Developing a Database of ENA Ground Motions for NGA East

Developing a Database of ENA Ground Motions for NGA East The stations and earthquakes used in the NGA East project so far.
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A five-year Next Generation Attenuation (NGA) East project to develop new ground motion prediction equations for stable continental regions (SCRs), including eastern North America (ENA), has begun at the Pacific Earthquake Engineering Research (PEER) Center funded by the Nuclear Regulatory Commission (NRC), the U.S. Geological Survey (USGS), the Electric Power Research Institute (EPRI), and the Department of Energy (DOE). As part of a pre-project effort, the NRC has funded the two-year initial development of an ENA database of ground motions similar to the NGA active-tectonic-regions strong-motion database. This initial effort focused on database design and collection of appropriate M>4 ENA broadband and accelerograph records to populate the database. Ongoing work under PEER funding will focus on adding records from smaller ENA earthquakes and from other SCRs such as Europe, Australia, and India. This effort to develop a database of ENA ground motions for the NGA East project has used waveform data from GSN and USArray stations.
</p><p>Acknowledgements: This research was supported under USGS cooperative agreement 07CRAG0015 and is currently supported by a contract with PEER.</p>

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