She led the volcanological management of the 2021 La Soufriere eruptions on Saint Vincent, for which the Seismic Research Centre received global accolades.
In 2008, Joseph was the first PhD graduate in volcanology from UWI, with a thesis titled "Geochemistry of Geothermal Systems in Saint Lucia and Dominica, Lesser Antilles: Implications for Volcanic Monitoring”.
[3] Her thesis work included studies of the health-hazard impacts of volcanic gases on tourists at the Sulphur Springs Park, St Lucia; the world's only 'drive in' volcano.
[6][7] She has worked across many of the volcanic islands of the Eastern Caribbean, including St Vincent, Montserrat, St Lucia and Dominica, both in response to volcanic or seismic unrest, and to develop programmes of public outreach, education and information-sharing about hot springs, volcanoes, earthquakes and related phenomena.
As Director of the Seismic Research Centre, Joseph led the emergency volcano management and crisis response to the 2021 eruptions of La Soufriere, St Vincent.