The Structural Extreme Events Reconnaissance (StEER) Network has issued a Preliminary Virtual Reconnaissance Report (PVRR) for the seismic doublet that struck northern Venezuela on June 24, 2026: an Mw 7.2 earthquake followed 39 seconds later by an Mw 7.5 earthquake.
PEER has published Report No. 2025/18, Quantification of Urban and Community Resilience to Natural Hazards from Cell-Phone GPS-Location and Traffic-Flow Data. The report was authored by Nicos Makris, Georgios Chatzikyriakidis, Gholamreza Moghimi, and Tue Vu of Southern Methodist University in Dallas, Texas.
The winner of the 2025 PEER Blind Prediction Contest is a five-member team from Delft University of Technology, The Netherlands, and University of Bologna, Italy.
Team members include:
PEER has published Report No. 2025/17, Shake Table Testing of a Representative Surface Natural Gas Piping Subsystem. The report was authored by Sherif A. Elfass, David B. McCallen, Suiwen Wu of the Department of Civil and Environmental Engineering, University of Nevada, Reno.
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Abstract
PEER has published Report No. 2025/16, Experimental Study on the Cyclic Behavior of Welded Steel Tee Joints and Elbows. The report was authored by Elide Pantoli and Tara Hutchinson, of the Department of Structural Engineering, University of California, San Diego.
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Abstract
PEER has published Report No. 2025/15, Numerical Modeling and Seismic Fragility Curve Development: Components and Subsystems of the Natural Gas Surface Infrastructure. The report was authored by Elide Pantoli and Tara Hutchinson, of the Department of Structural Engineering, University of California, San Diego.
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Abstract
PEER has published Report No. 2025/14, Fragility Curves for Gas Leakage Through Caprock of the Underground Gas Storage Reservoir in California. The report was authored by Yingqi Zhang, Jonny Rutqvist, Preston Jordan, and William Foxall, of the Energy Geosciences Division, Lawrence Berkeley National Laboratory.
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Abstract
PEER has published Report No. 2025/13, Fragility of Wells due to Dynamic Shaking—The Impact of Ground Shaking on the Integrity of Natural Gas Storage Wells in California. The report was authored by Keurfon Luu, Preston Jordan, William Foxall, and Jonny Rutqvist of the Energy Geosciences Division, Lawrence Berkeley National Laboratory, and Floriana Petrone, University of Nevada, Reno.
PEER has published Report No. 2025/12, Fragility of Wells due to Fault Shearing—The Impact of Fault Displacement on the Integrity of Natural Gas Storage Wells in California. The report was authored by Tsubasa Sasaki, Preston Jordan, William Foxall, Jonny Rutqvist of the Energy Geosciences Division, Lawrence Berkeley National Laboratory, and Floriana Petrone, University of Nevada, Reno.
The impact of a PEER funded research project "Improvement of Capacity Models in the Caltrans Risk-Based Seismic Design (CT-RBSD) Procedure" is highlighted below. The project Principal Investigator (PI) is Mostafa Tazarv, University of Nevada, Reno. The Research Team includes Saiid Saiidi, University of Nevada, Reno.
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Research Impact:
The impact of a PEER funded research project "Modernization and Integration of the PEER Column Performance Database" is highlighted below. The project Principal Investigator (PI) is Marc O. Eberhard, University of Washington. The Research Team includes John Wallace, University of California, Los Angeles; Saman A. Abdullah, University of Sulaimani; Khalid Mosalam, University of California, Berkeley; and Aakash Bangalore Satish, University of California, Berkeley.
The impact of a PEER funded research project "Framework of Identifying Shear Cracking in Bridge Columns using Lidar" is highlighted below. The project Principal Investigator (PI) is Jeffrey Berman, University of Washington. The Research Team includes Marc Eberhard, University of Washington.
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Research Impact:
PEER has published Report No. 2025/11, Fragility Analysis of Buried Pipelines Derived from Finite-Element Soil-Pipeline Interaction Analysis. The report was authored by Daniel Hutabarat(Keller North America Inc.), Chris Bain (GEI Consultants, Inc.), Jonathan D. Bray and Norman Abrahamson (University of California, Berkeley), Thomas D. O’Rourke (Cornell University), and Scott Lindvall (Lettis Consultants International).
PEER has published Report No. 2025/10, OpenSRA Ground Failure Hazard Demands. The report was authored by Daniel Hutabarat (Keller North America Inc.), Chris Bain (GEI Consultants, Inc.), Jonathan D. Bray and Norman Abrahamson (University of California, Berkeley), Thomas D. O’Rourke (Cornell University), and Scott Lindvall (Lettis Consultants International).
PEER has published Report No. 2025/09, Sensing and Monitoring Technologies for Natural Gas and Pipeline Systems. The report was authored by Chien-Chih Wang, Sumeet Kumar Sinha, Peter Hubbard, Yong Liang, and Kenichi Soga of the Department of Civil and Environmental Engineering, University of California, Berkeley.
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PEER has published Report No. 2025/08, Efficient Risk Calculation and Epistemic Uncertainty Propagation for Performance-Based Earthquake Engineering Distributed Systems. It was authored by Maxime Lacour and Norman A. Abrahamson, Department of Civil and Environmental Engineering University of California, Berkeley.
The project team includes researchers from LBNL, UC Berkeley, UC San Diego, University of Nevada Reno, the NHERI SimCenter at UC Berkeley, and Slate Geotechnical Consultants and its subcontractors Lettis Consultants International (LCI) and Thomas O’Rourke.
PEER has published Report No. 2025/07, System Wide Natural Gas Infrastructure Response and Fragility Model Report. It was authored by Jennie Watson-Lamprey (CODA SEISMIC, Berkeley, California), and Micaela Largent and Barry Zheng (Slate Geotechnical Consultants, Oakland, California).
PEER has published Report No. 2025/06: "OpenSRA Validation Report." The report was authored by Christopher A. Bain, Jonathan D. Bray, Daniel Hutabarat, and Norman Abrahamson (University of California, Berkeley); Elide Pantoli and Tara Hutchinson (University of California, San Diego); Thomas D.
PEER has published Report No. 2025/05: "Open-source Seismic Risk Assessment (OpenSRA) Software Development." The report was authored by Barry Zheng, Micaela Largent (Slate Geotechnical Consultants); Jennie Watson-Lamprey (CODA SEISMIC).
PEER has published Report No. 2025/04: "Developing Software to Assess the Seismic Risk of Natural Gas Infrastructure: OpenSRA." The report was authored by Micaela Largent, Barry Zheng (Slate Geotechnical Consultants); Jonathan Bray, Norm Abrahamson (University of California, Berkeley); and Jennie Watson-Lamprey (CODA SEISMIC).