In the US, there are reports of injuries and fires after an earthquake, with a preliminary magnitude of 7-point-1, in southern California.
Buildings have been damaged in the quake, which happened a day after another large tremor measuring 6-point-4 hit the region.
It hit at 8.19pm local time 11 miles from Ridgecrest in the Mojave Desert, the site of Thursday's 6.4-magnitude quake.
Offices in downtown Los Angeles shook for around 30 seconds and it was also felt in the Hollywood Hills, Las Vegas and parts of Mexico.
The earthquake is the strongest to hit the region in 20 years, with experts giving it an early rating of 6.9 to 7.1 on the Richter scale.
Houses were damaged, including foundations cracking and walls coming down, said San Bernardino County Fire Department.
Kern County officials said there had been "multiple injuries and multiple fires" but that it appeared no buildings had collapsed.
He said people left the building in an orderly manner although one woman was sobbing in fear.
When out on the street, Holt says people didn't know what to do or where to go and tried to catch local news updates to get more information.