In the fourth exercise of EU MODEX Cycle 12, medical teams exercised alongside mountain, cave and urban search and rescue teams in the Graz area of Austria. Teams from Austria, Croatia, Hungary, Lithuania, Romania, Spain and Türkiye were supported by a European Civil Protection Team (EUCPT), as well as a Technical Assistance and Support Team (TAST) from Latvia. The teams demonstrated strong interoperability during the simulated earthquake mission.