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Emile Okal

Professor Emeritus

Agrégation de Physique, Université de Paris
Thèse de 3ème cycle [M.S.], Geophysics, Université Paris VI
Ph.D. Geophysics, California Institute of Technology
Doctorat d'Etat, Université Paris VII


As Emeritus Professor, E.A. Okal continues to carry out research and mentor students in the fields of tsunami generation and propagation, intermediate and deep earthquakes, and methods for quantification of seismic sources.

In collaboration with scientists worldwide, he is also engaged in the preservation of analog archives of seismological data, and their conversion to digital support.

Selected Publications

Okal, E.A., Historical seismograms: Preserving an endangered species, GeoResJ, 6, 53-64, 2015.

Okal, E.A., and Synolakis, C.E., Sequencing of tsunami waves: Why the first wave is not always the largest, Geophys. J. Intl., 204, 719-735, 2016.

Okal, E.A., The excitation of tsunamis by deep earthquakes, Geophys. J. Intl., 209, 234-249, 2017.

Okal, E.A., N. Saloor, S.H. Kirby, and M. Nettles, An implosive component to the source of the deep Sea of Okhotsk earthquake of 24 May 2013: Evidence from radial modes and CMT inversionPhys. Earth Planet. Inter., 281, 68-78, 2018.

Okal, E.A., Energy and magnitude: A historical perspectivePure Appl. Geophys., 176, 3815-3849, 2019.

Derakhti, M., R.A. Dalrymple, E.A. Okal, and C.E. Synolakis, Temporal and topographic source effects in tsunami generationJ. Geophys. Res. Oceans, 124, 5270-5288, 2019.


Complete List of Publications