2026 Jonathan P. Stewart: Earth Science Researcher – H-Index, Publications & Awards

Discipline name	D-Index	World Ranking	Current World Ranking	National Ranking	Current National Ranking	Publications	Citations
Engineering and Technology	62	1858	1771	598	543	348	18607
Earth Science	66	1285	1140	575	495	365	19375

Overview

Jonathan P. Stewart is affiliated with the University of California, Los Angeles in the United States. Their research spans multiple disciplines with a strong focus on the intersection of engineering and earth sciences.

The main fields of study covered by Stewart include:

Engineering
Earth and Planetary Sciences

Within these broader areas, Stewart's work is concentrated on several subfields such as:

Civil and Structural Engineering
Geophysics
Ocean Engineering
Artificial Intelligence
Safety, Risk, Reliability and Quality

The scientist's research topics highlight a detailed exploration of:

Seismic Performance and Analysis
Seismic Waves and Analysis
Earthquake and Tectonic Studies
Geotechnical Engineering and Underground Structures
Structural Health Monitoring Techniques
Geotechnical Engineering and Soil Mechanics
Geotechnical Engineering and Soil Stabilization

Stewart has contributed extensively to the academic literature, with numerous publications in key journals including:

Earthquake Spectra
Journal of Geotechnical and Geoenvironmental Engineering
Bulletin of the Seismological Society of America
Seismological Research Letters
Bulletin of Earthquake Engineering

Some of the recent papers authored or co-authored by Stewart are:

"NGA-subduction global ground motion models with regional adjustment factors," 2021, Earthquake Spectra
"PEER NGA-East database," 2021, Earthquake Spectra
"NGA-Subduction research program," 2021, Earthquake Spectra
"Next-generation liquefaction database," 2020, Earthquake Spectra
"Data Resources for NGA-Subduction Project," 2020, PEER

Frequent collaborators in Stewart's research include:

Scott J. Brandenberg
Paolo Zimmaro
Tristan E. Buckreis
Sean K Ahdi
Chukwuebuka C. Nweke

This body of work reflects an emphasis on seismic phenomena and their impact on civil structures, incorporating data-driven approaches and geotechnical methods to better understand ground motion, liquefaction, and structural resilience in earthquake-prone regions.

Best Publications

NGA-West2 Equations for Predicting PGA, PGV, and 5% Damped PSA for Shallow Crustal Earthquakes:

David M. Boore;Jonathan P. Stewart;Emel Seyhan;Gail M. Atkinson

1934
Citations
NGA-West2 Database

Timothy D. Ancheta;Robert B. Darragh;Jonathan P. Stewart;Emel Seyhan

1634
Citations
NGA-West2 Research Project:

Yousef Bozorgnia;Norman A. Abrahamson;Linda Al Atik;Timothy D. Ancheta

755
Citations
CPT-based probabilistic and deterministic assessment of in situ seismic soil liquefaction potential

R.E.S. Moss;R.B. Seed;R.E. Kayen;J.P. Stewart

611
Citations
Evaluation of the seismic performance of a code-conforming reinforced-concrete frame building—from seismic hazard to collapse safety and economic losses

Christine A. Goulet;Curt B. Haselton;Judith Mitrani-Reiser;James L. Beck

546
Citations
Ground motion evaluation procedures for performance-based design

Jonathan P. Stewart;Shyh Jeng Chiou;Jonathan D. Bray;Robert W. Graves

494
Citations
SEISMIC SOIL-STRUCTURE INTERACTION IN BUILDINGS. I: ANALYTICAL METHODS

Jonathan P. Stewart;Gregory L. Fenves;Raymond B. Seed

472
Citations
Seismic soil-structure interaction in buildings. II: Empirical findings

Jonathan P Stewart;Raymond B Seed;Greggory L Fenves

378
Citations
Prediction Equations for Significant Duration of Earthquake Ground Motions Considering Site and Near-Source Effects

Justin J. Kempton;Jonathan P. Stewart

374
Citations
Use of Exact Solutions of Wave Propagation Problems to Guide Implementation of Nonlinear Seismic Ground Response Analysis Procedures

Annie O. L. Kwok;Jonathan P. Stewart;Youssef M. A. Hashash;Neven Matasovic

348
Citations
Semi-Empirical Nonlinear Site Amplification from NGA-West2 Data and Simulations:

Emel Seyhan;Jonathan P. Stewart

334
Citations
Nonlinear Site Amplification as Function of 30 m Shear Wave Velocity

Yoojoong Choi;Jonathan P. Stewart

330
Citations
Subsurface Characterization at Ground Failure Sites in Adapazari, Turkey

Jonathan D. Bray;Rodolfo B. Sancio;H. Turan Durgunoglu;Akin Onalp

260
Citations
Simplified Model for Small-Strain Nonlinearity and Strength in 1D Seismic Site Response Analysis

David R. Groholski;Youssef M. A. Hashash;Byungmin Kim;Michael Musgrove

259
Citations
PEER NGA-East database:

Christine A. Goulet;Tadahiro Kishida;Timothy D. Ancheta;Chris H. Cramer

237
Citations
Gravity anomalies and spatial variations of flexural rigidity at mountain ranges

J. Stewart;A. B. Watts

237
Citations
EQUIVALENT NUMBER OF UNIFORM STRESS CYCLES FOR SOIL LIQUEFACTION ANALYSIS

Andrew H. Liu;Jonathan P. Stewart;Norman A. Abrahamson;Yoshi Moriwaki

226
Citations
An Assessment to Benchmark the Seismic Performance of a Code-Conforming Reinforced-Concrete Moment-Frame Building

Curt B. Haselton;Christine A. Goulet;Judith Mitrani-Reiser;James L. Beck

221
Citations
KINEMATIC SOIL-STRUCTURE INTERACTION FROM STRONG MOTION RECORDINGS

Seunghyun Kim;Jonathan P. Stewart

220
Citations
Comparison of NGA-West2 GMPEs

Nick Gregor;Norman A. Abrahamson;Gail M. Atkinson;David M. Boore

214
Citations
Amplification Factors for Spectral Acceleration in Tectonically Active Regions

Jonathan P. Stewart;Andrew H. Liu;Yoojoong Choi

207
Citations
CPT-Based Probabilistic and Deterministic Assessment of In Situ Seismic Soil Liquefaction Potential - eScholarship

Robb E.S. Moss;Raymond B Seed;Robert E. Kayen;Jonathan P Stewart

1
Citations

Frequent Co-Authors

George Mylonakis University of Bristol

John W. Wallace University of California, Los Angeles

Youssef M. A. Hashash University of Illinois at Urbana-Champaign

Yousef Bozorgnia University of California, Berkeley

Jonathan D. Bray University of California, Berkeley

David M. Boore United States Geological Survey

Raymond B. Seed University of California, Berkeley

Ertugrul Taciroglu University of California, Los Angeles

Ellen M. Rathje The University of Texas at Austin

Robert W. Graves United States Geological Survey

External Links

Personal website of Jonathan P. Stewart Google Scholar page

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