Arben Pitarka
Seismology
Lawrence Livermore National Laboratory
Lawrence Livermore National Laboratory
Seismologist
Expertise: Wave propagation modeling, Earthquake rupture modeling, Strong motion seismology
About Me
Publications
No bio available.
SCEC Board of Directors, Core Institution Member (2023 - 2024)
SCEC Participation
SCEC Proposal Review Committee, Member (2024 - 2026)SCEC Board of Directors, Core Institution Member (2023 - 2024)
Huang, J., Pitarka, A., Nakata, R., Houjun, T., & McCallen, D. B. (2026, 08). Performance evaluation of physics-based ground-motion simulations in the New Madrid region: effects of embayment structure and stochastic velocity variability. Poster Presentation at 2026 SCEC Annual Meeting. SCEC Contribution 15502
Graves, R. W., & Pitarka, A. (2026, 08). Refinements to the Graves-Pitarka (GP) Kinematic Rupture Generator. Poster Presentation at 2026 SCEC Annual Meeting. SCEC Contribution 15263
Graves, R. W., & Pitarka, A. (2010). Broadband Ground Motion Simulation Using a Hybrid Approach. Bulletin of the Seismological Society of America, (under review). SCEC Contribution 1428
Graves, R. W., & Pitarka, A. (2010). Broadband Ground Motion Simulation Using a Hybrid Approach. Bulletin of the Seismological Society of America, (under review). SCEC Contribution 1356
Xia, F., McCallen, D. B., & Pitarka, A. (2025, 09). An equivalent linear approach to material nonlinearity in regional simulations on a reduced domain. Poster Presentation at 2025 SCEC Annual Meeting. SCEC Contribution 14648
Aagaard, B., Marshall, S., Minson, S., Boyd, D., Denolle, M., Fielding, E., Gabriel, A., Goulet, C., Graymer, R., Hardebeck, J., Hatem, A., Hirakawa, E., Huynh, T., Hwang, L., Luttrell, K., Materna, K., Montesi, L., Oskin, M., Rodgers, A., Pitarka, A., & Zachariasen, J. (2025). 2024 California Community Earth Models for Seismic Hazard Assessments Workshop Report. , : . https://doi.org/10.48550/arXiv.2503.11545. SCEC Contribution 14178
Xia, F., & Pitarka, A. (2024, 09). Development of a Nonlinear Soil Model in SW4 (Seismic Waves, 4th Order). Poster Presentation at 2024 SCEC Annual Meeting. SCEC Contribution 13825
McCallen, D. B., & Pitarka, A. (2023, 09). Application of the EarthQuake SIMulation (EQSIM) framework for GPU-accelerated computers to San Francisco Bay Area earthquake simulations. Oral Presentation at 2023 SCEC Annual Meeting. SCEC Contribution 13301
Pinilla Ramos, C., Pitarka, A., McCallen, D. B., & Nakata, R. (2023, 09). Performance evaluation of the USGS Velocity model for the San Francisco Bay Area. Poster Presentation at 2023 SCEC Annual Meeting. SCEC Contribution 13021
Kenawy, M., McCallen, D. B., & Pitarka, A. (2021). Variability of near‐fault seismic risk to reinforced concrete buildings based on high‐resolution physics‐based ground motion simulations. Earthquake Engineering & Structural Dynamics, 50(6), 1713-1733. https://doi.org/10.1002/eqe.3413. SCEC Contribution 11018
Rodgers, A. J., Pitarka, A., Pankajakshan, R., Sjogreen, B., & Petersson, A. (2020, 08). Ground Motion Simulations and Site Response Corrections for MW 7.0 Hayward Fault Earthquakes Resolved 0-10 Hz. Poster Presentation at 2020 SCEC Annual Meeting. SCEC Contribution 10772
Pitarka, A., & Graves, R. W. (2020, 08). Understanding Crustal Weak Zone Effects on Earthquake Rupture Kinematics Through Dynamic Rupture Modeling. Poster Presentation at 2020 SCEC Annual Meeting. SCEC Contribution 10461
Seylabi, E., Pitarka, A., & McCallen, D. B. (2020, 08). Toward development of physics-based coherency models using deterministic broad-band earthquake ground motion simulations. Poster Presentation at 2020 SCEC Annual Meeting. SCEC Contribution 10424
Graves, R. W., & Pitarka, A. (2020, 08). 3D Simulation of Near Fault Ground Motions for the 2019 M7.1 Ridgecrest, CA Earthquake. Poster Presentation at 2020 SCEC Annual Meeting. SCEC Contribution 10405
Nakata, N., Fang, H., White, M. C., & Pitarka, A. (2019, 08). Shallow crustal heterogeneity in Southern California estimated from earthquake coda waves. Poster Presentation at 2019 SCEC Annual Meeting. SCEC Contribution 9471
Rodgers, A. J., Pankajakshan, R., Sjogreen, B., Petersson, A., & Pitarka, A. (2019, 08). Hayward Fault Earthquake Ground Motion Simulations on GPU-Accelerated Platforms with SW4-RAJA. Poster Presentation at 2019 SCEC Annual Meeting. SCEC Contribution 9381
Pitarka, A., Graves, R. W., Rodgers, A. J., Irikura, K., Miyakoshi, K., & Kawase, H. (2019, 08). Rupture Models and Implication of Rupture Dynamics in Simulated Ground Motion for the 2016 M7 Kumamoto, Japan Earthquake. Poster Presentation at 2019 SCEC Annual Meeting. SCEC Contribution 9336
Rodgers, A. J., Pitarka, A., & McCallen, D. B. (2019). The Effect of Fault Geometry and Minimum Shear Wavespeed on 3D Ground-Motion Simulations for an Mw 6.5 Hayward Fault Scenario Earthquake, San Francisco Bay Area, Northern California. Bulletin of the Seismological Society of America, 109(4), 1265-1281. https://doi.org/10.1785/0120180290. SCEC Contribution 10833
Silva, F., Maechling, P. J., Goulet, C. A., Jordan, T. H., Graves, R. W., Olsen, K. B., Archuleta, R. J., Atkinson, G. M., Pitarka, A., Anderson, J. G., & Song, S. (2018, 06). Using the SCEC Broadband Platform for Strong Ground Motion Simulation and Validation. Poster Presentation at 11th National Conference on Earthquake Engineering. SCEC Contribution 8994
Graves, R. W., & Pitarka, A. (2016). Kinematic Ground Motion Simulations on Rough Faults Including Effects of 3D Stochastic Velocity Perturbations. Bulletin of the Seismological Society of America, 106(5), 2136-2153. SCEC Contribution 6226
Graves, R. W., & Pitarka, A. (2014). Refinements to the Graves and Pitarka (2010) Broadband Ground Motion Simulation Method. Seismological Research Letters, 86(1), 75-80. https://doi.org/10.1785/0220140101. SCEC Contribution 1947
Song, S., Pitarka, A., & Somerville, P. G. (2009). Exploring spatial coherence between earthquake source parameters. Bulletin of the Seismological Society of America, 99, 2564-2571. SCEC Contribution 1248
Harris, R. A., Barall, M., Archuleta, R. J., Dunham, E. M., Aagaard, B. T., Ampuero, J., Bhat, H. S., Cruz-Atienza, V. M., Dalguer, L. A., Dawson, P. B., Day, S. M., Duan, B., Ely, G. P., Kaneko, Y., Kase, Y., Lapusta, N., Liu, Y., Ma, S., Oglesby, D. D., Olsen, K. B., Pitarka, A., Song, S., & Templeton, E. L. (2009). The SCEC/USGS Dynamic Earthquake Rupture Code Verification Exercise. Seismological Research Letters, 80(January/February 2009), 119-126. https://doi.org/10.1785/gssrl.80.1.119. SCEC Contribution 1184
Pitarka, A., Dalguer, L. A., Day, S. M., Somerville, P. G., & Dan, K. (2008). Numerical study of ground motion differences between buried and surface-rupturing earthquakes. Bulletin of the Seismological Society of America, 99, 1521-1537. https://doi.org/10.1785/0120080193. SCEC Contribution 1317
Day, S. M., Graves, R. W., Bielak, J., Dreger, D. S., Larsen, S., Olsen, K. B., Pitarka, A., & Ramirez-Guzman, L. (2008). Model for Basin Effect on Long-Period Response Spectra . Earthquake Spectra, 24, 257-277. SCEC Contribution 1101
Somerville, P. G., & Pitarka, A. (2006). Differences in earthquake source and ground motion characteristics between surface and buried earthquakes.. Presentation at 8th National Conference on Earthquake Engineering. SCEC Contribution 1612
Somerville, P. G., Collins, N., Graves, R. W., Pitarka, A., Silva, W., & Zeng, Y. (2006). Simulation of Ground Motion Scaling Characteristics for the Next Generation Attenuation Project. . Presentation at 8th National Conference on Earthquake Engineering. SCEC Contribution 1611
Day, S. M., Bielak, J., Dreger, D. S., Graves, R. W., Larsen, S., Olsen, K. B., Pitarka, A., & Ramirez-Guzman, L. (2006). Numerical simulation of basin effects on long-period ground motion. Presentation at 8th National Conference on Earthquake Engineering. SCEC Contribution 1075
Last updated Aug 31, 2026.
