kporter | Statewide California Earthquake Center

Keith A. Porter

SPA Risk LLC

Adjoint Research Professor

Expertise: Performance based earthquake engineering, seismic vulnerability, loss modeling

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SCEC Mentor (2026 - Present)

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Legaspi, I., Win, S., Anderson, L., Jones, L. M., & Porter, K. A. (2026, 08). Seismic Retrofit Needs in Southern California Before the ShakeOut Earthquake, and the Cost of Dithering. Poster Presentation at 2026 SCEC Annual Meeting. SCEC Contribution 15416

Anderson, L., Legaspi, I., Win, S., Jones, L. M., & Porter, K. A. (2026, 08). Beyond the shaking: mapping human experience and recovery after a major earthquake. Poster Presentation at 2026 SCEC Annual Meeting. SCEC Contribution 15321

Field, E. H., Milner, K. R., & Porter, K. A. (2020). Assessing the value of removing earthquake-hazard-related epistemic uncertainties, exemplified using average annual loss in California. Earthquake Spectra, 36(4), 1912-1929. https://doi.org/10.1177/8755293020926185. SCEC Contribution 10055

Hudnut, K. W., Wein, A. M., Cox, D. A., Perry, S. C., Porter, K. A., Johnson, L. A., & Strauss, J. A. (2017, 07). The HayWired Scenario — How can the San Francisco bay region bounce back better?. Oral Presentation at 2017 SCEC Annual Meeting. SCEC Contribution 7311

Field, E., Porter, K., & Milner, K. (2017). A Prototype Operational Earthquake Loss Model for California Based on UCERF3-ETAS – A First Look at Valuation. Earthquake Spectra, 33(4), 1279-1299. https://doi.org/10.1193/011817EQS017M. SCEC Contribution 7279

Porter, K., Field, E., & Milner, K. (2017). Trimming a Hazard Logic Tree with a New Model-Order-Reduction Technique. Earthquake Spectra, 33(3), 857-874. https://doi.org/10.1193/092616EQS158M. SCEC Contribution 7145

Porter, K. A., Field, E. H., & Milner, K. R. (2016, 08). Trimming the UCERF3-TD Hazard Tree with a New Probabilistic Model-Reduction Technique. Poster Presentation at 2016 SCEC Annual Meeting. SCEC Contribution 7017

Porter, K. A., Farokhnia, K., Cho, I., Rossetto, T., Ioannou, I., Grant, D., Jaiswal, K., Wald, D. J., D'Ayala, D., Meslem, A., So, E., Kiremidjian, A. S., & Noh, H. (2012, 09). Global vulnerability estimation methods for the global earthquake model. Oral Presentation at 15th World Conference on Earthquake Engineering. SCEC Contribution 8958

Porter, K. A., Field, E. H., & Milner, K. R. (2012). Trimming the UCERF2 hazard logic tree. Seismological Research Letters, 83(5), 815-828. SCEC Contribution 2074

Porter, K. A., & Scawthorn, C. R. (2007). Open-Source Risk Estimation Software (Report ver 1.01). Pasadena, : SPA Risk LLC. SCEC Contribution 1063

Last updated Aug 25, 2026.

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