South Park Center for Seismic Activity Contents Featured Episodes South Park Center for Seismic Activity http://southparkstudios.mtvnimages.com/shared/locations/seismic-center.jpg Type Public Town South Park First Appearance Volcano Last Appearance The Cissy Featured Episodes[edit] Volcano (s01e03) Goobacks (s08e07) The Cissy (s18e03)