PUBLICATIONS
PUBLICATIONS
Saha, S., K. Katyal, and S. N. Somala (2025) Deep Learning-Based Imputation Framework in Bridge Health Monitoring using Generative Adversarial Networks , Knowledge-Based Systems, 311, 113088 (doi: 10.1016/j.knosys.2025.113088)
Parla, R., S. Veggalam, and S. N. Somala (2025) Collapse fragility of structures subjected to basin amplified ground motion: Influence of basin parameters, Advances in Structural Engineering, (accepted ASE-24-0564)
Saha, S., K. S. K. Karthik Reddy, K. Katyal and S. N. Somala (2024) Investigating Seismic Performance of SMRF Buildings under Subshear and Supershear Rupture Conditions: Assessment of Storey-level Internal Damage, Engineering Structures, 309, 118069 (doi: 10.1016/j.engstruct.2024.118069)
Payyappilly L.J., K. S. K. Karthik Reddy, and S. N. Somala (2024) Influence of Rupture Velocity on Risk Assessment of Concrete Moment Frames: Supershear Vs. Subshear Ruptures, Structures, 60, 105895 (doi: 10.1016/j.istruc.2024.105895)
Somala, S. N., S. Chanda, M. AlHamaydeh, and S. Mangalathu (2024) Explainable XBoost-SHAP Machine-Learning Model for Prediction of Ground Motion Duration in New Zealand, ASCE Natural Hazards Review, 25(2), 04024005
Karthik Reddy, K. S. K., S. Veggalam, and S. N. Somala (2022) Spatial Variation of Structural Fragility due to Supershear Earthquakes, Structures, 44, 389-403 (doi: 10.1016/j.istruc.2022.08.025)
Chaudhari, V., K. S. K. Karthik Reddy, and S. N. Somala (2022) Offshore Wind Turbine Subjected to Supershear Earthquake Ruptures, Advances in Structural Engineering, 25(15), 3072-3085 (doi:10.1177/13694332221115466)
Chaudhari, V., and S. N. Somala (2022) Fragility of Offshore Wind Turbines Variation with Pulse-period and Amplitude: Directivity and Fling step, Structures, 41, 66-76 (doi: 10.1016/j.istruc.2022.04.078)
Somala, S. N., S. Mangalathu, S. Chanda, K. S. K. Karthik Reddy, and R. Parla (2022) Focal Mechanism Influence with Azimuth using Near-Field Simulated Ground Motion: Application to Multi-Span Continuous Concrete Single Frame Box Girder Bridge, ASCE Journal of Bridge Engineering , 27(6), 04022034 (doi: 10.1061/(ASCE)BE.1943-5592.0001875)
Somala, S. N., R. Parla, and S. Mangalathu (2022) Basin Effects on Tall Bridges in Seattle from M9 Cascadia, Engineering Structures, 260, 114252 (doi: 10.1016/j.engstruct.2022.114252)
Somala, S. N., K. S. K. Karthik Reddy, and S. Mangalathu (2022) Diaphragm Abutment Californian Bridges Subjected to UCERF2 Rupture Scenarios: Complete Damage State Evolution with Improvements to Seismic Codes, Soil Dynamics and Earthquake Engineering, 155, 107204 (doi: 10.1016/j.soildyn.2022.107204)
Mandal, P., and S.N. Somala, (2022) Functionally Graded Materials Pile Structure for Seismic Noise Cancellation, ASCE International Journal of Geomechanics, 22(10), 04022168 (doi: 10.1061/(ASCE)GM.1943-5622.0002537)
Saha, S., K. S. K. Karthik Reddy, and S. N. Somala (2022) Seismic Assessment of Steel Frame Subjected to Simulated Directivity Earthquakes: The Unilaterality of Fault Normal Component at Various Rupture Distances, Journal of Building Engineering, 47, 103880 (doi: 10.1016/j.jobe.2021.103880)
Dwivedi, A., K. S. K. Karthik Reddy, and S. N. Somala (2022) Study of Seismic Orientation of Structure with Bi-directional Response Analysis in the Vicinity of Branched Fault Earthquake Rupture, Structures, 37, 613-623 (doi: 10.1016/j.istruc.2022.01.027)
Parla, R., B. Shanmugasundaram and S. N. Somala (2022) Basin Effects on the Seismic Fragility of Steel Moment Resisting Frame Structures: Impedance Ratio, Depth, and Width of Basin, International Journal of Structural Stability and Dynamics, 22(9), 2250108 (doi: 10.1142/S0219455422501085)
Parla, R., and S. N. Somala (2022) Seismic Ground Motion Amplification in 3D Sedimentary Basins: The Effect of Source Mechanism and Intensity Measures, Journal of Earthquake and Tsunami, 16(4), 2250008 (doi: 10.1142/S1793431122500087)
Parla, R., and S. N. Somala (2022) Numerical Modeling of Quaternary Sediment Amplification. Basin Size, ASCE Site Class and Fault Location, International Journal of Geotechnical Earthquake Engineering, 13(1), 1-20 (doi: 10.4018/ijgee.303589)
Somala, S.N. (2021) Lockdowns and their Influence on Earth’s Hum, Scientific Reports, 11(1), 17838 (doi: 10.1038/s41598-021-97459-1)
Somala, S. N., K. Karthikeyan, and S. Mangalathu (2021) Time Period Estimation of Masonry Infilled RC Frames using Machine Learning, Structures, 34, 1560-1566 (doi: 10.1016/j.istruc.2021.08.088)
Somala, S. N., K. S. K. Karthik Reddy, and S. Mangalathu (2021) The Effect of Rupture Directivity, Distance and Skew Angle on the Collapse Fragilities of Bridges, Bulletin of Earthquake Engineering, 19(14), 5843-5869 (doi: 10.1007/s10518-021-01208-8)
Somala, S. N., S. Chanda, K. Karthikeyan, and S. Mangalathu (2021) Explainable Machine Learning on New Zealand Strong Motion for PGV and PGA, Structures, 34, 4977-4985 (doi: 10.1016/j.istruc.2021.10.085)
Somala, S.N. , S. Chanda, M.C. Raghucharan, and E. Rogozhin (2021) Spectral Acceleration Prediction for Strike, Dip, Rake: A Multi-layered Perceptron Approach, Journal of Seismology, 25(5), 1339-1346 (doi: 10.1007/s10950-021-10031-2)
Chaudhari, V., and S. N. Somala (2021) Seismic performance of offshore wind turbine in the vicinity of seamount subduction zone, Structures, 34, 423-432 (doi: 10.1016/j.istruc.2021.07.080)
Chanda, S., and S. N. Somala (2021) Single Component Single Station based Machine Learning for estimating Magnitude and Location of an Earthquake: A Support Vector Machine approach, Pure and Applied Geophysics, 178(6), 1959-1976 (doi: 10.1007/s00024-021-02745-8)
Chanda, S., M. C. Raghucharan, K. S. K. Karthik Reddy, V. Chaudhary, and S. N. Somala (2021) Duration Prediction of Chilean Strong Motion Data using Machine Learning, Journal of South American Earth Sciences, 109, 103253 (doi: 10.1016/j.jsames.2021.103253)
Karthik Reddy K.S.K., S. N. Somala, and H.H. Tsang (2021) Response of Inelastic SDOF Systems Subjected to Dynamic Rupture Simulations of Directivity and Fling Step, Soil Dynamics and Earthquake Engineering, 151, 106992 (doi: 10.1016/j.soildyn.2021.106992)
Veggalam, S., K. S. K. Karthik Reddy, and S. N. Somala (2021) Collapse Fragility due to Near-field Directivity Ground Motions: Influence of Component, Rupture distance, Hypocenter location, Structures, 34, 3684-3702 (doi: 10.1016/j.istruc.2021.09.096)
Raghucharan, M.C., S. N. Somala, O. Erteleva, and E. Rogozhin (2021) Seismic Attenuation Model for Data Gap Regions using Recorded and Simulated Ground Motions. Natural Hazards, 107, 423-446 (doi: 10.1007/s11069-021-04589-w)
Mandal, P., S. N. Somala, and N. Somasundaram, (2021) Dispersion of longitudinal waves by four coplanar Mode-I cracks in an infinite elastic medium. International Journal of Applied Computational Mathematics, 7(3), 87 (doi: 10.1007/s40819-021-01012-7)
Mandal, P., and S.N. Somala, (2020) Periodic pile-soil system as a barrier for seismic surface waves. SN Applied Sciences, 2, 1184 (doi:10.1007/s42452-020-2969-8)
Rogozhin E.A., S. N. Somala, O.O. Erteleva , F.F. Aptikaev, and S. Chanda (2020) Seismic hazard assessment of Garhwal region, Himalaya, Izvestiya, Atmospheric and Oceanic Physics, 56(11), 1315-1325 (doi: 10.1134/S0001433820110079)
Somala, S.N. (2020) Seismic noise changes during COVID-19 pandemic: a case study of Shillong, India. Nat Hazards, 103, 1623–1628 (doi:10.1007/s11069-020-04045-1)
Parameswaran, R. M., K. Rajendran, S.N. Somala, and C. P. Rajendran (2020). The 2012 Mw 8.6 Indian Ocean earthquake: Deep nucleation on a listric-like fault. Physics of the Earth and Planetary Interiors, 307, 106550. (doi:10.1016/j.pepi.2020.106550)
Rogozhin, E.A., E. Yu. Sokolova., S. N. Somala, N. V. Andreeva, and M. C. Raghucharan (2020) Deep Structure and Folded-Block Structure of the Garhwal Himalayas (India): Results of Comprehensive Geological and Geophysical Study. Geotectonics, 54(1), 75–82 (doi: 10.1134/S0016852120010112)
Erteleva, O. O., F. F. Aptikaev, S. N. Somala, J. R. Kayal, and M. C. Raghucharan (2020). Acceleration Attenuation Regularities in the Western Himalayas. Seismic Instruments, 56(1), 72-81 (doi:10.3103/S0747923920010065)
Mukund, N., B. O’Reilly, S. N. Somala, and S. Mitra (2019) Effect of Induced Seismicity on Advanced Gravitational Wave Interferometers. Classical and Quantum gravity, 36(10), 10LT01 (doi: 10.1088/1361-6382/ab1360)
Raghucharan, M.C., S. N. Somala, and S. Rodina (2019) Seismic attenuation model using artificial neural networks. Soil Dynamics and Earthquake Engineering, 126, 105828 (doi: 10.1016/j.soildyn.2019.105828)
Raghucharan, M.C., and S. N. Somala (2018) Seismic damage and loss estimation for central Indo-Gangetic Plains, India. Natural Hazards, 94(2), 883-904 (doi: 10.1007/s11069-018-3430-9)
Somala S. N., J. P. Ampuero, and N. Lapusta (2018) Finite-fault source inversion using adjoint methods in 3-D heterogeneous media. Geophysical Journal International, 214(1), 402-420. (doi: 10.1093/gji/ggy148)
Harris, R. A., M. Barall, B. Aagaard, S. Ma, D. Roten, K. Olsen, B. Duan, D. Liu, B. Luo, K. Bai, J.-P Ampuero, Y. Kaneko, A.-A. Gabriel, K. Duru, T. Ulrich, S. Wollherr, Z. Shi, E. Dunham, S. Bydlon, Z. Zhang, X. Chen, S. N. Somala, C. Pelties, J. Tago, V. M. Cruz‐Atienza, J. Kozdon, E. Daub, K. Aslam, Y. Kase, K. Withers, and L. Dalguer (2018) A Suite of Exercises for Verifying Dynamic Earthquake Rupture Codes. Seismological Research Letters, vol. 89 (3), 1146-1162 (doi: 10.1785/0220170222)
Raghucharan, M.C., and S. N. Somala (2017) Simulation of strong ground motion for the 25 April 2015 Nepal (Gorkha) Mw 7.8 earthquake using the SCEC broadband platform, Journal of Seismology, 21(4), 777-808. (doi:10.1007/s10950-016-9635-z)
Mai, P.M., D. Schorlemmer, M. Page, J.P. Ampuero, K. Asano, M. Causse, S. Custodio, W. Fan, G. Festa, M. Galis, F. Gallovic, W. Imperatori, M. Käser, D. Malytskyy, R. Okuwaki, F. Pollitz, L. Passone, H. Razafindrakoto, H. Sekiguchi, S. Song, S. N. Somala, K. Thingbaijam, C. Twardzik, M. van Driel, J. Vyas, R. Wang, Y. Yagi, and O. Zielke (2016) The earthquake‐source inversion validation (SIV) project , Seismological Research Letters, 87 (3), 690-708 (doi: 10.1785/0220150231)
Harms, J., J.-P. Ampuero, M. Barsuglia, E. Chassande-Mottin, J.-P. Montagner, S. N. Somala, and B. F. Whiting (2015) Transient gravity perturbations induced by earthquake rupture, Geophysical Journal International, 201 (3), 1416-1425 (doi:10.1093/gji/ggv090)
Somala, S. N., J.-P. Ampuero, and N. Lapusta (2014) Resolution of Rise Time in Earthquake Slip Inversions: Effect of Station Spacing and Rupture Velocity, Bulletin of the Seismological Society of America, 104 (6), 2717-2734, (doi: 10.1785/0120130185)
Galvez, P., J.-P. Ampuero, L. A. Dalguer, S. N. Somala, and T. F. Nissen-Meyer (2014) Dynamic earthquake rupture modelled with an unstructured 3-D spectral element method applied to the 2011 M9 Tohoku earthquake, Geophysical Journal International, 198 (2), 1222-1240 (doi:10.1093/gji/ggu203)
Michel, R., J.-P. Ampuero , J.-P. Avouac, N. Lapusta, S. Leprince, D.C. Redding, and S. N. Somala (2013) A Geostationary Optical Seismometer, Proof of Concept, IEEE Transactions on Geoscience and Remote Sensing, 51 (1), 695-703 (doi:10.1109/TGRS.2012.2201487)
Raghu Kanth, S.T.G., K. Lakshmi Kumari, and S.N. Somala (2012), Regional level ground motion simulation for a hypothetical great earthquake in the Garhwal Himalaya, Geomatics and Natural Hazards, 4(3), 202-225 (doi:10.1080/19475705.2012.731658)
Raghu Kanth, S.T.G., and S. N. Somala (2009), Modeling of Strong-Motion Data in Northeastern India: Q, Stress Drop and Site Amplification, Bulletin of Seismological Society of America, 99(2A), 705-725. (doi:10.1785/0120080)
Raghucharan M. C., Somala, S.N., (2022) Seismic Risk for Vernacular Building Classes in the Fertile Indus Ganga Alluvial Plains at the Foothills of the Himalayas, India. In: Roshni T, Samui P, Tien Bui D, Kim D, Khatibi R, editors. Risk Reliab. Sustain. Remediat. Field Civ. Environ. Eng., Elsevier; p. 53–72. https://doi.org/10.1016/B978-0-323-85698-0.00025-3
Payyappilly L.J., Somala S.N. (2022) Risk Uncertainty Quantification for Various Occupancy Classes Using Stochastic Ground Motion. In: Marano G.C., Ray Chaudhuri S., Unni Kartha G., Kavitha P.E., Prasad R., Achison R.J. (eds) Proceedings of SECON’21. SECON 2021. Lecture Notes in Civil Engineering, vol 171. Springer, Cham. https://doi.org/10.1007/978-3-030-80312-4_64
Payyappilly L.J., Somala S.N. (2022) Earthquake Loss Estimation Using State-of-the-Art Tools. In: Kolathyar, S (eds) Proceedings of VCDRR 2021. Lecture Notes in Civil Engineering, vol 41. Springer, Cham. ISBN978-981-16-4616-4
Chanda S., Somala S.N. (2022) Uncertainty Quantification of Structural Response Due to Earthquake Loading. In: Marano G.C., Ray Chaudhuri S., Unni Kartha G., Kavitha P.E., Prasad R., Achison R.J. (eds) Proceedings of SECON’21. SECON 2021. Lecture Notes in Civil Engineering, vol 171. Springer, Cham. https://doi.org/10.1007/978-3-030-80312-4_82
Karthik Reddy K.S.K., Somala S.N. (2021) Variability in the Period of Velocity Pulse Based on Nucleation Position on the Fault. In: Sitharam T.G., Kolathayar S., Sharma M.L. (eds) Seismic Hazards and Risk. Lecture Notes in Civil Engineering, vol 116, 213-222. Springer, Singapore. https://doi.org/10.1007/978-981-15-9976-7_20
Karthik Reddy K.S.K., Somala S.N. (2021) Fracture Mechanics Based Unilateral and Bilateral Earthquake Simulations: Application to Cable-Stayed Bridge Response. In: Saha S.K., Mukherjee M. (eds) Recent Advances in Computational Mechanics and Simulations. Lecture Notes in Civil Engineering, vol 103, 333-349. Springer, Singapore. https://doi.org/10.1007/978-981-15-8138-0_27
Raghucharan M. C., Somala, S.N. (2018) Generating Site-Specific Ground Motions for Delhi Region for Seismic Vulnerability Assessment of Buildings—Promoting Disaster Resilient Communities, Urbanization Challenges in Emerging Economies : Resilience and Sustainability of Infrastructure. 2018
Karthik Reddy, K. S. K., H.-H. Tsang, and S. N. Somala, Incorporating the Effects of Directivity Ground Motions into Hazard Assessment: A Direct Amplitude-based Approach, 17th World Conference on Earthquake Engineering, Sendai, Japan, September 2020
Raghucharan M.C., and S. N. Somala, Seismic Loss Estimation and Risk Assessement for National Capital Territory of Delhi, India: First Results, 17th World Conference on Earthquake Engineering, Sendai, Japan, September 2020
Karthik Reddy, K. S. K., and S. N. Somala, Variability in the Period of Velocity Pulse Based on Nucleation Position on the Fault, 6th International Conference on Recent Advances in Geotechnical Earthquake Engineering (7ICRAGEE), IISc Bengaluru July 2020
Chanda, S., and S. N. Somala, Vibration-based structural damage detection using Autoencoder Neural Networks, 2nd ASCE India Conference on “Challenges of Resilient and Sustainable Infrastructure Development in Emerging Economies (CRSIDE2020), Kolkata, India, March 2020
Karthik Reddy, K. S. K., and S. N. Somala, Fracture Mechanics based Unilateral and Bilateral Earthquake Simulations: Application to Cable-Stayed Bridge Response, 7th International Congress on Computational Mechanics and Simulation (ICCMS), IIT Mandi, December 2019
Chanda, S., and S. N. Somala, A Propagating Dislocation based Simulation of 2005 Kashmir Earthquake, 7th International Congress on Computational Mechanics and Simulation (ICCMS), IIT Mandi, December 2019
Mishra, P., and S. N. Somala, Earthquake Early Warning Feasibility Study for India using Deep Learning, 4th International Conference on Earthquake Early Warning, Seoul, South Korea, September 2019
Raghucharan, M.C., S. N. Somala, and G. V. Kishor, Synthetic ground motions for Mw6.5 hypothetical earthquake and comparison of structural response with combination rules of IS1893-Part 1, 16th Symposium on Earthquake Engineering (16SEE), Roorkee, December 2018
Raghucharan, M.C., and S. N. Somala (2018) Generating Site-Specific Ground Motions for Delhi Region for Seismic Vulnerability Assessment of Buildings—Promoting Disaster Resilient Communities, 290-299. Proceedings of ASCE India Conference 2017, December 12–14, 2017 | New Delhi, India doi:10.1061/9780784482032.030
Ramachandruni, A., V. Chaudhari, and S. N. Somala, Behavior of tunnels crossing active step-over faults, Seventh Indian Rock Conference (INDOROCK 2017), New Delhi, India, October 2017
Somala, S. N., Towards next generation attenuation relationships for India, 16th World Conference on Earthquake Engineering (16WCEE), Santiago, Chile, January 2017
Ramachandruni, A., and S. N. Somala, Jumping Ruptures for Hazard Analysis, Structural Engineering Convention (SEC2016), Chennai, India, December 2016
Somala, S. N., Directivity effects of multiples pulses on peak ground motion, 6th International Conference on Recent Advances in Geotechnical Earthquake Engineering (6ICRAGEE), Greater Noida, India, August 2016
Somala, S. N., Infrastructural response to Extreme Speed Ruptures, 1st International Natural Hazards and Infrastructure (ICONHIC2016), Crete Island, Greece, June 2016
Somala, S. N., Numerical simulation of the three component ground velocities from the 25th April, 2015 Nepal Earthquake, International Conference on Earthquake Engineering and Post Disaster Reconstruction Planning (ICEE-PDRP), Bhaktapur, Nepal, April 2016
Rajesh P, K. S. K Karthik Reddy, S. N. Somala, Pulse-period Characterization at Basin and Bedrock, EERI Annual Meeting, March 2021
Payyappilly, L., S. N. Somala, Risk Uncertainty Quantification for Various Occupancy Classes using Stochastic Ground Motion, 5th International Conference on Structural Engineering and Construction Management (SECON' 21), Kerala, May 2021
Chanda, S., S. N. Somala, Uncertainty Quantification of Structural Response Due to Earthquake Loading, 5th International Conference on Structural Engineering and Construction Management (SECON' 21), Kerala, May 2021
Karthik Reddy, K. S. K., H.-H. Tsang and S. N. Somala, Incorporating the Effects of Directivity Ground Motions into Hazard Assessment: A Direct Amplitude-based Approach, 17th World Conference on Earthquake Engineering, Sendai, Japan, September 2020
Raghucharan M.C., and S. N. Somala, Seismic Loss Estimation and Risk Assesement for National Capital Territory of Delhi, India: First Results, 17th World Conference on Earthquake Engineering, Sendai, Japan, September 2020
Karthik Reddy, K. S. K., and S. N. Somala, Variability in the Period of Velocity Pulse Based on Nucleation Position on the Fault, 6th International Conference on Recent Advances in Geotechnical Earthquake Engineering (7ICRAGEE), IISc Bengaluru July 2020
Chanda, S., and S. N. Somala, Vibration-based structural damage detection using Autoencoder Neural Networks, 2nd ASCE India Conference on “Challenges of Resilient and Sustainable Infrastructure Development in Emerging Economies (CRSIDE2020), Kolkata, India, March 2020
Somala, S. N., Damping and Isolation of Structures from Earthquakes, International Workshop on Advanced Seismology, Seismic Hazards & Earthquake Engineering: Theory, Simulation & Observations (ASSHEE), NIT Agartala, India, December 2019
Mandal, P., S. N. Somala, S. Mitra, N. Mukund, R. Nayak, and J. Harms, Newtonian Noise Cancellations Using Pile Structure, Newton-Bhabha and the Open Data Workshop, IUCAA Pune, December 2019
Karthik Reddy, K. S. K., and S. N. Somala, Fracture Mechanics based Unilateral and Bilateral Earthquake Simulations: Application to Cable-Stayed Bridge Response, 7th International Congress on Computational Mechanics and Simulation (ICCMS), IIT Mandi, December 2019
Chanda, S., and S. N. Somala, A Propagating Dislocation based Simulation of 2005 Kashmir Earthquake, 7th International Congress on Computational Mechanics and Simulation (ICCMS), IIT Mandi, December 2019
Karthik Reddy, K. S. K., S. N. Somala and H.-H. Tsang, Seismic Hazard Assessment of Gangtok Region: A Direct Amplitude-based Approach, Federation of Indian Geosciences Associations (FIGA), CSRI-NGRI, Hyderabad, October 2019
Mishra, P., and S. N. Somala, Earthquake Early Warning Feasibility Study for India using Deep Learning, 4th International Conference on Earthquake Early Warning, Seoul, South Korea, September 2019
Mohammed, S.A., S. N. Somala, and G . R. Reddy, Seismic Metamaterials for Isolating Critical Infrastructure from Rayleigh Waves, 16th World Conference on Seismic Isolation, Energy Dissipation and Active Vibration Control of Structures (16WCSI), Saint Petersburg, Russia, July 2019 (accepted)
Mohammed, S.A., S. N. Somala, and R. X. Adhikari, Towards a Seismic Cloak for Ground-Based Gravitational-Wave Detectors, Seismological Society of America Annual Meeting, Seattle, USA, April 2019 (accepted)
Karthik Reddy, K. S. K., H.-H. Tsang, and S. N. Somala, Rupture Directivity Effects on ground motion in the Himalaya, Earthquake Engineering Research Symposium, Melbourne, Australia, March 2019
Mohammed, S.A., S. N. Somala, and R. X. Adhikari, Towards a Seismic Cloak for Low-frequency Ground Noise, Multi-Messenger Astronomy in the Era of LIGO-India, Khandala, India, January 2019
Raghucharan, M.C., S. N. Somala, and G. V. Kishor, Synthetic ground motions for Mw6.5 hypothetical earthquake and comparison of structural response with combination rules of IS1893-Part 1, 16th Symposium on Earthquake Engineering (16SEE), Roorkee, December 2018
Parla, R., and S. N. Somala, Multi-modal response spectra due to sedimentary basins and their implications for hazard, 15th Annual Meeting Asia Oceania Geosciences Society (AOGS), SE22-35-A069, Honolulu, Hawaii, June 2018
Raghucharan, M.C., and S. N. Somala, Generating site-specific ground motions for Delhi region for seismic vulnerability assessment of buildings, American Society of Civil Engineers (ASCE) India, New Delhi, December 2017
Raghucharan, M.C., D. Srinagesh, and S. N. Somala, Seismic Hazard Evaluation in Central Indo-Gangetic Plains, 54th Indian Geophysical Union (IGU) Convention, NGRI, Hyderabad, India, December 2017
Chanda, S. S. N. Somala, and Ogasawara, H., Source Inversion Validation for the ICDP project: ‘Drilling into Seismogenic Zone (DSeis) of Earthquakes in South African Gold Mines’, Workshop on Frontiers in Studies of Earthquakes and Faults, Shenzhen, China, November 2017
Ramachandruni, A., V. Chadhari, and S. N. Somala, Behavior of tunnels crossing active step-over faults, Seventh Indian Rock Conference (INDOROCK 2017), New Delhi, India, October 2017
Ogasawara, H., Y. Yabe, T. Ito, G. van Aswegen, A. Cichowicz, R. Durrheim, T. Onstott, T. Keift, A. Ishida, HY. Ogasawara, T. Yasutomi, A. Funato, K. Imanishi, M. Okubo, M. Boettcher, P. Moyer, W. Ellsworth, M. Ziegler, S. Wiemer, C. Janssen, S. Shapiro, H. Gupta, P. Dight, N. Wechsler, A.K. Ward, B. Liebenberg, Y. Mukuhira, S.N. Somala , J.P. Hunt, S. Bucibo, N. Berset, R. Harris, E.D. Cason and the ICDP DSeis Team (2017) Drilling to probe quasi-static and dynamic seismic ruptures in deep South African gold mines (DSeis) from cm- to km- scale , Schatzalp 2nd Induced Seismicity workshop, Davos, 14-17 March 2017
Somala, S. N., Towards next generation attenuation relationships for India, 16th World Conference on Earthquake Engineering (16WCEE), Santiago, Chile, January 2017
Ramachandruni, A., and S. N. Somala, Jumping Ruptures for Hazard Analysis, Structural Engineering Convention (SEC2016), Chennai, India, December 2016
Somala, S. N., Directivity effects of multiples pulses on peak ground motion, 6th International Conference on Recent Advances in Geotechnical Earthquake Engineering (6ICRAGEE), Greater Noida, India, August 2016
Somala, S. N., Infrastructural response to Extreme Speed Ruptures, 1st International Natural Hazards and Infrastructure (ICONHIC2016), Crete Island, Greece, June 2016
Somala, S. N., Numerical simulation of the three component ground velocities from the 25th April, 2015 Nepal Earthquake, International Conference on Earthquake Engineering and Post Disaster Reconstruction Planning (ICEE-PDRP), Bhaktapur, Nepal, April 2016
Somala, S. N., Applicaiton of anti-aliasing filter in seismic source imaging, 6th Annual Conference of the International Society for Integrated Disaster Risk Management (IDRiM), New Delhi, India, October 2015
Ampuero, J.-P., J. Harms, and S. N. Somala, Transient gravity changes induced by earthquake rupture and implications for early warning, SCEC Annual Meeting, Palm Springs, CA, Sept. 2013
Somala, S. N., J.-P. Ampuero, and N. Lapusta, Potential resolution of earthquake rupture processes with a block-by-block low-cost strong motion network, IAHS-IAPSO-IASPEI, Gothenburg, Sweden, July 2013
Somala, S. N., High-resolution Source Imaging by a space based seismometer, CIG/QUEST/IRIS workshop, Alaska, July 2013
Cubas, N., J.-P. Avouac, N. Lapusta, H. Perfettini, and S.N. Somala, Frontal propagation of Megathrust Earthquakes: the role of thermal-pressurization, Tectonics Observatory Annual Meeting, Caltech, Oct 2012
Somala, S. N., J.-P. Ampuero, and N. Lapusta, Remote Seismic Imaging of Dynamic Shear cracks with Dense Sensor Networks, Jim Knowles Symposium, Caltech, Jan 2013
Somala, S. N., Z. Duputel, J.-P. Ampuero, and N. Lapusta, Quantity Vs. Quality: Effect of Sensor Density and Sensitivity on Earthquake Source Inversion, IUGG Conference on Mathematical Geophysics (CMG), Edinburgh, Scotland, June 2012
Somala, S. N., J.-P. Ampuero, and N. Lapusta, Earthquake source inversion with dense networks, SCEC Annual Meeting, Palm Springs, CA, 2012
Somala, S. N., P. Galvez, A. Inbal, J.-P. Ampuero, and N. Lapusta, Towards Adjoint Finite Source Inversion: Application to the 2011 M9 Tohoku Earthquake, AGU Fall Meet. Suppl., Abstract S43C-2248, 2011
Ampuero, J.-P., L. Meng, P. Galvez, S. Somala, A. Inbal, Y. Luo, L. A. Dalguer, and T. Nissen-Meyer, The Great 2011 Tohoku-Oki Earthquake probed the broad spectrum of earthquake behavior at the bottom of a seismogenic zone, AGU Fall Meet. Suppl., Abstract U42A-05, 2011
Somala, S. N., J.-P. Ampuero, and N. Lapusta, Effects of parameterization on finite source inversions with dense local data, SCEC Annual Meeting Abstract B-057, Palm Springs, CA, Sept. 2011
Harris, R.A., M. Barall, R. Archuleta, B. Aagaard, J.P.Ampuero, D.J. Andrews, V. Cruz-Atienza, L. Dalguer, S.Day, N. DeDontney, B. Duan, E. Dunham, A.A. Gabriel, P. Galvez, Y. Kaneko, Y. Kase, J. Kozdon, N. Lapusta, S.Ma, P.M.Mai, H. Noda, D. Oglesby, K. Olsen, and S.Somala, The SCEC-USGS dynamic rupture code verification excercise, SCEC Annual MeetingAbstract A-115, Palm Springs, CA, Sept. 2011.
Somala, S. N., J.-P. Ampuero, and N. Lapusta, Earthquake source inversion with very dense seismic data, “Workshop of quantitative estimation of earth’s seismic sources and structure”, Iceland, July 2011
Somala, S. N., J.-P. Ampuero, and N. Lapusta, Dynamic Rupture of Megathrust Earthquakes with Branching on Splay Faults, AGU Fall Meet. Suppl., Abstract S43A-2057, 2010.
Ampuero, J.-P., S. N. Somala, and N. Lapusta, Adjoint Inversion for Extended Earthquake Source Kinematics from very dense Strong Motion Data, AGU Fall Meet. Suppl., Abstract S53C-1992, 2010.
Somala, S. N., B. Aagaard, J.-P. Ampuero, and N. Lapusta, Dynamic Earthquake Rupture Modeling with Pylith: SCEC Benchmarks and Application to Tsunamigenic Earthquakes, SCEC Annual Meeting Abstract S2-048, Palm Springs, CA, Sept. 2010.
Aagaard, B.T., C.A. Williams, M. Knepley, and S.N. Somala, PyLith: A Finite-Element Code for Modeling Quasi-static and Dynamic crustal deformation, SCEC Annual Meeting Abstract S2-021, Palm Springs, CA, Sept. 2010.
Ampuero, J.-P., R. Michel, S. N. Somala, N. Lapusta, and J.-P. Avouac, Towards Earthquake Source Imaging by a Space based Strong Motion Seismometer, Workshop on Earthquake Source Dynamics: Data and Data-constrained Numerical Modeling, Slovak Republic, June 2010
Somala, S. N., B. Aagaard, J.-P. Ampuero, and N. Lapusta, Benchmarking PyLith for 2-D and 3-D Spontaneous Rupture Modeling, Crustal Deformation Modeling (CDM) 2010 Workshop, Golden, CO, June 2010.
Ampuero, J.-P., S. N. Somala, N. Lapusta, and R. Michel, Proof of Concept for Seismic Wave Imaging, Monitoring Earth Surface Changes from Space II, Caltech, Mar. 2010.