4.7-Magnitude Quake Rocks Los Angeles

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A moderate earthquake jolted the Los Angeles region late Sunday, shattering glass, setting off alarms and fraying nerves. There were no reports of any major injuries or damage.

The magnitude-4.7 quake hit at 8:39 p.m. about 10 miles southwest of downtown Los Angeles and three miles east of Los Angeles International Airport, according to a preliminary report by the U.S. Geological Survey. The quake was followed minutes later by at least three smaller aftershocks, with the largest registering at magnitude-3.1.

The quake jiggled the greater Los Angeles region for about 10 to 15 seconds and was felt as far south as San Diego, said USGS seismologist Susan Hough.

Additional reporting at MyFoxLA.com

"This was a serious jolt. It was probably felt within 100 miles," Hough said.

The shaking was most intense in the coastal communities south of LAX. Some residents said books and other items were knocked off the shelves. Television images showed a business that had its storefront window knocked out.

However, people who live north of downtown Los Angeles either felt a light shake or nothing at all.

The Los Angeles Fire Department received plenty of calls, but none to report any major injuries, said spokesman Brian Humphrey. There were no reports of any damage at LAX.

Tom Oswalt, 46, said he was packing clothes for a business trip at his home in Long Beach when the shaking started.

"First thing I thought was 'Is this the big one?' It was pretty powerful," he said. "My first thought was to get out of the building, get my dog and get out of the building. Now we're just waiting for aftershocks."

Hough said there will likely be more aftershocks, but only a five percent chance of a larger quake.

"People should be on their toes," she said.

Seismologists had pegged the quake initially at a magnitude-4.7, then revised it to a magnitude-5.0, but updated it about an hour after the temblor struck back to 4.7.

The last damaging earthquake in Southern California was the 1994 magnitude-6.7 Northridge quake that toppled bridges and buildings.

Click for complete details from the USGS