Welcome to the Global Seismology and Tectonics (GSAT) Group of the Geosciences Department at the University of Arizona. Our research focuses on understanding the structure and active tectonic processes associated with megathrusts, mountain building, subduction, and strike-slip boundaries using passive broadband seismology. Our current research is concentrated on the South America, the western US, Japan, and Turkey.

Socorro, NM 2020 - the HIPER team learning how to deploy nodal seismometers (Clint Koch)

Bolivia, 2011 - CAUGHT Team in the Bolivian Andes during service run (Susan Beck)

Turkey, 2013 - Installed CD-CAT seismic station (Susan Beck)

Washington, 2014 - The iMUSH team (Eric Kiser)

Ecuador, 2016 - Damage in Pedernales following M7.8 off the coast on 16 April 2016 (Susan Beck)

Ecuador, 2016 - Damage in Pedernales, Ecuador following M7.8 off the coast on 16 April 2016 (Susan Beck)

Ecuador, 2016 - Researcher Rob Porritt burying a sensor barrel for the Ecuador RAMP install (Susan Beck)

Ecuador, 2016 - Researcher Rob Porritt and team after successfully installing an Ecuador RAMP station (Susan Beck)

Washington, 2014 - iMush nodes ready to deploy (Eric Kiser)

Washington, 2014 - Mt. St. Helens (Eric Kiser)

Turkey, 2013 - Researcher Berk Biryol and PhD student Jonathan Delph installing a CD-CAT station (Susan Beck)

Peru, 2014 - (Susan Beck)

Peru, 2014 - Scenic view in the Peruvian Andes near Cusco (Susan Beck)

Turkey, 2013 - Huddle test before CD-CAT deployment (Susan Beck)

Bolivia, 2012 - Nevado Sajama, the highest peak in Bolivia (Kevin Ward)

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Awards

Daniella DellaGiustina succesfully defended her PhD!
Audrey Dunham is awarded GeoDaze's Best Overall Talk
Clint Koch succesfully defended his PhD!

Latest Publications

Kiser, E. and Kehoe, H.L., 2021. The hazard of coseismic gaps: The 2021 Fukushima earthquake. Geophys. J. Int'l doi:10.1093/gji/ggab208.

Koch, C., Delph, J., Beck, S.L., Lynner,C., Ruiz, M., Hernandez, S., Samaniego, P., Meltzer, A., Mothes, P., and Hidalgo, S., 2021. Crustal thickness and magma storage beneath the Ecuadorian arc. J. of S. Am. Earth Sci. doi: 10.1016/j.jsames.2021.103331.

Kiser, E., Levander, A., Schmandt, B., and Hansen, S., 2021. Seismic Evidence of Bottom‐Up Crustal Control on Volcanism and Magma Storage near Mount St. Helens. Geophys. Res. Let. doi: 10.1029/2020GL090612.