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‘Shazam’ inspired algorithm to locate earthquake risk zones

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Washington: Scientists have formulated a new algorithm to identify minor earthquakes which previously remained unknown the large ground motion measurement databases.

Even though microquakes are not life-threatening and don’t affect buildings or property much, their observation could help scientists better identify where bigger earthquakes could strike.

The algorithm, which is inspired by a popular song matching app called ‘Shazam’, is called Fingerprint and Similarity Thresholding, or FAST. Smaller quakes, which are not detected using conventional methods, and don’t even register as earthquakes, can be detected through this technology.

Waveform similarity was used extensively in seismology in the past decade through a process called template matching. This technique matches the seismic wave pattern of an earthquake to past recorded wave signatures in the database, explained Greg Beroza from Stanford School of Earth, Energy & Environmental Sciences.

However, to utilize this process, scientists need to know what signal they are looking for beforehand. The technique is also a time-consuming one.

Places such as Oklahoma and Arkansas could greatly benefit from this technology, as they have seen a rise in the number of minor quakes, which have been linked to hydraulic fracturing, or ‘fracking’. FAST could help properly identify risk areas.

The FAST technology needs to be tested over long time periods with a number of seismic stations to effectively predict when and where bigger quakes would strike.

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High-Risk Pregnancies Can Now Be Easily Spotted With Samsung’s New Ultrasound System

HERA is a new platform which stands for Hyper-aperture Enhanced Reconstruction Architecture, incorporating Samsung's new Crystal Architecture.

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Samsung, galaxy, Ultrasound system
Samsung's new ultrasound system to spot high-risk pregnancies. Flickr

Samsung Medison, a global medical equipment company and an affiliate of Samsung Electronics, on Sunday unveiled a new ultrasound system which is expected to facilitate the examination of high-risk pregnancies and early diagnosis of abnormal foetus conditions.

The new ultrasound system provides an 11-fold increase in processing power and 10 times the data transfer speed of the company’s previous system, Samsung said.

The company unveiled the new generation of premium ultrasound system HERA W10 and prototype of a chair-type ultrasound system HERA I10 at the 28th World Congress of the International Society of Ultrasound in Obstetrics and Gynecology (ISUOG) held here from October 21-24.

Ultrasound Images, Ultrasound System
Ultrasound Images, Pixabay

“Samsung is proud to introduce a new premium ultrasound system HERA W10 and a form factor innovation ultrasound HERA I10, as well as solutions that greatly improve the efficiency of hospitals,” said Dongsoo Jun, President of Health and Medical Equipment Business at Samsung Electronics and CEO of Samsung Medison.

Also Read: Samsung Launches Galaxy S4 Tab

HERA is a new platform which stands for Hyper-aperture Enhanced Reconstruction Architecture, incorporating Samsung’s new Crystal Architecture to provide advanced technology and capabilities with a new level of image quality.

The new platform combines Crystal Architecture with an advanced transducer technology called S-Vue. (IANS)

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