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Los Angeles Earthquake Rocks Southern California
Magnitude 5.3 Quake Strikes Near La Habra
No Injuries Reported, But Damage Widespread
A magnitude 5.3 earthquake struck near La Habra in Southern California on Thursday, July 21, 2023, at 10:45 a.m. PDT.
The quake was felt throughout the region, from Los Angeles to San Diego. There were no immediate reports of injuries, but damage to buildings and infrastructure was widespread.
The epicenter of the quake was located about 2 miles (3 kilometers) northeast of La Habra, at a depth of about 5 miles (8 kilometers).
The quake was followed by several aftershocks, the largest of which was a magnitude 4.0.
The quake caused widespread damage, including cracked walls, broken windows, and downed power lines.
One of the most heavily damaged areas was the city of Whittier, where several buildings were damaged, including the Whittier City Hall.
The quake also caused rockfalls and landslides in the Angeles National Forest, closing several roads.
Power outages were reported throughout the region, affecting more than 100,000 customers.
The quake was the largest to hit Southern California since the 1994 Northridge earthquake, which killed 57 people and caused billions of dollars in damage.
Geologists are still studying the quake, but they believe it was caused by the movement of the Puente Hills Fault.
The Puente Hills Fault is a major fault that runs through the Los Angeles Basin.
Geologists have long warned that the Puente Hills Fault is capable of producing a major earthquake.
The quake is a reminder of the ongoing seismic hazard in Southern California.
Residents are urged to be prepared for future earthquakes by having an emergency plan and supplies.
More information about earthquake preparedness is available on the website of the California Geological Survey.