To obtain the time histories of the records, the user can download the record files from the online NGA-West2 database through the following steps:

•Access the online NGA-West2 database

•Click on the NGA-West2 database icon

•Log in with your credentials

•Search for records by their RSN and/or by supported record filters

•Click on the "Search" button

•Review the search results and choose the records you wish to download

•Download the records using the "Download Search Results (metadata+spectra)" or "Download Time Series Records (metadata+spectra+traces)" button

•Unzip the downloaded files and identify the records with the ".AT2" extension, which represent acceleration files.

•Copy the ".AT2" files and paste them into the NGA-West2 folder within the GMLibrary directory on your disk. The default location for the NGA-West2 folder is typically: C:\GMLibrary\NGA-West2.

Figure: PEER ground motion database website user interface

Figure: NGA-West2 record filters and search

Figure: NGA-West2 record search results

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