An onlooker views newly ruptured ground after a 7.1 magnitude earthquake struck in the area on July 6, 2019 near Ridgecrest, California. Mario Tama/Getty Images

A pair of large earthquakes hit Southern California over the course of two days.

On Thursday, a 6.4 magnitude earthquake struck the area. The next day, a 7.1 earthquake rocked Southern California on Friday night. Multiple fires broke out after it struck 11 miles northeast of the city of Ridgecrest.

Here's what else you need to know about these earthquakes: