By: Peng, Yi; Bozorgnia, Yousef; Chalgham, Wadie; Mosleh, Ali; Donahue, Jennifer; Zhang, Wenyang; Honegger, Douglas; Ayello, Francois; Gossard, Justin; Finneran, Shane.
DOI: 10.34948/N3T887

This report presents the quantification of seismic risk for natural gas pipelines and gas storage facilities, as well as the development and application of the final product of the project: a user-friendly risk analysis software tool for estimating the probabilities of pipeline failure.

By: Esra Zengin, Saiid Saiidi, Yousef Bozorgnia
DOI: 10.34948/N3Z30Q

This study aims to investigate the impact of different ground motion selection and scaling (GMSS) approaches on the seismic response assessment of bridge structures. Nonlinear response history analyses (NRHAs) are conducted on a typical three-span bridge located in five sites across California.

By: Victor Contreras, Jonathan P. Stewart, Daniel De La Rosa, Juan M. Mayoral, Xyoli Pérez-Campos
DOI: 10.34948/N32S3P

This research extends data resources originally developed for Central America and Mexico for the NGA-Subduction (NGA-Sub) project database and uses the data to provide regional customization of global GMMs for application in Mexico.

By: Jonathan P. Stewart, Shako Mohammad, Chukwuebuka C. Nweke, Rashid Shams, Tristan E. Buckreis, Monica D. Kohler, and Yousef Bozorgnia
DOI: 10.34948/N36K5M

Among the global regions that experience shallow crustal earthquakes in active tectonic regions, southern California is among the most seismically active and most densely instrumented.

By: Silvia Mazzoni, Linda Al Atik, Nick Gregor, and Yousef Bozorgnia
DOI:10.34948/N3G01Q

This PSHA study and the resulting mean hazard curves, ground motions, and deaggregation results are input for the larger seismic risk analysis and resiliency study conducted for the natural gas infrastructure system including transmission lines and storage facilities throughout the state of California.

By: Linda Al Atik, Nick Gregor, Silvia Mazzoni, and Yousef Bozorgnia
DOI:10.34948/N3KS3B

This study presents the first implementation of directivity models in PSHA in a large-scale project covering the entire state of California.

By: Douglas Honegger
DOI: 10.34948/N3QG6M

A report on research conducted with support from California Energy Commission (CEC).

By: Jonathan P. Stewart, Domniki Asimaki, Grigorios Lavrentiadis, Ellen M. Rathje, Olaide Ojomo, Pengfei wang, and Paolo Zimmaro.
DOI: 10.34948/N3V88J

The report presents the data considered in the regional geo-hazards assessments, the methodologies for liquefaction and landslide displacements analyses and the grouping thereof into polygons, and the results of these analyses for an example region in southern California for scenario events.