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Welcome to my personal website. I am a researcher at the Institute of Geodynamics of the National Observatory of Athens since 2011. I graduated in 2001 from the Faculty of Geology of the University of Athens, where I chose Seismology as the principal subject of my BSc degree. Then I decided to improve my background in the field of Geodynamics and in 2003 I was awarded MSc in Space Techniques relating to Geosciences at the Department of Geophysics, University of Athens. After some years working in the private sector at geological engineering companies, I started my PhD at the Faculty of Geology of the University of Athens under the supervision of Prof. Evangelos Lagios. The research topic concerned the application of joint Space Techniques and Seismological research to study the ground deformation and the tectonic behavior of the broader area of central Ionian Islands (Greece). The methodology that was adopted was based on repeated measurements of local geodetic GPS networks which have been deployed in Cephalonia and Zakynthos Islands, while for a better correlation of the results from the GPS measurements, Differential SAR Interferometry was also applied as a supplementary technique. I defended my PhD thesis in 2009 and received the top grade. Following my PhD, I worked again in the private sector at companies involved with Earth Observation and Geographic Information Systems (GIS), as well as participated in a number of funded projects related to tectonic geodesy and seismic hazard as a researcher. In 2011 I was elected Assistant Researcher at the Institute of Geodynamics of the National Observatory of Athens and in 2016 I was promoted to Associate Researcher.

The focus of my research is tectonic geodesy and more specifically the use of GPS measurements to constrain crustal deformation and strain rate patterns, investigate coseismic and postseismic processes, as well as to quantify potential seismic activity so as to refine seismic hazard estimates. I facilitate quantification of motions associated with earthquakes and deformation related to the earthquake cycle using both conventional and high-rate GPS data along with seismology. My research activities include also the development of Ground Motion Prediction Equations (GMPE) through nonlinear regression analyses and their incorporation into probabilistic seismic hazard analysis and earthquake‐induced landslide hazard assessment. A large part of my work consists of processing the data from over 200 continuously recording GPS stations including all the GPS stations of the permanent network of the Institute of Geodynamics, as well as several other stations throughout Greece belonging to private and state-owned companies, scientific projects and consortiums. Details on the GPS data processing can be found at the Chousianitis et al. (2015) JGR paper under the Publications tab.

This site presents some details of my research, a short curriculum vitae as well as a list of my publications in peer-reviewed Science Citation Index journals.