An earthquake has hit the western U.S. state of California, shaking buildings and cars, but causing no serious damage or injuries.
The quake shook the southern part of the state Tuesday and was felt from downtown Los Angeles to San Diego. Some reports said it was felt as far away as Las Vegas, Nevada.
Initial reports said the quake had a 5.8 magnitude, but it was later revised downward to 5.4.
Residents told U.S. television (CNN) they had felt the ground rock under them, but no injuries or damage to property were reported.
Workers quickly evacuated some office buildings following the quake, which was centered near the Chino Hills area of San Bernardino County.
Earthquakes are relatively frequent in California.Some information for this report was provided by AFP, AP and Reuters.