This is the 1412th most frequent Catalan word.
mediàtica
Related to media or publicity.
Here, 'mediàtica' is used as an adjective describing 'notícia', indicating that the news is related to media.
La notícia mediàtica va influir en l'opinió pública.
The media news influenced public opinion.
In this case, 'mediàtica' is an adjective describing 'celebració', indicating its relation to media events or coverage.
La celebració mediàtica es va retransmetre a tot el país.
The media celebration was broadcast nationwide.
Here, 'mediàtic' (masculine version agreeing with 'impacte') functions as an adjective explaining the role of the media in amplifying the announcement's significance.