Joseph Asplet Seismologist

Curriculum Vitæ

Contact

Current Position

2023 - present. Postdoctoral Research Assistant in Induced Seismicity and Seismic Imaging. University of Oxford.

Academic Employment

2021 - 2023. Research Associate. University of Bristol

2017 - 2021. Demonstrator. University of Bristol.

Education

2017 - 2021. PhD (Geology). University of Bristol

2013 - 2017. MSci Geophysics. University of Southampton, with study abroad at Pennsylvania State University. 1st Class Honours.

2006 - 2013. Victoria College, Jersey. A-levels in Maths (A), Physics (A), Chemistry (A) and Further Maths (B).

Professional Experience

June - December 2024. Consultant for Offshore CO2 Storage operator.

August - October 2020. Data Scientist (Intern). Geollect, Bristol, UK.

Grants awarded

2025. Oxford Mathematics, Physics and Life Sciences (MPLS) Lockey Fund award (£500)

2025. Oxford Mathematics, Physics and Life Sciences (MPLS) Research Culture award (£500)

2025. Oxford Mathematics, Physics and Life Sciences (MPLS) Postdoctoral representative grant (£500)

2017. States of Jersey Postgraduate Bursary (£15,000)

2016. University of Southampton School of Ocean and Earth Sciences Progression Scholarship (£500)

2015. Consolidated Minerals Student Bursary (£3000)

2015. University of Southampton School of Ocean and Earth Sciences Progression Scholarship (£500)

2014. University of Southampton School of Ocean and Earth Sciences Progression Scholarship (£500)

2013. University of Southampton Merit Scholarship (£500)

Awards and Recognition

2025. Solicited Speaker at EGU 2025. Session GD7.2 Anisotropy from crust to core: Observations, models and implications. Talk title: Shear-wave attenuation anisotropy: a new constraint on mantle melt near the Main Ethiopian Rift

2021. Runner-up, Best Talk. British Geophysical Association Postgraduate Research in Progress

November 2020. British Geophysical Association PhD paper of the month for Asplet et al., 2020.

Professional Service and Community Roles

2025-present. Postdoc representative in Department of Earth Sciences. Sit on the research and departmental committees.

2023 - 2027. Secretary to the International Union of Geodesy and Geophysics (IUGG) UK National Committee (2023-2027).

2020 - present. Reviewer for journals including: Physics of the Earth and Planetary Interiors, Seismica, Geophysical Journal International, Journal of Volcanology and Geothermal Research, and Geochemistry, Geophysics, Geosystems.

2020 - 2023. Organised University of Bristol geophysics research group’s seminars.

2020. Solid Earth theme representative on the 2020 Wessex Doctoral Training Network (DTN) conference organising committee (a joint meeting between the GW4+, Spitfire and Oxford NERC doctoral training programmes).

2019. Primary convener of the British Geophysical Association Postgraduate Research in Progress conference, Bristol.

2019. Organised the University of Bristol School of Earth Sciences’ postgraduate seminar series.

Academic Society Memberships

  • American Geophysical Union (AGU)
  • European Association of Geoscientists and Engineers (EAGE)
  • European Geophysical Union (EGU)
  • Société Jersiase

Publications

Asplet, J., Wookey, J., Kendall, J.M., Chapman, M., and Das, R. 2024 Shear-wave attenuation anisotropy: a fluid detection tool, Seismica. Doi:10.31223/X5838Z

Asplet, J., Kettlety, T., Felgett, M., Luckett, R., Kendall, J. and Kühn, D., 2024, June. Seismic Anisotropy as a Measure of in-Situ Stress for Safe CO2 Storage. In: 85th EAGE Annual Conference & Exhibition (including the Workshop Programme). European Association of Geoscientists & Engineers.

Kettlety, T., Asplet, J., Hudson, T. and Kendall, J.M., 2024, June. Using Array Methods for Cost-Effective Onshore Passive Seismic Monitoring for Offshore CO2 Storage Projects. In: 85th EAGE Annual Conference & Exhibition (including the Workshop Programme). European Association of Geoscientists & Engineers.

Hudson, T., Asplet, J., and Walker, A., 2023.,
Automated shear-wave splitting analysis for single- and multi-layer anisotropic media. Seismica, Doi:10.31223/X5R67Z

Asplet, J., Wookey, J. & Kendall, M., 2022. Inversion of shear-wave waveforms reveals deformation in the lowermost mantle. Geophysical Journal International, 232, 97–114. Doi:10.1093/gji/ggac328

Asplet, J., 2021. New techniques for the robust identification and quantification of seismic anisotropy in the lowermost mantle. University of Bristol. https://hdl.handle.net/1983/06dcb896-db47-4052-a40c-77b86fa5eaf7

Asplet, J., Wookey, J. & Kendall, M., 2020., A potential post-perovskite province in D’’ beneath the Eastern Pacific: evidence from new analysis of discrepant SKS–SKKS shear-wave splitting. Geophysical Journal International, 221, 2075–2090. Doi:10.1093/gji/ggaa114

Publications in preparation

N.B Publications in prep are ordered by the approximate level of “polish” of the current draft manuscript. Dois/ preprints will be added when articles are submitted.

Kühn, D., Kettlety, T., Martuganova, E., Jerkins, A., Dichiarante, A. M., Asplet, J., Baptie, B., Voss, P. H., Dahl-Jensen, T., Goertz-Allmann, T., Schweitzer, J., and Oye, V., Harmonising seismic bulletins around the North Sea: improving natural seismicity characterisation for CO2 storage preparedness, in prep for Geoenergy

Asplet, J., Kettlety, T., and Tarasewicz, J., How low can you go? Assessing the earthquake detection capability of seismic arrays in the Southern North Sea, in prep.

Kettlety, T., Asplet, J., Hudson, T., Walker, A., Kounoudis, R., Shams, S., Yemane, T., Butcher, A., and Kendall J. M., in prep for Seismica, NYMAR: North York Moors Array for background monitoring for Southern North Sea CO2 storage sites.

Asplet, J., Fellgett, M., Kettlety, T., Kendall, J. M., in prep, New constrains on UK crustal stress from microseismic shear-wave splitting, Geol. Soc. Lon. Special Publication on “Tectonic Stress: from the lithodphere to the wellbore”.

Grey literature

Asplet, J., Kettlety, T., Felgett, M. and Kendall., J. M., 2024, SHARP Storage Deliverable 2.3: Stress-induced anisotropy, reservoir properties and caprock integrity assessment.

Sutton, M., Rufas, A., Asplet, J., Moneron, J., Kallingal, M., Albini, D., Kettlety, T., Muslemani, H., Köppen, M., Cartwright, J., Bouman, H. A., Rickaby, R., Jackson, M., Smith, S. M., Allen, M., and Kendall, J. M., 2024., Filling in evidence gaps for the safe deployment of offshore Geological Carbon Storage. The Agile Initiative, University of Oxford, UK. doi:10.5287/ora-e9o5oxve8

Sutton, M., Rufas, A., Asplet, J., Kallingal, M., Moneron, J., Cartwright, J., Kettlety, T., Kendall, M., Bouman, H., Rickaby, R., Allen, M., & Smith, S., 2024, What do we need to know to safely store CO2 beneath our shelf seas? Stakeholder workshop report. The Agile Initiative.

A PDF copy of my full CV can be found here.