When Is Aftershock 2024. Aftershock is excited to announce its 2024 partners: In less than 48 hours, aftershock festival will kick off in sacramento, ca on thursday, october 10th, with headlining sets to come from slayer, slipknot iron maiden, and.

Aftershock 2024 is set to be an explosive mix of rock and metal, with a lineup that’s too good to miss. Get all your questions about aftershock answered.