a study published in the journal Seismological Research Letters. (2014-10-14)

Earthquakes caused by natural gas extraction generate house price decreases
Earthquakes in the northern parts of the Netherlands generate notable house price decreases. In a new study, economists Hans Koster and Jos van Ommeren from VU University Amsterdam, the Netherlands, have analyzed the negative economic effects for homeowners of earthquakes induced by gas extraction. Earthquakes with a magnitude above 2.2 are shown to generate house price decreases of about $2,750. (2015-03-24)

Iowa State engineer studies damage caused by New Zealand earthquake
Iowa State's Sri Sritharan is just back from New Zealand where he studied buildings damaged by the Feb. 22 earthquake. He was part of a team from the Engineering Research Institute that is trying to learn more about earthquakes and how to design buildings that resist earthquake damage. (2011-03-09)

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)

Strong Earth tides can trigger earthquakes, UCLA scientists report
Earthquakes can be triggered by the Earth's tides, UCLA scientists confirmed Oct. 21 in Science Express, the online journal of Science. Earth tides are produced by the gravitational pull of the moon and the sun on the Earth, causing the ocean's waters to slosh, which in turn raise and lower stress on faults roughly twice a day. Scientists have wondered about the effects of Earth tides for more than 100 years. (2004-10-21)

New model could help predict major earthquakes
Nagoya University-led researchers characterized several earthquakes that struck South America's west coast over the last 100 years by using seismographic data, tsunami recordings, and models of the rapid plate movements associated with these natural disasters. The team showed that some earthquakes were linked to the same sites of rupture at plate boundaries and others to different sites. Thus, they revealed the periodicity and intensity of earthquakes associated with particular sites, potentially aiding future earthquake prediction. (2017-04-26)

Are large earthquakes linked across the globe?
The past decade has been plagued with what seems to be a cluster of large earthquakes, with massive quakes striking Sumatra, Chile, Haiti and Japan since 2004. Some researchers have suggested that this cluster has occurred because the earthquakes may be 'communicating' across large distances, possibly triggering each other. But a new analysis by Tom Parsons and Eric Geist of USGS concludes that the cluster could just as well be the result of random chance. (2012-08-02)

West Coast earthquakes ongoing, scientists discover
The most recent evidence indicates there is an earthquake going on right now on the West Coast, yet no one feels it. The temblor, a so-called slow earthquake, has been ongoing since about Feb. 7, according to geologist Meghan Miller of Central Washington University in Ellensburg. She was among the first scientists to use GPS (global positioning system) technology to study earthquakes. (2002-03-28)

Rates of great earthquakes not affected by moon phases, day of year
There is an enduring myth that large earthquakes tend to happen during certain phases of the Moon or at certain times during the year. But a new analysis published in Seismological Research Letters confirms that this bit of earthquake lore is incorrect. (2018-01-16)

The area of influence of earthquakes could be larger than is currently thought
Dr. Álvaro Corral, a UAB Department of Physics researcher, studies the relationships between the time and place of earthquake occurrences using statistical physics methods. By analysing data on the distance between consecutive earthquakes, Dr. Corral has concluded that the area of influence of seismic activity could be larger than was thought until now. (2006-11-21)

New clues to deep earthquake mystery
A new understanding of our planet's deepest earthquakes could help unravel one of the most mysterious geophysical processes on Earth. (2020-05-27)

A new discovery helps us to understand the complex nature of earthquakes
Álvaro Corral, a physicist at the Universitat Autònoma de Barcelona, has discovered that the structure of the time interval between successive earthquakes is similar to the spatial structure of physics systems in the (2005-07-08)

University of Ottawa researchers find evidence to explain behavior of slow earthquakes
A team of researchers at the University of Ottawa has made an important breakthrough that will help better understand the origin and behavior of slow earthquakes. Their work presents unprecedented evidence that slow earthquakes are related to dynamic fluid processes at the boundary between tectonic plates. These slow earthquakes are quite complex, and many theoretical models of slow earthquakes require the pressure of these fluids to fluctuate during an earthquake cycle. (2020-01-23)

A new model found to predict earthquake propagation speed
In an article published on November 9th in Nature Geoscience, Jean-Paul Ampuero and Huihui Weng, two researchers from Université Côte d'Azur and the French National Research Institute for Sustainable Development (IRD-France) propose a new model to predict the propagation speed of earthquakes. (2020-11-09)

New analysis casts doubt on predicted decrease in Oklahoma earthquakes
The disposal of wastewater from oil and gas production by injecting it deep into the ground has been linked to a dramatic increase in earthquake activity in Oklahoma since 2009. Injection rates have declined recently because of regulatory actions and market forces, but seismologists say that has not yet significantly reduced the risk of potentially damaging earthquakes. (2017-08-09)

Himalayan megaquakes powered by elastic energy in Tibetan plateau, says U of Colorado study
Computer simulations indicate that Himalayan megaearthquakes must occur every 1,000 years or so to empty a reservoir of energy in southern Tibet not released by smaller earthquakes, according to a paper that will appear in the Nov. 9 issue of the journal Nature. (2006-11-08)

Helping to forecast earthquakes in Salt Lake Valley
Salt Lake Valley, home to the Salt Lake City segment of the Wasatch fault zone and the West Valley fault zone, has been the site of repeated surface-faulting earthquakes (of about magnitude 6.5 to 7). (2013-04-17)

Should we better prepare for earthquakes?
University of Adelaide researchers are leading an international project to help identify buildings most vulnerable to earthquakes and the best ways to strengthen them. (2011-12-14)

Global map to predict giant earthquakes
A team of international researchers, led by Monash University's Associate Professor Wouter Schellart, have developed a new global map of subduction zones, illustrating which ones are predicted to be capable of generating giant earthquakes and which ones are not. (2013-12-12)

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)

Stresses from past earthquakes explain location of seismic events
A study published in Nature Communications suggests the cumulative stresses caused by historic earthquakes could provide some explanation as to why and where they occur. The research involved a detailed analysis of centuries of earthquakes in central Italy, where unrivaled records of seismic events have been kept since 1349. (2019-06-21)

Signs of ancient earthquakes may raise risks for New Zealand
Researchers have uncovered the first geologic evidence that New Zealand's southern Hikurangi margin can rupture during large earthquakes. The two earthquakes took place within the last 1000 years, and one was accompanied by a tsunami, according to the study published in the Bulletin of the Seimological Society of America. (2015-05-18)

Study details evidence for past large earthquakes in the Eastern Tennessee seismic zone
The Eastern Tennessee Seismic Zone (ETSZ), a zone of small earthquakes stretching from northeastern Alabama to southwestern Virginia, may have generated earthquakes of magnitude 6 or greater within the last 25,000 years, according to a study published June 27 in the Bulletin of the Seismological Society of America. (2017-06-26)

OU geologist collaborates on study to determine mechanism associated with fault weakening
A University of Oklahoma structural geologist and collaborators are studying earthquake instability and the mechanisms associated with fault weakening during slip. The mechanism of this weakening is central to understanding earthquake sliding. (2015-05-18)

Appearance of deep-sea fish does not signal upcoming earthquake in Japan
The unusual appearance of deep-sea fish like the oarfish or slender ribbonfish in Japanese shallow waters does not mean that an earthquake is about to occur, according to a new statistical analysis. (2019-06-18)

Shake it up: Human-induced and natural earthquakes in central US are 'inherently similar'
The stresses released by human-induced and naturally occurring earthquakes in the central United States are in many cases indistinguishable, meaning that existing tools to predict shaking damage can be applied to both types. (2017-08-02)

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