the Harvard Seismology Group carries out a broad range of projects with topics including mapping the interior of the earth, characterizing the seismic source and global seismicity, and understanding problems in theoretical mechanics – stressing, deformation, fracture and flow as they arise in seismology and the science of earthquakes. The seismology group includes faculty, research associates, and students from the Department of Earth & Planetary Sciences as well as the School of Engineering & Applied Sciences.

Because of the multidisciplinary nature of the study of Earth's interior there are several research groups at Harvard that overlap in seismological pursuits. These seismology research groups are led by Associate Professor Miaki Ishii, Professor James R. Rice and Professor Emeritus Adam Dziewonski. For more information about the projects each of these groups is involved with, please see their individual pages, as well as our research page.

An animation showing the rupture propagation/high-frequency energy radiation during the December 26, 2004 Sumatra-Andaman earthquake which devastated countries around the Indian Ocean. Red star denotes the epi-central location. Time from the beginning of the event is given at the top-left corner.


April 11, 2012
Preliminary results of the Mw 8.6 and Mw 8.2 Sumatran earthquakes are available.

March, 2012
The March 11, 2011 Tohoku-oki earthquake and cascading failure of the plate interface has been published in Geophysical Research Letters.

January, 2012
Combining seismic arrays to image the high-frequency characteristics of large earthquakes has been published in Geophysical Journal International.

January, 2012
A coupled wavenumber integration approach for calculating the wavefield in large-scale laterally varying structures has been published in Geophysical Journal International.

December, 2011
Back-projection results for the Mw 9.0 March 11, 2011 Tohoku, Japan earthquake. has been published in 2011 IRIS Annual Report.

September, 2011
Structural controls on the Mw 9.0 2011 Offshore-Tohoku earthquake has been published in Earth and Planetary Science Letters.

August 11, 2011
Ahmet Okeler joins the seismology group.

June 28, 2011
Insights into the mechanism of intermediate-depth earthquakes from source properties as imaged by back projection of multiple seismic phases has been published in the Journal of Geophysical Research.

June 13, 2011
Sara Kowalke, an IRIS summer intern, joins the seismology group.

June 4-5, 2011
Advances in Seismology and Implications for Interdisciplinary Research: Adam M. Dziewonski Symposium is held at the Northwest Building at Harvard University to honour Adam Dziewonski's retirement and his 75th birthday. The symposium page can be found here.

April 12, 2011
The 2010 Mw 8.8 Chile earthquake: Triggering on multiple segments and frequency-dependent rupture behavior has been published in the Geophysical Research Letters.

March 31, 2011
Eric Kiser receives AGU Student Paper Award from the Geodesy Section of the American Geophysical Union for his presentation, The Frequency Dependent Characteristics of the 2010 Chile Earthquake, at the 2010 Fall AGU Meeting.

March 12, 2011
Preliminary results of the Mw 9.0 Tohoku-Oki, Japan earthquake area available.

February 15, 2011
Petros Mpogiatzis joins the seismology group.

March 11, 2010
Preliminary back-projection results of the Mw 8.8 Chilean earthquake are available.

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: reilly@eps.hartvard.edu