PhD position: Refraction seismic of the Chilean subduction zone – Deadline 01 December 2022

GEOMAR Helmholtz Centre for Ocean Research Kiel is a foundation of public law jointly financed by the Federal Republic of Germany (90 %) and the state of Schleswig-Holstein (10 %) and is one of the internationally leading institutions in the field of marine sciences. Currently GEOMAR disposes over an annual budget of approx. 80 million Euro and has approx. 1000 employees.

Research division 4 “Geodynamic of the ocean Floor ” invites applications for a PhD Refraction seismic of the Chilean subduction zone. We are looking for a PhD candidate for our research project on the Chilean subduction zone.

The successful applicant will work within the BMBF-funded research project

“The structure of the northern Chilean subduction zone imaged with wide-angle seismic and its relation to plate interface motion.”

The data basis of the project are refraction profiles of ocean bottom seismometers (OBS) and land data from 2D refraction experiments conducted during cruise SO297 with the research vessel SONNE in spring 2023 offshore Taltal in Chile.

The main task is to process the 2D refraction data, which includes onset determination of airgun shots, inverting the wide-angle seismic data to subduction zone velocity profiles, and interpreting and publishing the findings.

Essential for the evaluation and understanding of the results is also an integration or comparison with other data sets. The project benefits from close cooperation with Chilean scientists who operate offshore geodetic and onshore seismological stations.


  • Data processing of 2D refraction experiments and determination of arrival times of airgun shots recorded on OBS and land stations.
  • Modeling and inversion of velocity models from wide-angle seismic data.
  • Validation, interpretation and comparison with other data sets
  • Publication of relevant results in scientific journals
  • Participation in shipboard expeditions


  • M.Sc. (or equivalent) in Geophysics/Physics or a related discipline.
  • Knowledge and experience in seismic data analysis and inversion techniques
  • Fluency in spoken and written English
  • Experience in seismic data processing is a plus.
  • Good skills in one or more programming languages (e.g., Python, Perl, Matlab)
  • Knowledge of Linux as an operating system
  • Participation in seagoing expeditions

The position is available for a funding period for 3 years. The salary depends on qualification and could be up to the class xx TVöD-Bund of the German tariff for public employees. This is a part-time position according to 75 % of a full-time equivalent. The position can not be split. The fixed-term contract shall comply with Section 2 Paragraph 1 of The Act of Academic Fixed-Term Contract (German WissZeitVG).[Optional in case of time limit pursuant to § 14 Abs. 2 TzBefrG] According to this time limit, the call for applications is only addressed to applicants who have not previously been employed by GEOMAR.

GEOMAR Helmholtz Centre for Ocean Research Kiel seeks to increase the proportion of female scientists and explicitly encourages qualified female academics to apply.

GEOMAR is an equal opportunity employer and encourages scientists with disabilities to apply. Qualified disabled applicants will receive preference in the application process.

Please submit your application for this post until 1st December 2022 under the following link: online application

As soon as the selection procedure has finished, all your application data will be removed according to data protection regulation.

For further information regarding the position and research unit please contact Dr. Dietrich Lange (Tel.: 0431 600-2324).

We will answer all your questions for this job advertisement if you send us an e-mail to In doing so, please refer to the keyword “Taltal PhD”.

To find out more, follow this link.

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