4.4 Earthquake Shakes Southland

A magnitude 4.4 earthquake struck Southern California at 11:23 p.m. Tuesday, according to the U.S. Geological Survey.

The temblor's epicenter was about 2 miles north-northeast of Yorba Linda, Calif., putting it about 29 miles east-southeast of the Los Angeles Civic Center, according to the U.S. Geological Survey.

The earthquake was felt across Los Angeles County, City News Service reported.

On the ground and in the air, firefighters checked large buildings, schools, power lines and "critical infrastructure," according to an alert from the Los Angeles Fire Department. No injuries or significant damage were reported.

Less than 45 minutes after the earthquake, the U.S. Geological Survey received more than 1,400 responses from people living in 357 zip codes who said they felt the earthquake. To submit your own report, click here.

According to USGS data, three aftershocks—magnitude 2.7, 1.2 and 1.4—struck the same general area over the next 25 minutes. The largest aftershock hit about a minute after the initial earthquake.

The initial earthquake and its aftershocks were measured at depths of about 5.1 miles, 5.9 miles, 4.8 miles and 3.1 miles on the Whittier fault.

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