Position/Designation
Professor
Director
Educational Background
DSc in Earth and Planetary Sciences (2011)
Kyoto University, Japan
MS Geology (2006)
University of the Philippines
BS Geology (2002)
University of the Philippines
Research Interests
Geomorphology, Geohazards
Selected Publications
Tubalado, E. M., Ramos, N. T., Nawanao, L. P., Cantillep, M. F., Benjamin, A., Reyes, J. S., Maxwell, K. V., Gong, S.-Y., Yu, T.-L., & Shen, C.-C., 2026. Extreme wave events inferred from large subaerial carbonate boulders on a rocky coast in Pasuquin, Ilocos Norte, Philippines. Marine Geology, https://doi.org/10.1016/j.margeo.2026.107704
Wang, Y., Meltzner, A. J., Oskin, M. E., Quye-Sawyer, J., Aung, L. T., & Ramos, N. T., 2026. Coral reef terrace age deduced from retreating knickpoints. Earth and Planetary Science Letters, https://doi.org/10.1016/j.epsl.2025.119792
Akhmad Zamroni, Faustino-Eslava, D. V., Andrada, R. T., Tiburan, C. L., & Ramos, N. T., 2026. Impacts of river morphological changes on farming communities in the Progo River, Indonesia, and their implications for river management strategies. Journal of Environmental Studies and Sciences, https://doi.org/10.1007/s13412-025-01092-7
Sarkawi, G. M., Meltzner, A. J., Peng, D., Lim, J. T. Y., Li, X., Gautam, R., Gopal, A., Mitchell, A., Sarmiento, L. F., Weil-Accardo, J., Maxwell, K. V., Komori, J., & Ramos, N. T., 2025. A coral microatoll record of sea-level rise, interseismic deformation, and El Niño in La Union, Philippines since 1906 CE. Marine Geology, https://doi.org/10.1016/j.margeo.2025.107565
Shyu, J. B. H., Hsieh, P.-K., Ramos, N. T., Chiang, H.-W., Liu, S.-C., & Shen, C.-C., 2025. Uplifted late Quaternary marine terraces along the southern coast of Bohol Island, central,Philippines, and their active tectonic implications. Geoscience Letters, https://doi.org/10.1186/s40562-025-00380-y
Wang, Y., Meltzner, A. J., Quye-Sawyer, J., Yang, H., Pu, Y., Qin, J., Aung, L. T., Aw, Z., Pamintuan, A. D. A., & Ramos, N. T., 2025. Uplift, tilting, and underlying structures of coastal northwestern Luzon, Philippines, deduced from marine terraces. Quaternary Science Reviews, https://doi.org/10.1016/j.quascirev.2025.109347
Cantillep, A.M.F., Ramos, N.T., and Rimando, J.M., 2024. Morphometric Evaluation of the Relative Uplift Rates along the Vigan–Aggao Fault in Ilocos Norte, Philippines. Geomorphica, 1(1), https://doi.org/10.59236/geomorphica.v1i1.28.
Nawanao, L.P. and Ramos, N.T., 2023. Frontal wedge variations and controls of submarine landslides in the Negros–Sulu Trench System, Philippines. Frontiers in Earth Science 11, https://doi.org/10.3389/feart.2023.1054825 (Available online: 03 March 2023).
Ramirez, A.B.G., Ramos, N.T., Nawanao, L.J.P., Mangahas, R.Z., Narag, I., Baba, T., Chikasada, N., and Satake, K., 2022. An Earthquake-Triggered Submarine Mass Failure Mechanism for the 1994 Mindoro Tsunami in the Philippines: Constraints from Numerical Modeling and Submarine Geomorphology. Frontiers in Earth Science, https://doi.org/10.3389/feart.2022.1067002 (Available online: 30 November 2022).
Lumongsod, R.M.G., Ramos, N.T., and Dimalanta, C.B. Mapping the karstification potential of central Cebu, Philippines using GIS. Environmental Earth Sciences 81, 449 (2022), https://doi.org/10.1007/s12665-022-10572-w.
Mendoza, R.B.C., Ramos, N.T., and Dimalanta, C.B. 2022. High-resolution peak ground acceleration modeling using geographic information systems: A case study of the potentially active Central Cebu Fault System, Philippines. Journal of Asian Earth Sciences: X 7 (2022), https://doi.org/10.1016/j.jaesx.2022.100097.
Claro, S.M,D., Ramos, N.T., Fernando, A.G.S., Ishimura, D., and Switzer, A. 2021. Sedimentological evidence of washover deposits from extreme wave events in Zamboanga del Sur, Mindanao, southern Philippines. Marine Geology 438, August 2021, 106535, https://doi.org/10.1016/j.margeo.2021.106535.
Maxwell, K.V., Ramos, N.T., Tsutsumi, H, Chou, Y.C., Duan, F., Shen, C.C., 2018. Late Quaternary uplift across northwest Luzon Island, Philippines constrained from emergent coral reef terraces. Earth Surface Processes and Landforms 43 (15), 3114-3132, https://doi.org/10.1002/esp.4474 (Available online: 27 July 2018).
Ramos, N.T., Maxwell, K.V., Tsutsumi, H, Chou, Y.C., Duan, F., Shen, C.C., Satake, K., 2017. Occurrence of 1 ka-old corals on an uplifted reef terrace in west Luzon, Philippines: Implications for a prehistoric extreme wave event in the South China Sea region. Geoscience Letters 4 (12), DOI:10.1186/s40562-017-0078-3 (Available online 10 May 2017).
Tsutsumi, H., Perez, J.S., Marjes, J.U., Papiona, K.L., Ramos, N.T., 2015. Coseismic displacement and recurrence interval of the 1973 Ragay Gulf earthquake, southern Luzon, Philippines. Journal of Disaster Research 10 (1), 83-90.
Ramos, N.T., Tsutsumi, H., Perez, J.S., Bermas, P.Jr.P., 2012. Uplifted marine terraces in Davao Oriental Province, Mindanao Island, Philippines and their implications for large prehistoric offshore earthquakes along the Philippine trench. Journal of Asian Earth Sciences 45 (2012), 114-125, DOI:10.1016/j.jseaes.2011.07.028.
Ramos, N.T., Tsutsumi, H., 2010. Evidence of large prehistoric offshore earthquakes deduced from uplifted Holocene marine terraces in Pangasinan Province, Luzon Island, Philippines. Tectonophysics 495 (3-4), 145-158, DOI:10.1016/j.tecto.2010.08.007.
Ramos, N.T., Dimalanta, C. B., Besana, G. M., Tamayo, R. A. Jr., Yumul, G. P. Jr., Maglambayan, V. B., 2005. Seismotectonic reactions to the arc – continent convergence in central Philippines. Resource Geology 55, 197-204, DOI:10.1111/j.1751-3928.2005.tb00241.x.
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