Full information about IVESPA can be found in:
Aubry, T J, Engwell S L, Bonadonna, C, Carazzo, G, Scollo, S, Van Eaton A R, Taylor, I A, Jessop, D, Eychenne, J, Gouhier, M, Mastin, L G, Wallace, K L, Biass, S, Bursik, M, Grainger, R G, Jellinek, A M, and Schmidt, A. 2021. The Independent Volcanic Eruption Source Parameter Archive (IVESPA, version 1.0): A new observational database to support explosive eruptive column model validation and development. Journal of Volcanology and Geothermal Research. https://doi.org/10.1016/j.jvolgeores.2021.107295
For general referencing and links to the IVESPA content, please use "Independent Volcanic Eruption Source Parameter Archive Version 1.0, ivespa.co.uk" and provide the date on which the information was downloaded. We also ask that you cite the above paper.