Robert B. Darragh

3.9k total citations · 2 hit papers
35 papers, 2.5k citations indexed

About

Robert B. Darragh is a scholar working on Geophysics, Civil and Structural Engineering and Artificial Intelligence. According to data from OpenAlex, Robert B. Darragh has authored 35 papers receiving a total of 2.5k indexed citations (citations by other indexed papers that have themselves been cited), including 28 papers in Geophysics, 25 papers in Civil and Structural Engineering and 5 papers in Artificial Intelligence. Recurrent topics in Robert B. Darragh's work include Seismic Waves and Analysis (23 papers), Seismic Performance and Analysis (23 papers) and earthquake and tectonic studies (21 papers). Robert B. Darragh is often cited by papers focused on Seismic Waves and Analysis (23 papers), Seismic Performance and Analysis (23 papers) and earthquake and tectonic studies (21 papers). Robert B. Darragh collaborates with scholars based in United States, United Arab Emirates and United Kingdom. Robert B. Darragh's co-authors include Brian Chiou, Nick Gregor, Walter Silva, Jonathan P. Stewart, Timothy D Ancheta, Walter J. Silva, Tadahiro Kishida, Emel Seyhan, Robert Graves and David M. Boore and has published in prestigious journals such as Oecologia, Bulletin of the Seismological Society of America and Physics of The Earth and Planetary Interiors.

In The Last Decade

Robert B. Darragh

34 papers receiving 2.3k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

NGA‐West2 Database

2014 1.2k citations Timothy D Ancheta, Robert B. Darragh et al. Earthquake Spectra profile →
NGA Project Strong‐Motion Database

2008 664 citations Brian Chiou, Robert B. Darragh et al. Earthquake Spectra profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name	h						Papers	Cites
Robert B. Darragh United States	14	2.3k	1.2k	162	127	106	35	2.5k
Walter J. Silva United States	21	2.9k 1.3×	1.9k 1.6×	130 0.8×	183 1.4×	150 1.4×	42	3.2k
Albert Kottke United States	16	2.4k 1.0×	1.1k 0.9×	258 1.6×	144 1.1×	87 0.8×	57	2.6k
Emel Seyhan United States	11	2.9k 1.3×	1.8k 1.5×	135 0.8×	194 1.5×	164 1.5×	15	3.1k
Tadahiro Kishida United Arab Emirates	18	1.8k 0.8×	825 0.7×	116 0.7×	156 1.2×	73 0.7×	56	1.9k
Brian Chiou United States	17	3.9k 1.7×	2.4k 2.0×	198 1.2×	227 1.8×	176 1.7×	26	4.2k
Timothy D Ancheta United States	8	1.4k 0.6×	642 0.5×	109 0.7×	81 0.6×	57 0.5×	14	1.4k
Fabio Sabetta Italy	15	1.4k 0.6×	843 0.7×	82 0.5×	99 0.8×	125 1.2×	27	1.6k
George P. Mavroeidis United States	19	1.9k 0.9×	631 0.5×	80 0.5×	62 0.5×	27 0.3×	39	2.1k
Chiara Smerzini Italy	19	1.0k 0.5×	750 0.6×	62 0.4×	121 1.0×	98 0.9×	52	1.3k
Jennifer L. Donahue United States	2	1.2k 0.5×	492 0.4×	101 0.6×	69 0.5×	40 0.4×	7	1.2k

Countries citing papers authored by Robert B. Darragh

Since Specialization

Citations

This map shows the geographic impact of Robert B. Darragh's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Robert B. Darragh with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Robert B. Darragh more than expected).

Fields of papers citing papers by Robert B. Darragh

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Robert B. Darragh. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Robert B. Darragh. The network helps show where Robert B. Darragh may publish in the future.

Co-authorship network of co-authors of Robert B. Darragh

This figure shows the co-authorship network connecting the top 25 collaborators of Robert B. Darragh. A scholar is included among the top collaborators of Robert B. Darragh based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Robert B. Darragh. Robert B. Darragh is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Stewart, Jonathan P., Tadahiro Kishida, Robert B. Darragh, et al.. (2022). NGA‐Sub source and path database. Earthquake Spectra. 38(2). 799–840. 30 indexed citations

Boore, David M., Robert Youngs, Albert Kottke, et al.. (2022). Construction of a Ground-Motion Logic Tree through Host-to-Target Region Adjustments Applied to an Adaptable Ground-Motion Prediction Model. Bulletin of the Seismological Society of America. 112(6). 3063–3080. 7 indexed citations

Wong, Ivan G., et al.. (2021). Ground motion models for shallow crustal and deep earthquakes in Hawaii and analyses of the 2018 M 6.9 Kalapana sequence. Earthquake Spectra. 38(1). 579–614. 7 indexed citations

Ktenidou, Olga‐Joan, Norman Abrahamson, Walter J. Silva, Robert B. Darragh, & Tadahiro Kishida. (2021). The search for hard‐rock kappa (κ) in NGA‐East: A semi‐automated method for large, challenging datasets in stable continental regions. Earthquake Spectra. 37(1S). 1391–1419. 11 indexed citations

Mazzoni, Silvia, Tadahiro Kishida, Jonathan P. Stewart, et al.. (2021). Relational database used for ground‐motion model development in the NGA‐sub project. Earthquake Spectra. 38(2). 1529–1548. 17 indexed citations

Goulet, Christine, Tadahiro Kishida, Timothy D Ancheta, et al.. (2021). PEER NGA‐East database. Earthquake Spectra. 37(1S). 1331–1353. 86 indexed citations

Kishida, Tadahiro, Sahar Derakhshan, Sifat Muin, et al.. (2017). Multivariate Conversion of Moment Magnitude for Small‐to‐Moderate‐Magnitude Earthquakes in Iran. Earthquake Spectra. 34(1). 313–326. 2 indexed citations

Kishida, Tadahiro, et al.. (2017). Apparent Wave Velocity and Site Amplification at the California Strong Motion Instrumentation Program Carquinez Bridge Geotechnical Arrays during the 2014 M6.0 South Napa Earthquake. Earthquake Spectra. 34(1). 327–347. 7 indexed citations

Seyhan, Emel, Jonathan P. Stewart, Timothy D Ancheta, Robert B. Darragh, & Robert Graves. (2014). NGA‐West2 Site Database. Earthquake Spectra. 30(3). 1007–1024. 95 indexed citations

10.

Ancheta, Timothy D, Robert B. Darragh, Jonathan P. Stewart, et al.. (2014). NGA‐West2 Database. Earthquake Spectra. 30(3). 989–1005. 1159 indexed citations breakdown →

11.

Wong, Ivan G., et al.. (2014). A Ground Motion Prediction Model for Deep Earthquakes beneath the Island of Hawaii. Earthquake Spectra. 31(3). 1763–1788. 9 indexed citations

12.

Stewart, Jonathan P., Giuseppe Lanzo, Alessandro Pagliaroli, et al.. (2012). Ground Motion Recordings from the M _w 6.3 2009 L'Aquila Earthquake in Italy and their Engineering Implications. Earthquake Spectra. 28(1). 317–345. 13 indexed citations

13.

Chiou, Brian, Robert B. Darragh, Nick Gregor, & Walter Silva. (2008). NGA Project Strong‐Motion Database. Earthquake Spectra. 24(1). 23–44. 664 indexed citations breakdown →

14.

Darragh, Robert B., et al.. (1995). Engineering characterization of strong ground motion recorded at rock sites. Final report. Oecologia. 129(4). 551–560. 2 indexed citations

15.

Shakal, A. F., et al.. (1990). CSMIP (California Strong Motion Instrumentation Program) strong-motion records from the Santa Cruz Mountains (Loma Prieta), California earthquake of 17 October 1989. International Conference on Multimedia Information Networking and Security. 31 indexed citations

16.

Silva, Walter J., et al.. (1989). Estimated Ground Motions for a New Madrid Event. US Army Corps of Engineers: Engineer Research and Development Center (Knowledge Core). 3 indexed citations

17.

Abrahamson, Norman, Bruce A. Bolt, Robert B. Darragh, Joseph Penzien, & Y.-B. Tsai. (1987). 2. The SMART I Accelerograph Array (1980‐1987): A Review. Earthquake Spectra. 3(2). 263–287. 70 indexed citations

18.

Darragh, Robert B. & Bruce A. Bolt. (1987). A comment on the statistical regression relation between earthquake magnitude and fault rupture length. Bulletin of the Seismological Society of America. 77(4). 1479–1484. 24 indexed citations

19.

Bolt, Bruce A., R. A. Uhrhammer, & Robert B. Darragh. (1985). 1. The Morgan Hill Earthquake of April 24, 1984—Seismological Aspects. Earthquake Spectra. 1(3). 407–418. 2 indexed citations

20.

Abrahamson, Norman & Robert B. Darragh. (1985). 3. The Morgan Hill Earthquake of April 24, 1984—The 1.29g Acceleration at Coyote Lake Dam: Due to Directivity, a Double Event, or Both?. Earthquake Spectra. 1(3). 445–455. 6 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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