Seismosignal software was used in the evaluation of the. The user interface for geospatial exploration, discovery and access is provided using the commercial software. To access the database, go to the main page for the site, nga to get ground motion records, click on search in the middle of the second line of text from top. A test of the applicability of nga models to the strong. Geological survey and the southern california earthquake center. Properties of the investigated stations and strong ground motion data were taken from the strong ground motion database of turkey trnsmn and pacific earthquake engineering research centerenhancement of next generation attenuation relationships for western us peer nga west2 database. The database consists of two and threecomponent ground motion recordings from selected earthquakes in subduction zones.
The peer nga strongmotion databases, the associated flatfiles, reports, and. The ngawest2 ground motion database includes a very large set of ground. The peer ground motion database beta version is an interactive web based application that allows the user to select sets of strong ground motion acceleration time series that are representative of design ground motions. Ngawest pacific earthquake engineering research center. This database is a growing repository of ground motion records that is constantly evolving as new records are added. Atc63 near fault earthquake ground motion records with a pulse nga0181 nga0182 nga0292 nga0723 nga0802 nga0821 nga0828 nga0879 nga1063 nga1086 nga1165 nga1503 nga1529 nga1605 normalized to peer processed pgvsrss 104. A key component of the nga research project was the development of a strong motion database with improved quality and content that could be used for ground motion research as well as for.
The next generation of groundmotion attenuation models for the western united. Pacific earthquake engineering research center peer is pleased to announce. The database presented herein includes metadata and strong motion records thoroughly processed for 3,572 number of records from 477 events. It was developed as part of a large multidisciplinary research project coordinated by peer. The old ngawest online peer ground motion database tool has been taken off line. The pacific earthquake engineering research center peer is a ninecampus research center headquartered at the university of california, berkeley, working to develop, validate, and disseminate performancebased seismic design technologies for buildings and infrastructure to meet the diverse economic and safety needs of land owners and society.
The software implements an elastoplastic bilinear kinematic hardening constitutive model and uses a stateoftheart single step single solve time integration algorithm featuring exceptional speed, robustness and accuracy. This flatfile contains an archive of the ground motion records used for the development of the nga models. Technical report for the peer ground motion database. Development of the nga database was executed through the lifelines program of the peer. The old ngawest online peer ground motion database tool has been taken off.
The ground motion database used in the dgml consists of the peer nga data base created for the next generation of attenuation nga relationships project. Geological survey usgs, and other reliable sources including selected record sets from international sources. Selection and scaling of groung motion from nga peer database for response history analysis. Booreatkinson nga ground motion relations for the geometric mean horizontal. Ngawest2 ground motion model for the average horizontal.
The project now called nga west1 concluded in 2008 and provided several important products, including a strong motion database of recorded ground motions chiou et al. The nga west2 database includes over 21,000 threecomponent recordings from california and worldwide earthquakes with moment magnitudes m ranging from 3. A key component of the nga research project was the development of a strongmotion database with improved quality and content that could be used for groundmotion research as. The ngaeast ground motion characterization gmc model. This tutorial will show you how to search and scale earthquake records that are compatible with a target spectrum using the peer ground motion database beta version. Ngawest 2 equations for predicting pga, pgv, and 5%. Peer ground motion database tutorial scaled youtube. Html sectioned html pdf 678 kb gzipped ps comparisons of the nga ground motion relations. A computerbased environment for processing and selection. Csi etabs 20 download earthquake records from peer ground. Chapter 2 describes the results of a survey of available ground motion processing software and an evaluation of their relative suitability for use by wsdot. Highlights the study presents a matlab software environment integrated with finite element analysis. The advantage of the proposed platform is combining all the steps that are described in figure 1 together.
Peer ngawest2 online ground motion database updated and. The motions were then posted online as the 2005 peer nga database. In the early stage of the nga project developers embraced the idea of a common strongmotion database, from which individual records could be selected or ex cluded at the discretion of each developer. It can read data a large variety of file formats from the most common ground motion databases, such as the peer nga strong motion database peer 3, the european strong motion database esmd 4, chilean database uchile and. Earthquake spectra, earthquake engineering research institute, 241. The ngaeast database includes the two and threecomponent groundmotion recordings from numerous selected events m 2. The next generation of groundmotion attenuation models for the western united states nga west program was a multidisciplinary research program coordinated by the lifelines program of the pacific earthquake engineering research center peer, in partnership with the u. The ngawest 2 project database expands on the current peer nga. The ground motion predictions in the 2008 usgs national seismic hazard maps and used in airs latest u.
The nga database was built on the existing peer strongmotion database. An nga model for the average horizontal component of peak 173 ground motion and response spectra. The user specifies the design ground motions in terms. A comparison of nga groundmotion prediction equations to. A tenet of earthquake science is that faults are locked in position until they abruptly slip during the sudden strain. The database has one of the most comprehensive sets of metadata, including different distance measure, various site characterizations, earthquake source data, etc. Nga west 2 equations for predicting pga, pgv, and 5%damped psa for shallow crustal earthquakes david m. A highquality groundmotion database was the key to the success of nga model development. Based on the site condition of sutong bridge 55, twelve nonpulselike ground motion records are selected from peer nga strong motion database 56. The database includes time histories from cgssmip, u.
The ground motion database used in this study is a subset of the peer nga west2 database ancheta et al. The european strong motion database gives data of european accelerograms and. Within the broad field of earthquake engineering, peers research currently is focused on four thrusts, these being building systems, bridge and transportation systems, lifelines systems, and. Peer ngawest2 online ground motion database updated and expanded. The goal of this thrust areas is to develop new simulation models and methods for performancebased earthquake engineering assessment and design methodologies, develop modern simulation software tools taking advantage of information technology advances, deliver the software tools to the community, and educate students in simulation methods and information technology applications in earthquake. The nga east ground motion characterization gmc model christine goulet.
The approach for the development of the ground motion, station, and event data set, follows similar protocols to the nga. Quakemanager software for ground motion selection and scaling. The users of the peer ground motion database should use the latest and expanded ngawest 2 ground motion database at. Next generation attenuation relationships for western us. The target median and variance are computed using the boore and atkinson 2008 ground motion prediction model for a scenario earthquake of magnitude 7 occurring. This paper summarizes a ground motion database developed for the nga sub project. The aim is to improve the efficiency of earthquake ground motion selection. This work describes a public ground motion database that contains 3572 records from 477 earthquakes, and 181 seismic stations, which includes the recent. Those products and services that are available to the public can be obtained from the following sources. Data sciences pacific earthquake engineering research center.
Ground motion database used for development of nga models latest peer strong ground motion database. Nga project strongmotion database brian chiou, robert. You can filter out records based more than one hundered record attributes as defined in the peer nga flatfile such as. The applicability is demonstrated for an existing irregular, multistorey, rc building.
The new ngawest 2 database is larger than the old database by a factor of six, and also new features have been added to the new online tool. Quakemanager is the first and only software that simultaneously addresses all of the above representations of ground motion records, in a seamlessly integrated and elegantly designed user interface. Ground motion database beta version provides a supplementary search engine to allow users to search the database by nga numbers, earthquake names, and station names. Quakemanager provides users with integrated ground motion selection. The ngaeast database constitutes the largest database of processed recorded ground motions in stable continental regions srcs. Peer strong ground motion databases pacific earthquake. The pacific earthquake engineering research center peer ground motion database includes a very large set of ground motions recorded worldwide of shallow crustal earthquakes in active tectonic regimes. Nga project strong motion database brian chiou, robert darragh, nick gregor, and walter silva pp. Peer reports pacific earthquake engineering research center. Home pacific earthquake engineering research center. In most cases, this database is used to download ground motion record sets to be used in response hist ory analysis of structures. Peer arizona strong motion database and gmpes evaluation tadahiro kishida, robert e.
The software comes with predefined ground motion databases such as the sacsteel strong motion library including acceleration files and the nga. Openseismomatlab is an innovative opensource software for strong ground motion data processing, written in matlab. Download earthquake records from peer ground motion database ngawest2 berkeley. Strong ground motions generated by earthquakes on creeping. In addition to the groundmotion parameters, a large and. The development of attenuation relationship for northwest. The new search engine gives users flexibility to inspect any record in the database. The database used in this study comprises 863 twocomponent horizontal. Ezfrisk provides a very useful tool that allows you to search through the more than ten thousand records in the peer nga strong motion database in just a few minutes according to userdefined filters and criteria. The peer research program aims to provide data, models, and software tools to support a formalized performancebased earthquake engineering methodology. Pdf nga project strongmotion database researchgate. The software predicts in advance the variability of structural response quantities. This video gives information about, how to access peer website to get ground motion datatime history data.
Eeri we provide ground motion prediction equations for computing medians and. Related to nga program latest peer strong ground motion database. Need to further populate the ground motion space before rediscretizing into a manageable number of gmms. The peer reports series comprises stateoftheart research in earthquake engineering and related fields by the more than 150 expert members of the peer universities consortium. Recent studies comparing european and california strong ground motions three general approaches have been used to compare ground motions or gmpes between regions. The ngawest2 ground motion database includes a very large set of ground motions recorded in worldwide shallow crustal earthquakes in active tectonic regimes. Ground motion selection from nga peer database youtube. In most cases, this data base is used to download ground motion record sets to be used in response hist ory analysis of structures. Many researchers, practitioners, and organizations throughout the world are now using the nga west1 models and.
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