Postdoctoral Research Assistant in Geophysics: Investigating Slow Slip using Small Events

University of Oxford - Department of Earth Sciences

Grade 7: £31,604 - £38,833 with a discretionary range to £42,418 p.a.

Applications are invited for a postdoctoral research assistant to investigate slow slip events using seismology and frictional modelling. This project aims to constrain the physical mechanism governing slow slip events by examining the spatial and temporal evolution of the numerous small slow slip events that occur each year in Cascadia. The position will be in the Department of Earth Sciences at the University of Oxford, with the opportunity to interact with colleagues in seismology, fault mechanics, and tectonics.

A variety of physical mechanisms have been proposed to explain the existence of abundant slow slip events, including fault rheologies that limit slip rates as well as fault geometries and heterogeneities that limit the evolution of rapid fault slip. The postdoc in this position will assess some of these physical models by examining the nucleation and growth of small slow slip events of various sizes. They will track the spatial evolution of events in Cascadia by detecting and locating tremor using a recently developed phase coherence method, coupled with other techniques. They will then examine the predicted evolution of slow slip using several variants of rate and state frictional models, and they will compare the two to determine which characteristics of the models appear to be required by the observations. The role of heterogeneity and the necessity of speed-limited models are likely to be key questions. Depending on interest, there will also be opportunities to examine th  e temporal evolution of the slow slip events using borehole strain data or to further develop the phase coherence method for tremor analysis.

You will require a PhD in geophysics or another relevant discipline by the time of appointment

Only applications received before 12.00 midday on 27 October 2017 will be considered.

Applications from women and minorities are particularly encouraged. All candidates will be evaluated for employment without regard to gender, race, religion, age, sexual orientation, or disability. The department holds a Bronze Athena SWAN award.

Please note that the University of Oxford's retirement policy is changing. With effect from October 1 2017, all employees at Grade 8 and above will have a retirement age of 68, and all employees at Grades 6 and 7 will no longer have a set retirement age. Further details are available at: www.ox.ac.uk/about/jobs/preemploymentscreening.

https://www.recruit.ox.ac.uk/pls/hrisliverecruit/erq_jobspec_version_4.jobspec?p_id=131075

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South East England