As people across Southern California sheltered from Hurricane Hilary; another natural disaster hit – a magnitude 5.1 earthquake.
Its epicentre was northwest of Los Angeles and #hurriquake was soon trending on social media.
It did not cause major damage, and the hurricane has also since been downgraded to a post-tropical cyclone.
Los Angeles Mayor Karen Bass said over 100 fire stations were checking buildings for damage.
Ms Bass said in a tweet. that there were no initial reports of structural damage caused by the earthquake or any injuries.