tamjepp | Statewide California Earthquake Center

Tamara N. Jeppson

United States Geological Survey

Research geophysicist

Expertise: Rock Physics

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Smith, Z. D., Bürgmann, R., Yan, R., Waligora, F., Griffith, W. A., Nevitt, J. M., Gleeson, M., Jilly, C., Jeppson, T. N., Burdette, E., Materna, K., & Idzakovich, M. (2026, 08). Influence of fault zone overstrengthening on earthquake rupture across distributed fault networks: Insights from Ridgecrest, CA. Poster Presentation at 2026 SCEC Annual Meeting. SCEC Contribution 15368

Cebry, S. L., Jeppson, T. N., Lockner, D. A., & Burdette, E. (2026, 08). Transient Strain and Electrical Conductivity due to Fault Formation across Laboratory Stepovers. Poster Presentation at 2026 SCEC Annual Meeting. SCEC Contribution 15284

Jeppson, T. N., Lockner, D. A., Taron, J., Beeler, N. M., Hickman, S. H., Moore, D., & Kilgore, B. D. (2026, 08). Evolution of frictional strength and fluid flow in shear fractures in granitic rock under hydrothermal conditions. Poster Presentation at 2026 SCEC Annual Meeting. SCEC Contribution 15221

Jeppson, T. N., Lockner, D. A., Taron, J., Beeler, N. M., Hickman, S. H., & Moore, D. (2025, 09). Evolution of frictional strength and fluid flow in shear fractures in granitic rock under hydrothermal conditions. Poster Presentation at 2025 SCEC Annual Meeting. SCEC Contribution 14568

Jeppson, T. N., Lockner, D. A., & Moore, D. (2021, 08). Strength and fluid transmissivity evolution during shearing of laboratory faults under hydrothermal conditions. Poster Presentation at 2021 SCEC Annual Meeting. SCEC Contribution 11305

Last updated Aug 10, 2026.