Earthquake Current Events

Earthquake Current Events, Earthquake News Articles.
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Early warning systems underestimate magnitude of large earthquakes
Scientists seek to create reliable early warning systems that accurately estimate the magnitude of an earthquake within the first seconds of rupture. In this paper published by the Bulletin of the Seismological Society of America, authors S. Murphy of University College Dublin, Ireland, and S. Nielsen of the Instituto Nazionale di Geofisica e Vulcanologia, Rome, Italy, look at the idea that an earthquake's final size can be determined during its initiation, rather than something that only becomes apparent at the end of the rupture. (2009-01-28)

Contractor ignorance kills earthquake victims in sesmic zones, says U. of Colorado professor
Hundreds of thousands of earthquake fatalities could be averted if building contractors and homeowners were alerted to elementary construction principles, especially in the world's six deadliest earthquake countries led by Iran, according to a University of Colorado at Boulder seismologist. (2004-12-15)

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)

Calculating tsunami risk for the US East Coast
The greatest threat of a tsunami for the US East Coast from a nearby offshore earthquake stretches from the coast of New England to New Jersey, according to John Ebel of Boston College, who presented his findings today at the Seismological Society of America 2013 Annual Meeting. (2013-04-19)

Smoking and natural disasters: Christchurch residents increase tobacco consumption post-earthquake
The prevalence of smoking in Christchurch, New Zealand, increased following the 2010 earthquake, according to a new study. (2012-09-04)

Earthquake damages neighboring fault, UCLA and USC scientists report
The 1999 magnitude 7.1 Hector Mine earthquake, in the Mojave Desert, damaged the fault that broke in the 7.3 magnitude Landers earthquake seven years earlier. The research, in Nature Jan. 30, marks the first time scientists have shown that one fault has been damaged by the shaking and stress from an earthquake on a different fault. (2003-01-30)

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)

Forecasting large earthquakes along the Wasatch Front, Utah
There is a 43 percent probability that the Wasatch Front region in Utah will experience at least one magnitude 6.75 or greater earthquake, and a 57 percent probability of at least one magnitude 6.0 earthquake, in the next 50 years, say researchers speaking at the 2017 Seismological Society of America's (SSA) Annual Meeting. (2017-04-13)

Assessing California earthquake forecasts
Earthquake prediction remains an imperfect science, but the best forecasts are about 10 times more accurate than a random prediction, according to a study published Sept. 26 in the journal Proceedings of the National Academy of Sciences. (2011-09-27)

Experts defend operational earthquake forecasting, counter critiques
Experts defend operational earthquake forecasting (OEF) in an editorial published in the Seismological Research Letters, arguing the importance of public communication as part of a suite of activities intended to improve public safety and mitigate damage from earthquakes. In a related article, Italian scientists detail the first official OEF system in Italy. (2014-09-01)

Earthquake in Chile: Deployment of the German Earthquake Task Force
A team of scientists from the (2007-11-16)

Megathrust quake faults weaker and less stressed than thought
Some of the inner workings of Earth's subduction zones and their 'megathrust' faults are revealed in a paper published today in the journal Science. US Geological Survey scientist Jeanne Hardebeck calculated the frictional strength of subduction zone faults worldwide, and the stresses they are under. Stresses in subduction zones are found to be low, although the smaller amount of stress can still lead to a great earthquake. (2015-09-10)

Non-reporting 'Did You Feel It?' areas can be used to improve earthquake intensity maps
The remarkable reach of the US Geological Survey's 'Did You Feel It?' website can be used to improve maps of earthquake intensity -- if non-reporting areas are including in the mapping analysis, according to a new study published online Feb. 1 in the journal Seismological Research Letters. (2017-01-31)

Geologists study China earthquake for glimpse into future
The May 12 earthquake that rocked Sichuan Province in China was the first there in recorded history and unexpected in its magnitude. Now a team of geoscientists is looking at the potential for future earthquakes due to earthquake-induced changes in stress. (2008-07-06)

Karen Felzer honored with Seismological Society of America's Richter Early Career Award
For her work, the Seismological Society of America will honor Felzer with its Charles F. Richter Early Career Award, which honors outstanding contributions to the goals of the Society by a member early in her or his career. (2010-04-12)

Aquaplaning in the geological underground
Scientists propose a mechanism that explains how the biggest earthquake ever happened and how more than 50 years later another large earthquake in the same region released some of the stress that had built up in the depth. Water pressure in the underground plays a crucial role in both cases. (2018-04-02)

Forecasting the next great San Francisco earthquake
The San Francisco Bay region has a 25 percent chance of a magnitude 7 or greater earthquake in the next 20 years, and a roughly 1 percent chance of such an earthquake each year, according to the (2005-10-13)

Industry corruption, shoddy construction likely contributed to Haiti quake devastation
The death toll in the massive 7.0 magnitude earthquake in Haiti Jan. 12 is expected to continue to rise in the coming days, likely in large part because of corruption and resulting shoddy construction practices in the poor Caribbean nation, according to a University of Colorado at Boulder seismologist. (2010-01-14)

Mw 5.4 Pohang earthquake tied to geothermal activity?
The Mw 5.4 Pohang earthquake that occurred near a geothermal site in South Korea last year was likely triggered by fluid injection at the geothermal plant, two separate reports conclude. (2018-04-26)

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)

Google street view -- tool for recording earthquake damage
A scientist from Cologne University has used Google's online street view scans to document the damage caused by the 2009 L'Aquila earthquake and suggests that the database would be a useful tool for surveying damage caused by future earthquakes. The findings are published in the Nov. issue of the Seismological Research Letters. (2013-10-30)

IODP partner announces urgent study in Sumatra
The Japan Agency for Marine-Earth Science and Technology (JAMSTEC) announced that it will conduct an urgent study of the large-scale earthquake which occurred off the coast of Sumatra in Indonesia on December 26, 2004. The study will be the first to observe the actual epicenter of the earthquake that devastated coastal regions in Asian countries along the Indian Ocean coastline. (2005-01-12)

Quick reconnaissance after 2018 Anchorage quake reveals signs of ground failure
A day after the Nov. 30, 2018, magnitude 7 earthquake in Anchorage, Alaska, US Geological Survey scientists Robert Witter and Adrian Bender had taken to the skies. The researchers were surveying the region from a helicopter, looking for signs of ground failure from landslides to liquefaction. (2019-04-26)

Millions awarded for earthquake monitoring
More than $7 million in cooperative agreements will be awarded for earthquake monitoring by the US Geological Survey in 2010. This funding will contribute to the development and operation of the USGS Advanced National Seismic System. (2010-05-03)

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)

Durham scientist explores Sichuan fault
Durham University expert, Alex Densmore, is to explore the fault lines that caused the May 12 earthquake in China that killed 69,000 people. (2008-08-13)

Satellite observations improve earthquake monitoring, response
Researchers at the University of Iowa and the United States Geologic Survey report data gathered by orbiting satellites can yield more information about destructive earthquakes and can improve aid and humanitarian response efforts. The researchers looked at satellite data from several recent, large-magnitude earthquakes. (2019-06-14)

Historical records help uncover new mechanism in deadly 1906 Taiwan quake
Researchers reexamining historical seismograms from the 1906 Meishan earthquake have uncovered a new mechanism for the quake, one of the deadliest to ever strike Taiwan. (2018-05-01)

2008 Wenchuan earthquake: a landmark in China's history
The devastating 2008 Wenchuan earthquake marks a defining moment for China's earthquake science program. The focus of a special November issue of the prestigious Bulletin of the Seismological Society of America (BSSA), the M 7.9 earthquake has garnered intense interest among seismologists, allowing the Chinese science community to demonstrate its capability to a global audience. (2010-11-05)

Researchers seek new ways to improve earthquake risk communications
The public wants to know more about earthquake risk and how best to manage it, surveys show, but scientists and engineers must adapt their communication skills to meet these public needs, researchers will report at the 2017 Seismological Society of America's (SSA) Annual Meeting. (2017-04-12)

Haresh Shah to deliver the annual John A. Blume Distinguished Lecture on Jan. 15
Haresh Shah, the Obayashi Professor (Emeritus) in the Stanford University School of Engineering, will deliver the fourth John A. Blume Distinguished Lecture on Thursday, Jan. 15, at 4:15 p.m. in the Tresidder Union Oak Room at Stanford. The lecture, (2004-01-12)

Monitoring Yellowstone earthquake swarms
Analysis of the recent swarm suggests epicenters migrated north over the 12-day period and maximum hypocenter depths abruptly shallowed from 12 km to 3 km depth at the time of rapid cessation of activity on Jan. 7. (2009-04-09)

Residual strain despite mega earthquake
On Christmas Day 2016, the earth trembled in southern Chile. In the same region, the strongest earthquake ever measured occurred in 1960. A comparison of data from seismic and geodetic measurements during and after both earthquakes shows that the energy released by the 2016 quake accumulated over more than 56 years. According to this, the 1960 quake, despite its immense strength, must have left some strain in the underground. The study has now been published in the journal Geophysical Journal International. (2017-12-13)

Developing a microinsurance plan for California earthquakes
Nine out of 10 Californians are uninsured against earthquake risk, which could slow economic recovery in neighborhoods and cities around the state after a damaging quake. On-demand or use-based small insurance policies -- sometimes called microinsurance -- could help fill in that financial gap, according to a presentation at the 2017 Seismological Society of America's (SSA) Annual Meeting. (2017-04-12)

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)

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)

How to respond to an earthquake: Lessons from China
China is an earthquake-prone country -- the 2008 Wenchuan earthquake affected more people than either the 2004 Indonesian earthquake that triggered a tsunami, or the 2010 earthquake in Haiti. The fourth paper in the Lancet themed issue on China analyzes the country's medical response, looks at how it improved preparations, and makes suggestions for how the national disaster medical response system can be better prepared in the future. (2012-03-01)

Earthquake Shakes Up More Than Alabama
Moderately damaging earthquakes occur about every 20 years in the United States east of the Rocky Mountains. Because of the types of rocks found in the East, earthquake waves travel much farther than they do in the West, so an Eastern earthquake is felt over a much larger area. (1997-10-24)

Sumatra earthquake three times larger than originally thought
Northwestern University seismologists have determined that the Dec. 26 Sumatra earthquake that set off a deadly tsunami throughout the Indian Ocean was three times larger than originally thought, making it the second largest earthquake ever instrumentally recorded and explaining why the tsunami was so destructive. By analyzing seismograms from the earthquake, the researchers calculated that the earthquake's magnitude measured 9.3, not 9.0, and thus was three times larger. (2005-02-07)

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)

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