"Earthquake" is a single by British disc jockey DJ Fresh and American counterpart Diplo featuring vocals from Dominique Young Unique. The song was released in the United Kingdom on 18 August 2013 as the lead single from his fourth studio album. An edited version of the song with extra production and sound effects features in the film Kick-Ass 2, under the name "Motherquake". It contains a sample from the song "Teach Me How to Dougie" by the hip hop group Cali Swag District. "Earthquake" peaked at number four on the UK Singles Chart, number three on the UK Dance Chart and topped the UK Indie Chart.
The debut performance of "Earthquake" occurred during DJ Fresh's set at the New York leg of the international Electric Daisy Carnival festival. Dominique and DJ Fresh performed "Earthquake" again at Radio 1's Big Weekend, during the latter's headlining set on the "1Xtra Arena/In New Music We Trust Stage". DJ Fresh and Dominique Young Unique performed the track live on 4Music panel show 'McFlurry Music Mix Up' presented by Rickie and Melvin on 19 August 2013.