Thomas Lee Thomas Lee
Undergraduate (c/o 2019)

Harvard Seismology Group
Department of Earth and Planetary Sciences
Harvard University

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Research Interests

My current research work and interests are in the realms of digitization of paper seismograms, volcano-seismology, and especially the areas wherein these two topics intersect. My first exposure to seismology and work with the Ishii Group came through digitization of analog records using DigitSeis. This work helped open my eyes to the vast number of analog paper seismograms stored around the world, and moreover, their immense scientific value. These records represent a great resource covering an otherwise inaccesible time period. Since then, I have done work to open these records to modern analysis techniques (e.g., ambient noise correlation type studies) by developing methodologies to constrain relative timing inconsistencies between stations.

Currently I am working on two projects. First, I am using ambient noise to investigate changes in velocity on Kilauea volcano concurrent with the eruptive activity of 2018. These velocity changes could be indicative of and provide insight into magmatic activity on the volcano. This will help to better constrain our understanding of both the behavior of volcanic systems and the associated hazard. My second project involves developing techniques which will help DigitSeis move towards fully automatic digitization. In particular, I am working on image processing techniques which will more accurately classify the different parts of analog seismograms (e.g., data traces, timemarks, and noise).

In the future, I am interested in combining the capabilities of DigitSeis with the large analog seismogram collection of the Hawaiian Volcano Observatory (HVO, USGS) to extend the analysis of velocity changes concurrent with volcanic eruptions on Kilauea to events recorded only in the analog (e.g., 1959, 1960, 1975, 1984). While these are my current interests I intend to pursue a PhD in seismology and hope this affords me the opportunity to also explore other areas of seismology.


Class of 2019 (Expected Graduation Date: May 30, 2019), A.B. Candidate in Earth and Planetary Sciences, Harvard University, Cambridge, Massachusetts

Class of 2015, Waiakea High School, Hilo, Hawaii


Summer 2017 and 2018, Visiting Scientist (Intern), Hawaiian Volcano Observatory (HVO), U.S. Geological Survey, Volcano, Hawaii

Me pretending to be a geologist

Presentations and Publications

Lee, T., M. Ishii, and P. Okubo (2018). Consistent inconsistencies: A new method for assessing time corrections needed for analog seismograms, Poster M1 presented at 2018 Workshop, IRIS, Albuquerque, NM, 12-14 Jun.

Lee, T. (2018). DigitSeis v1.3: User Manual. Cambridge, MA: Harvard Seismology. Retrieve here

Lee, T., and M. Ishii (2017). Teleseism-based relative time corrections for modern analyses of digitized analog seismograms, Abstract S21C-0769 presented at 2017 Fall Meeting, AGU, New Orleans, LA, 11-15 Dec.

Lee, T. (2017). DigitSeis v1.1: User Manual. Cambridge, MA: Harvard Seismology. Retrieve here

Department of Earth and Planetary Sciences / Harvard University / 20 Oxford Street / Cambridge / MA 02138 / U.S.A. / Telephone: +1 617 495 2350 / Fax: +1 617 496 1907 / Email: