Home › Multimedia › World in picture › Big Earthquakes Rattle Southern California aaa Big Earthquakes Rattle Southern California About Islam 07 July, 2019 A powerful magnitude 7.1 tremor rocked the Mojave Desert town of Ridgecrest south of Death Valley National Park as darkness fell on Friday, jolting the area with eight times more force than a 6.4 quake that struck the same area 34 hours earlier.