Publications#
Archival Journal Articles#
Ornelas, FJG, de la Torre, CA, and Stewart, JP (2026). Utilization of Spatially Distributed mHVSR to Assess the Effectiveness of Ground Response Analysis. Earthquake Spectra. Accepted
Conference Papers#
Ornelas, FJG, de la Torre, CA, Buckreis, TE, Nweke, CC, Brandenberg, SJ, and Stewart, JP (2025). Identification of Site Response Features Using Microtremor HVSR. Geo-Extremes 2025, Long Beach, CA, ASCE Geo-Institute.
Ornelas, FJG, de la Torre, CA, Buckreis, TE, Nweke, CC, Brandenberg, SJ, and Stewart, JP (2025). Preliminary ergodic site response model for California conditioned on mHVSR. SMIP25 Seminar of Utilization of Strong Motion Data, Web Conference, October 9, 2025, pp. 1-20.
Ornelas, FJG, CA de la Torre, and JP Stewart (2024). Implications of mHVSR spatial variability on site response predictability, SMIP2024 Seminar on Utilization of Strong Motion Data, Web Conference, October 17 2024, pp. 1-17.
Ornelas, FJG, CC Nweke, CA de la Torre, P Wang, TD Mai, BR Cox, SJ Brandenberg, and JP Stewart (2024). Reliability of low frequency mHVSR ordinates, 18th World Conference on Earthquake Engineering, Milan, Italy, July 1-5 2024, Session GEO10, 12 pages
Mai, D, Nweke, CC, Wang, P, and Ornelas, FJG (2024). Investigating the viability of low frequency mHVSR estimates using deep shear wave velocity profile. In Proceedings of the 18th World Conference on Earthquake Engineering.
Ornelas, FJG, Buckreis, T, Nweke, CC, Wang, P, de la Torre, C, Brandenberg, SJ, and Stewart, JP (2024). Preliminary observations of an ergodic site response model in California conditioned on Vs30 and HVSR parameters. Japanese Geotechnical Society Special Publication, 10(47), 1769-1774. https://doi.org/10.3208/jgssp.v10.OS-36-06
Posters#
Ornelas, FJG, de la Torre, CA, Buckreis, TE, Nweke, CC, Brandenberg, SJ, and Stewart, JP (2025). Application of Data-Driven Approaches for Estimation of Site Response Utilizing mHVSR and Soil-Based Proxies in California. Poster Presentation at 2025 SCEC Annual Meeting.
Ornelas, FJG, de la Torre, C. A., and Stewart, J. P. (2024). A Preliminary Framework for Evaluating the Effectiveness of 1D Ground Response Analysis at Vertical Array Sites Utilizing the Spatial Variability of mHVSR. Poster Presentation at 2024 SCEC Annual Meeting.
Reports#
O’Donnell, TM, Hudson, KS, Ornelas, FJG, Stewart, JP, Brandenberg, SJ, Nweke, CC, and Zimmaro, P (2024). Site characterization and liquefaction analysis at Searles Lake, CA following 2019 Ridgecrest Earthquake Sequence (Report No. 2024-03). UCLA Garrick Institute for the Risk Sciences.