Nguyen Cong Nghia, Ph.D.

(Updated 2024/07)

Current job: Postdoc at Institute of Earth Sciences (IES), Academia Sinica, Taiwan (R.O.C) 

Page at IES: https://www.earth.sinica.edu.tw/en/member/detail/512

Research interest: Seismology, source inversion, earthquake hazard, seismic tomography, receiver function

Research skills:

• Seismological interpretation of earthquake sequence, tomographic image

• Using Deep-learning-based methods in analyzing seismic waveforms and making seismic catalogs

• Apply seismological methods to investigate geological structures, especially in South East Asia

• Computing methods:

  • Python, MatLab, Fortran

  • Python-based seismological packages: Obspy, Matplotlib, PyGMT

  • Seismic tomography software: LOTOS (Koulakov, 2009); TomoDD (Zhang and Thurber, 2003)

  • Receiver function analysis using Lupei Zhu's code

  • Focal mechanism inversion 

  • Stress inversion

  • Application of deep-learning seismic pickers and framework to monitor earthquakes

• Geological skills: structural fieldwork, petrological analysis under thin section, U-Pb zircon dating

• Reviewer for International Journal of Disaster Management, Vietnam Journal of Earth Sciences, MDPI Sustainability, MDPI Applied Sciences.

Education

2023 - Doctor of Philosophy, Taiwan International Graduate Program - Earth System Science, National Central University and Institute of Earth Sciences – Academia Sinica

Thesis topic: Seismological study of recent significant events and regional crustal structures in Southeast Asia

Advisors: Dr. Bor-Shouh Huang; Dr. Po-Fei Chen

2015 - Master of Science, Department of Earth Sciences – National Taiwan Normal University, Taipei, Taiwan

Thesis topic:  The deformation and metamorphic evolution of Ailaoshan massif, Southwest China

Advisors: Dr. Mary Meng-Wan Yeh; Dr. Tung-Yi Lee

2013 - Bachelor, Faculty of Geology – Hanoi University of Science, Vietnam National University, Hanoi, Vietnam

Thesis topic: Gemology

Advisor: Dr. Nguyen Ngoc Khoi

Manuscript on preparation:

1. Nguyen, C.N. et al., Seismotectonics of the 2020 Muong Te earthquake sequence, Vietnam: results from earthquake relocation, focal mechanism, and stress inversion

2. Nguyen, C.N et al., Revisit the 2010 Jiashian earthquake from deep-learning based seismic catalog, seismic tomography, focal mechanism, and stress inversion using temporary seismic data

3. Phung, V.B. et al., Ground Motion Model for Predicting 5% damped Spectral Acceleration for the Northern Vietnam Region (ergodic model)

4. Phung, V.B. et al., Ground Motion Model for Predicting 5% damped Spectral Acceleration for the Northern Vietnam Region (non-ergodic model)

5. Ulfiana, E. et al., Estimating crustal thickness in the Luzon, Northern Philippines: Insights from Ambient Noise Autocorrelation and Receiver Function Analysis

6. Ha, T.G. et al.,  Earthquake source and ground motion characteristics of the 2019 Cao Bang doublet earthquakes in northeastern Vietnam

Submitted manuscript:

1. NGUYEN, Le-Minh and NGUYEN, Van-Duong*, Nguyen, Cong-Nghia, Ha, Thi-Giang, Ha, Vinh-Long, Nguyen, Tien-Hung, Le, Quang-Khoi, Unveiling the Seismic Attenuation Characteristics in the Mantle Beneath Southeast Asia: Insights into Mantle Dynamics and Tectonic Processes. 

2.  PHUONG Hong NGUYEN; Duong Van Nguyen; Truyen The Pham; Giang Thi Ha; Nghia Cong Nguyen; Van Quoc Dinh; Minh Huy Le; Tuyen Huu Nguyen; Minh Le Nguyen; Khoi Quang Le; Hung Tien Nguyen; Phong Van VuVu, Evaluation of source mechanism and attenuation characteristic of the ML4.9 Muong Te earthquake, Vietnam of June 16th, 2020 

Publication:

1. Phung, V. B., Huang, B-S*, Nguyen, C.N., Nguyen, V.D., Nguyen, L.M, Nguyen, A.D., Le, Q.K., Pham, T.T., Ha, T.G., Dinh, Q.V., Ha, V.L., Lavrentiadis, G., Chan, C.H., Pham, D.H, 2024. Evaluation of Ground Motion Models for Northern Vietnam based on ground motion records of the 2020 Moc-Chau EarthquakeEarthquake, Earthquake Spectra. https://doi.org/10.1177/87552930241285177

2. Long, H.V.*, Huang, H.-H.*, Huang, B.-S., Nguyen, L.M., Van Duong, N., Ha, T.G., Le, Q.K., Van Dinh, Q., Le, T.S., Nguyen, T.H., Nguyen, C.N., Smith, K.K., Pham, T.T., 2024. Geotectonic architecture beneath Northern Vietnam revealed by local earthquake tomography combining seismic data from multiple networks. Tectonophysics, 230402. https://doi.org/10.1016/j.tecto.2024.230402

3. Van-Bang Phung*, Yu-Wen Chang, Chin-Hsiung Loh, Bor-Shouh Huang, Vinh-Long Ha, Cong-Nghia Nguyen, and Dinh-Hai Pham. Regional and Site-Specific Ground Motion Model for Probabilistic Seismic Hazard Analysis in Taiwan: A case study of I-Lan. Journal of Earthquake and Tsunami. https://doi.org/10.1142/S179343112450009X

4. Nguyen, C. N., Huang, B.*, Lee, T., Chen, P., Nguyen, V., Narag, I., Bautista, B. C., & Melosantos, A. (2023). Slab tearing and lithospheric structures in Luzon island, Philippines: Constraints from P-and S-wave local earthquake tomography. Frontiers in Earth Science, 11, 1213498. https://doi.org/10.3389/feart.2023.1213498

5. Phung, V.B.*, Nguyen, C.N. and Huang, B.S., 2023. On the development of region and site-specific ground motion prediction model for the region of I-lan, Taiwan. Engineering Geology, 312, p.106933; doi: https://doi.org/10.1016/j.enggeo.2022.106933

6. Nguyen, C. N., Van, D.N.*, Thi, G.H., Le, M.N., Huang, B.S., Tien, H.N., Le Quang, K. and Huu, H.N., 2022. Automatic earthquake detection and phase picking in Muong Te, Lai Chau region: an application of machine learning in observational seismology in Vietnam. Vietnam Journal of Earth Sciences, 44(3), pp.430-446; doi: https://doi.org/10.15625/2615-9783/17253

7. Nguyen, C.N., Huang, B.S.*, Duong, N.A., Le, Q.K., Ha, T.G., Van, D.Q., Long, H.V. and Chen, P.F., 2022. Characteristics of earthquake source and ground motions in Northern Vietnam investigated through the 2020 Moc Chau M5.0 earthquake sequence. Journal of Asian Earth Sciences, 229, p.105144; doi: https://doi.org/10.1016/j.jseaes.2022.105144

International conference presentations:

1. Emi ULFIANA, Po-Fei CHEN, Bor-Shouh HUANG, Nghia Cong NGUYEN, Teresito BACOLCOL. Estimating Crustal Thickness in the Northern Philippines Through Ambient Noise Autocorrelation. AOGS Meeting 2024.

2. Nguyen C. N., Huang, B. S., Nguyen, V. D., Ha, T. G., Dinh, Q. V., Nguyen, L. M., Pham, T. T., Nguyen, T. H., Le, Q. K., Nguyen, H. H, Chen, P. F., 2022. Source characteristics of the ML4.9 Muong Te earthquake sequence, northwest Vietnam from earthquake location and focal mechanism inversion. Taiwan Geosciences Assembly 2022

3. Nguyen, C.N., Huang, B.S., Chen, P.F., Nguyen, V.D., Ku, C.S., Huang, W.G., Bautista, B.C., Narag, I., Sevilla, W.I., Arnaldo, M., 2019. Determine the Moho depth and sedimentary layer thickness in a subduction zone: Results of receiver function analysis from North Philippines. EGU 2019

4. Nguyen, C.N., Huang, B.S., Chen, P.F., Nguyen, V.D., Ku, C.S., Huang, W.G., Bautista, B.C., Narag, I., Sevilla, W.I., Arnaldo, M., 2018. Determine the Moho depth and sedimentary layer thickness in a subduction zone: Results of receiver function analysis from North Philippines. AOGS 2018.

5. Nguyen, C.N., Huang, B.S. and Chen, P.F., 2017. Constraint on the magma sources in Luzon Island Philippines by using P and S wave local seismic tomography. AGU 2017.

Grants and awards:

1.  Ministry of Science and Technology (R.O.C) student travel grant 2017 (NTD52,000).

2. AGU Student Travel Grant 2017 (US$1,000)

Curriculum Vitae

https://www.earth.sinica.edu.tw/storage/member/CV_all/cv-nghia-eng-20240722-17216193131WGbY.pdf