Los Angeles: A 7.1-magnitude earthquake hit southern California on Friday at 8:19 pm (3:19 GMT today), the United States Geological Survey said.

The latest quake is part of what geologists are calling an ‘earthquake sequence’ and follows a 6.4-magnitude quake that struck the same area the day before.

The USGS said the previous day’s tremor was a ‘foreshock’ to Friday’s quake, with CNN reporting that the latest tremor was 11 times stronger. Residents on the ground said they were feeling aftershocks.

On Thursday, Caltech seismologist Lucy Jones had warned a press conference that there was “about a one-in-20 chance that this location will be having an even bigger earthquake within the next few days, that we have not yet seen the biggest earthquake of the sequence.”