Sold-out Aftershock festival welcomes 145,000 fans

The Aftershock festival returned to Discovery Park in Sacramento, California, on Oct. 7 to 10, 2021, and the sold-out event drew a total of 145,000 fans over its four days.

Aftershock also has announced dates for 2022, the weekend of Oct. 6 to 9, once again returning to Discovery Park. Passes are available now for $10 down for a limited time at

Producer Danny Wimmer Presents reported that almost 99 percent of festival-goers this year arrived with proof of full vaccination or a negative COVID test–and others were able to receive convenient rapid testing onsite to access the event without delay.

Metallica continued its partnership with DWP at Aftershock, delivering an two unique sets over two nights including hits from the band’s 40-year catalogue on Friday, Oct. 8, as well as playing “Metallica” (“The Black Album”) in full from back to front in honor of the record’s 30th anniversary.

Other memorable moments at the 9th edition of Aftershock included a headlining appearance from The Original Misfits on Saturday, Oct. 9, helping to usher in the Halloween season with a rousing horror-punk performance, as well as a Thursday closing set from Cypress Hill. Earlier that day, the festival offered a Bay Area thrash metal showdown with Testament, Exodus (reuniting with drummer Tom Hunting) and Death Angel providing an apt preview for fellow locals Metallica. A recently reunited Mudvayne also appeared on Saturday, Oct. 9.

The event (sold out for the fifth consecutive year) is estimated to have brought in $30 million to the local economy with 75 percent of the attendees traveling to Aftershock from outside the region, according to Mike Testa, CEO of Visit Sacramento.

In addition to the 60 music acts over 4 days, with performances on three stages, festivalgoers were able to enjoy some of the best food and drinks that the Sacramento area has to offer, as well as various sponsor activations and experiences.

For more information on Aftershock, visit:

Hashtag: #Aftershock

Metallica (photo courtesy of Danny Wimmer Presents/Steve Thrasher)
Mudvayne (photo courtesy of Danny Wimmer Presents/Steve Thrasher)

Crowd photo courtesy of Danny Wimmer Presents/Sam Shapiro

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