Transcript for California Earthquake: Mounting Aftershocks
Good evening into a tense 24 hours in southern California. The after shock throughout the day after quite a surprise overnight. Millions wondering how long it would last. Just one of the many images coming in from the moment the earthquake hits. Here you can see the chandeliers swinging in California. Moments later workers and customers running for cover. So many stores nearly everything wiped off the shelves. Waterlines bursting everywhere. And this was the scene, families huddled in the dark after the power had gone out. Of course, the good news, no major injuries, but nerves, that's a different story. A 4.1 after shock hitting. ABC's Ryan Owens in California tonight. Reporter: It stole the show at this high school musical. And this choir concert. It was enough to get these dogs off the couch in a hurry! Everything was shaking and we all went under the table. It was pretty freaky. The 5.1 magnitude quakes shattered windows and tossed bottles off shelves across southern California. It triggered a small rockslide which overturned this car, everyone got out okay. The tremor also caused water main breaks and displaced about 50 people from one apartment complex. In the middle of the 6th inning of the dodgers game. We might be experiencing an earthquake here. Friday's jolt was ten times stronger than the saint Patrick's day quake less than two weeks ago that sent L.A. News anchors diving under their desk. Of course, California is earthquake country and seismologists say it's only a matter of time. Listen to this. They say there's a 99% chance of a 6.7 magnitude or larger quake somewhere in the golden state in the next 30 years. 6.7 was the magnitude of the north ridge quake that in 1994 killed more than 50, injured 5,000 and caused more than $20 billion in property damages. Seismologists think this quake occurred on the same vaultd, the quake of 1987, it killed eight and caused more than $350 million in damage. Which of course -- if you're asking the question how big could something near here happen, the answer is very big. That has been quiet since then until now. What makes scientists nervous is the hills cover a mass it's 25 miles wide. The zone runs through heavy populated Orange county west to downtown L.A. Including the sky scrapers of the second largest city. They tell us for the last 20 years. The Los Angeles area has been lucky. Far fewer quakes than usual. Does all of this recent shaking mean that's all about to change? Thank you. Now to the search for the missing ma laborer Yan airlines
This transcript has been automatically generated and may not be 100% accurate.