Department of Earth and Planetary Sciences

Weinberg College of Arts and Sciences

Northwestern University

2145 Sheridan Rd
Evanston, IL 60208                       USA

Tel: +1 847 491 8183

URL: (this page)

Here, it is currently

App for public engagement and exploratory research

New & improved Earthtunes is in the App Store. Earthtunes comes with examples, a fixed or normalized volume setting, editable station list, exportable clips, and more.

NU-Geopaths program launched in 2021

...and concluded with an impressive project showcase. Mentees also improved coding and communication skills and participated in field trips and group meetings.

Deep earthquakes might represent dehydration events

Dr. Zhang's published work suggests that the 600-km deep 2013 M8.3 Okhotsk earthquake is a dehydration event, and that subducting slabs can carry water to the transition zone.

Data set from volunteer scientists used to train machine

Classifications by Earthquake Detectives are shared and used to train a computer algorithm to assist volunteers in future classifications. See NeurIPS2020 workshop paper.

SPREE_P18 available

Bollmann et al. 's seismic-tomographic model for the central North-American mantle, along with delay times SPREE_P18, are available for further research.

EA17 available

Witek et al.'s 2018 seismic-tomographic model for the East-Asian lithosphere, EA17, is available for download and further research.

NA07 available

Bedle and Van der Lee's 2007 seismic-tomographic model for the North-American upper mantle, NA07, is available for download and further research.

Tomography mini-course

Slides from the mini course on Seismic Tomography presented at the 2007 National Earthscope Meeting have been enriched with text balloons and can be viewed online:   HTML  |  PDF

Photo gallery

A photo gallery is available for browsing. Photos are captioned and represent a fragmentary snapshot of activity in my research group.

CAREER impacts

This otherwise unpublished poster illustrates the broader impacts of my CAREER grant (2007-2013).


Learn geo-facts about our research group's location in Evanston, Illinois, USA.