YOU'LL NEED EXTRA TIME ON THOSE FREEWAYS. >> RACHEL OKAY, SCOTT. THANK YOU. WE ARE STILL GETTING SMALL REPORTS OF OUR REPORTS OF SMALL AFTERSHOCKS THIS MORNING AFTER A 5.2 MAGNITUDE EARTHQUAKE IN KERN COUNTY, A LOT OF PEOPLE FELT IT HERE IN SOUTHERN CALIFORNIA. >> YEAH, THE SHAKING ACTUALLY SENT A BOULDER CRASHING DOWN ONTO THE FIVE FREEWAY IN THE GRAPEVINE. >> EYEWITNESS NEWS REPORTER IRENE CRUZ LIVE IN LEBEC WITH THE LATEST ON THIS. GOOD MORNING, IRENE. YEAH. JOHN. RACHEL. >> GOOD MORNING. I CERTAINLY FELT THAT EARTHQUAKE LAST NIGHT. IT WAS A GOOD 4 OR 5 SECONDS, A GOOD ROLLING MOTION LIKE YOU MENTIONED A LOT OF PEOPLE IN SOUTHERN CALIFORNIA FELT AT LEAST A LITTLE SOMETHING. AND NOW THERE IS CONCERN IN THE GRAPEVINE AREA, LIKE YOU WERE MENTIONING, BECAUSE A BOULDER FELL INTO THE ROADWAY, BLOCKED SOME LANES. AND NOW THERE IS SOME MAJOR CONCERN THAT WITH THOSE AFTERSHOCKS, MORE DEBRIS COULD COME AND CAUSE AN ISSUE. SO LET'S SHOW YOU LAST NIGHT'S BIG ISSUE. TWO LANES OF THE FIVE SOUTH WERE SHUT DOWN BECAUSE OF THIS LARGE BOULDER IN LANES AT GRAPEVINE ROAD. AND YOU CAN SEE DRIVERS WERE MOVING SLOWLY AROUND IT. TRAFFIC WAS VERY SLOW. CHP TEJON IS NOW TELLING PEOPLE TO DRIVE CAUTIOUSLY THROUGH THE GRAPEVINE AND MOUNTAINOUS AREAS BECAUSE THERE COULD BE MORE OTHER BOULDERS, ROCKS AND TREES COULD HAVE FALLEN IN THE ROADWAY. AND LET'S ALSO SHOW YOU VIDEO WHEN THE EARTHQUAKE ACTUALLY HIT. THIS WAS VERDUGO MARKET AND LIQUOR STORE IN THE COMMUNITY OF METTLER. PEOPLE RUNNING FROM THE STORE, ITEMS FALLING FROM THE SHELVES. THAT 5.2 EARTHQUAKE WAS CENTERED MORE AROUND KERN COUNTIES JUST SOUTH OF BAKERSFIELD. BUT WE FELT IT ACROSS SOCAL FOR A LITTLE LESS THAN FIVE SECONDS. USGS SAYS THERE WERE AT LEAST 20 AFTERSHOCKS, TWO OF THEM REGISTERING ABOVE 4.0 MAGNITUDE. IT HIT AROUND 9:09 P.M. AND DOCTOR LUCY JONES SAYS, AS WITH ANY QUAKE, THERE IS A 5% CHANCE OF SOMETHING BIGGER FOLLOWING A REMINDER, TOO, THAT THE RISK OF IT BEING A FORESHOCK DROPS RAPIDLY WITH TIME. >> ONE QUARTER OF ALL FORESHOCKS ARE WITHIN AN HOUR OF THEIR MAIN SHOCK. BY THE TIME WE GET TO THREE DAYS OUT, IT'S GOING TO BE, ESSENTIALLY THE RISK WILL BE ALL GONE. >> NOW, DOCTOR LUCY JONES ALSO MENTIONED THE LAST TIME A BIG EARTHQUAKE HIT THE KERN COUNTY AREA. THAT WAS BACK IN 1952 WITH A 7.5 MAGNITUDE EARTHQUAKE. SO WE WEREN'T QUITE AT THAT LEVEL LAST NIGHT. BUT IN TERMS OF THAT BOULDER INCIDENT ON