Machine learning model generates realistic seismic waveforms – Los Alamos reporter

LANL News

A new machine learning model that generates realistic seismic waveforms will reduce manual work and improve seismic detection, according to a study recently published in JGR Solid Earth.

“To verify the effectiveness of our generative model, we applied it to seismic field data collected in Oklahoma,” said Yuzu Lin, computational scientist in the Geophysics Group at Los Alamos National Laboratory and lead investigator for the project. “Through a series of qualitative and quantitative tests and criteria, we have seen that our model can generate high-quality artificial waveforms and improve machine learning-based earthquake detection algorithms.”

Detecting earthquakes quickly and accurately can be a challenging task. Visual discovery by people has long been considered the gold standard, but it requires extensive manual work that does not lend itself to large data sets. In recent years, automatic detection methods based on machine learning have improved the accuracy and efficiency of data collection; However, the accuracy of these methods depends on accessing a large amount of high-quality, titled training data, often tens of thousands of records or more.

To solve this data dilemma, the research team developed SeismoGen based on the Generative Adversarial Network (GAN), a kind of deep generative model that can generate high-quality synthetic samples in multiple domains. In other words, deep generative models train machines to do things and create new data that can pass as real.

Once trained, the SeismoGen model is able to produce realistic seismic waveforms for multiple posters. When applied to real Earth seismic data sets in Oklahoma, the team saw that augmenting data from the artificial waveforms generated by SeismoGen could be used to improve earthquake detection algorithms in situations where only small amounts of labeled training data are available.

Paper: SeismoGen: Synthesis of Seismic Waveform Using GAN with Application to Augmentation of Seismic Data, Tiantong Wang, Daniel Trugman and Youzuo Lin. Published in JGR Solid Earth. April, Volume 126, Issue 4, e2020JB020077, 2021. DOI: 10.1029 / 2020JB020077

Funding: Research was supported by the Center for Space and Earth Sciences and the Laboratory-Oriented Research and Development Program under Project No. 20210542MFR at Los Alamos National Laboratory.

About Los Alamos National Laboratory (www.lanl.gov)

Los Alamos National Laboratory, a multidisciplinary research institution working in strategic science on behalf of national security, is administered by Triad, a public service-oriented national security science organization that is equally owned by its three founding members: The Battelle Memorial Institute (Battelle), Texas The A&M University System (TAMUS), and the University of California (UC) Governors of the Department of Energy’s National Nuclear Security Administration.

Los Alamos promotes national security by ensuring the safety and reliability of the US nuclear stockpile, developing technologies to reduce threats from weapons of mass destruction, and resolving issues related to energy, the environment, infrastructure, health, and global security concerns.

like him:

Like loading …

Related

What Are The Main Benefits Of Comparing Car Insurance Quotes Online

LOS ANGELES, CA / ACCESSWIRE / June 24, 2020, / Compare-autoinsurance.Org has launched a new blog post that presents the main benefits of comparing multiple car insurance quotes. For more info and free online quotes, please visit https://compare-autoinsurance.Org/the-advantages-of-comparing-prices-with-car-insurance-quotes-online/ The modern society has numerous technological advantages. One important advantage is the speed at which information is sent and received. With the help of the internet, the shopping habits of many persons have drastically changed. The car insurance industry hasn't remained untouched by these changes. On the internet, drivers can compare insurance prices and find out which sellers have the best offers. View photos The advantages of comparing online car insurance quotes are the following: Online quotes can be obtained from anywhere and at any time. Unlike physical insurance agencies, websites don't have a specific schedule and they are available at any time. Drivers that have busy working schedules, can compare quotes from anywhere and at any time, even at midnight. Multiple choices. Almost all insurance providers, no matter if they are well-known brands or just local insurers, have an online presence. Online quotes will allow policyholders the chance to discover multiple insurance companies and check their prices. Drivers are no longer required to get quotes from just a few known insurance companies. Also, local and regional insurers can provide lower insurance rates for the same services. Accurate insurance estimates. Online quotes can only be accurate if the customers provide accurate and real info about their car models and driving history. Lying about past driving incidents can make the price estimates to be lower, but when dealing with an insurance company lying to them is useless. Usually, insurance companies will do research about a potential customer before granting him coverage. Online quotes can be sorted easily. Although drivers are recommended to not choose a policy just based on its price, drivers can easily sort quotes by insurance price. Using brokerage websites will allow drivers to get quotes from multiple insurers, thus making the comparison faster and easier. For additional info, money-saving tips, and free car insurance quotes, visit https://compare-autoinsurance.Org/ Compare-autoinsurance.Org is an online provider of life, home, health, and auto insurance quotes. This website is unique because it does not simply stick to one kind of insurance provider, but brings the clients the best deals from many different online insurance carriers. In this way, clients have access to offers from multiple carriers all in one place: this website. On this site, customers have access to quotes for insurance plans from various agencies, such as local or nationwide agencies, brand names insurance companies, etc. "Online quotes can easily help drivers obtain better car insurance deals. All they have to do is to complete an online form with accurate and real info, then compare prices", said Russell Rabichev, Marketing Director of Internet Marketing Company. CONTACT: Company Name: Internet Marketing CompanyPerson for contact Name: Gurgu CPhone Number: (818) 359-3898Email: [email protected]: https://compare-autoinsurance.Org/ SOURCE: Compare-autoinsurance.Org View source version on accesswire.Com:https://www.Accesswire.Com/595055/What-Are-The-Main-Benefits-Of-Comparing-Car-Insurance-Quotes-Online View photos