The 56-year-old was found pinned underneath a car and was pronounced dead at the scene. Police officers responded to a call on July 9 of a man under a vehicle. The man was last seen alive on July 3 before the 6.4 earthquake on July 4, KTNV reported.
Police officers believe the man had been working underneath his car during the earthquake.
The tremors caused the vehicle to fall off its jack, the police say.
The earthquakes which struck near Ridgecrest were felt in parts of Southern Nevada including the Las Vegas Valley and Pahrump.
There are no reports of any other injuries directly impacted by the earthquakes.
READ MORE: California earthquake: Mystic who predicted tremor says MORE to come
The news comes as US President Donald Trump has since declared the situation in California an emergency.
Trump has ordered federal assistance to help state, tribal and local response efforts in the region.
White House officials said the Federal Emergency Management Agency is authorised to “identify, mobilise, and provide at its discretion, equipment and resources necessary to alleviate the impacts of the emergency.
“Emergency protective measures, limited to direct Federal assistance, will be provided at 75 percent Federal funding.”
Seismologists have said the danger is not over yet, with more aftershocks expected this week.
Thousands of aftershocks have been reported in the area since.
There are fears the Yellowstone volcano will erupt due to the quakes.
But the USGS have said it will not erupt as quakes are not rare in western US.