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NGA-West2 Earthquake Spectra Pre-print Papers now available

Earthquake Engineering Research Institute (EERI) will be publishing a special issue of its journal Earthquake Spectra (EQS) about PEER’s NGA-West2 project. The print version of the special issue of EQS will be published in August 2014. However, as a new … Continue reading


NGA-West2 research spurs updates to Ground Motion Site Amplification Factors in Building Code

The site amplification factors used to develop design-basis ground motions will be changing in the next revisions of several building code documents due to research conducted as a part of PEER’s NGA-West2 project.  These factors, commonly called Fa, Fv, and … Continue reading


NGA-West2 Flatfiles and GMPE Reports Now Available!

PEER’s NGA-West2 Program, one of our largest multi-year multidisciplinary mega research projects, is reaching its conclusion on various tasks and the first of its final products are now available! These products include many published reports describing the newly updated ground … Continue reading


Save the date! NGA-West2 Preliminary Results Workshop on November 15, 2012

The first public workshop for PEER's NGA-West2 program will take place at UC Berkeley on November 15th.  This workshop will highlight and share the findings that have developed from the project team over the last 2 years, including the preliminary … Continue reading


Subsurface data for Taiwan Strong Motion Instrumentation Program (TSMIP) now available

Subsurface data for Taiwan Strong Motion Instrumentation Program (TSMIP) stations are now available in electronic form via the Engineering Geological Database for TSMIP (EGDT), a joint effort between the National Center for Research on Earthquake Engineering (NCREE) and the Central … Continue reading


Original NGA West Project Awarded Outstanding Earthquake Spectra Paper of 2008

The EERI Board of Directors has selected the paper, “Comparisons of the NGA Ground-Motion Relations,” Earthquake Spectra, Vol. 24, No. 1, February, 2008, pp. 45—66, by Norman Abrahamson, Gail Atkinson, David Boore, Yousef Bozorgnia, Kenneth Campbell, Brian Chiou, I.M. Idriss, … Continue reading