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Latest Seismology Stories

2010-10-19 07:00:00

HOUSTON, Oct. 19 /PRNewswire/ -- LMKR, a global provider of geotechnology and information technology services, will showcase the latest geographic information system (GIS) and field planning solutions from GeoGraphix® at the 2010 Society of Exploration Geophysicists (SEG) International Exposition and 80th Annual Meeting in Denver, Oct. 17-22, 2010. Conference attendees are invited to join GeoGraphix product experts at Booth 2462 in Hall C at the Colorado Convention...

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2010-10-16 09:39:57

The magnitude 7.0 earthquake that caused more than 200,000 casualties and devastated Haiti's economy in January resulted not from the Enriquillo fault, as previously believed, but from slip on multiple faults -- primarily a previously unknown, subsurface fault -- according to a study published online this week in Nature Geoscience.In addition, because the earthquake did not involve slip near Earth's surface, the study suggests that it did not release all of the strain that has built up on...

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2010-10-06 08:34:41

COCONet will transform understanding of earthquakes, hurricanes in vulnerable region How can we better understand and assess seismic and other natural hazards in the Caribbean and Central America? What are the slip rates along active faults that bound the Caribbean tectonic plate? How is stress released at these plate boundaries? How sensitive is tropospheric water vapor content to changes in sea surface temperatures? How does the distribution of water vapor across the Caribbean region...

2010-09-29 07:00:00

TAMPA, Fla., Sept. 29 /PRNewswire/ -- Proper Power & Energy, Inc., (OTC Bulletin Board: PPWE) today released the balance of its commissioned seismic analysis of the Company's Central Utah play. In a prior release, the Company focused on the geological portion of Howard Dunn's opinion letter of the historic seismic data obtained by Proper Power from an independent source. Dunn's report goes on to opine, "The seismic data under review is located off-trend, approximately 100 - 180 km...

2010-09-28 13:10:00

GEORGE TOWN, Cayman Islands, Sept. 28 /PRNewswire/ -- Paradigm(TM) (www.pdgm.com), a leading provider of enterprise software solutions to the global oil and natural gas exploration and production (E&P) industry, will showcase its latest technologies at the International Exposition and 80th Annual Meeting of the Society of Exploration Geophysicists (SEG) in Denver, October 17 - 20. SEG attendees are invited to join Paradigm at booth # 1308 for a technical program focused on Redefining...

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2010-09-25 06:40:00

Scientists have wondered for some time why certain seismic waves travel more quickly through the core-mantle boundary, a thin layer of the Earth's interior that lies between about 1675 and 1800 miles below the surface. Now a new study by Yale University and the University of California, Berkeley sheds light on the mystery by showing how this region behaves under the extreme conditions found so deep in the Earth. The findings, which appeared in the Sept. 24 issue of the journal Science, have...

2010-09-23 13:00:00

TULSA, Okla., Sept. 23 /PRNewswire/ -- The International Association for Continuing Education and Training (IACET) has awarded the Society of Exploration Geophysicists (SEG) the prestigious Authorized Provider status. IACET Authorized Providers are the only organizations approved to offer IACET Continuing Education Units (CEUs). The recognition period extends for five years, and includes all programs offered or created during that time. "The SEG is very proud of our education programs...

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2010-09-23 10:45:00

A Princeton University-led research team has developed the capability to produce realistic movies of earthquakes based on complex computer simulations that can be made available worldwide within hours of a disastrous upheaval. The videos show waves of ground motion spreading out from an epicenter. In making them widely available, the team of computational seismologists and computer scientists aims to aid researchers working to improve understanding of earthquakes and develop better maps of...

2010-09-16 20:54:59

India slides under Tibet, but how? During the collision of India with the Eurasian continent, the Indian plate is pushed about 500 kilometers under Tibet, reaching a depth of 250 kilometers. The result of this largest collision in the world is the world's highest mountain range, but the tsunami in the Indian Ocean from 2004 was also created by earthquakes generated by this collision. The clash of the two continents is very complex, the Indian plate, for example, is compressed where it...

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2010-09-09 08:56:18

The complex fracture pattern created by the earthquake in Concepci³n (Chile) on February 27, 2010 was to a certain extent predictable. GPS observations from the years before the earthquake showed the pattern of stresses that had accumulated through the plate movements during the past 175 years in this area. The stress distribution derived from the observations correlates highly with the subsequent fracture distribution. In all likelihood the tremor removed all the stress that had...


Latest Seismology Reference Libraries

Seismology
2014-01-12 00:00:00

Seismology is the scientific study of earthquakes and the spread of elastic waves through the Earth or through other planet-like bodies. The field includes studies of earthquake effects, such as tsunamis in addition to diverse seismic sources such as tectonic, volcanic, oceanic, atmospheric, and artificial processes. A related field that utilizes geology to infer information regarding past earthquakes is paleoseismology. A recording of earth motion as a function of time is a seismogram. A...

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2010-11-15 18:30:29

The Richter scale assigns a single number to quantify the amount of seismic energy released by an earthquake. The scale uses a base-10 logarithm by calculating the logarithm of the combined horizontal amplitude of the largest displacement from zero on a particular type of seismometer. A earthquake measuring 5.0 on the Richter scale has a shaking amplitude 10 times larger than one that measures 4.0. The moment magnitude, calibrated to give generally similar value for medium-sized...

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2010-10-07 16:05:32

The Seismometer is an instrument designed to measure the motions of the ground. This includes seismic waves generated by earthquakes, nuclear explosions, and other seismic sources. Records of these activities allow seismologists to map the interior of the Earth, and locate and measure the size of the different sources. There are also seismographs, which is sometimes used in place of the word seismometer. However, a seismograph is the older instrument in which the measuring and recording...

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Word of the Day
cock-a-hoop
  • Exultant; jubilant; triumphant; on the high horse.
  • Tipsy; slightly intoxicated.
This word may come from the phrase 'to set cock on hoop,' or 'to drink festively.' Its origin otherwise is unclear. A theory, according to the Word Detective, is that it's a 'transliteration of the French phrase 'coq a huppe,' meaning a rooster displaying its crest ('huppe') in a pose of proud defiance.' Therefore, 'cock-a-hoop' would 'liken a drunken man to a boastful and aggressive rooster.'
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