KEY POINTS

  • Earthquake occurred around 11:39 pm local time
  • Tremors were felt till Los Angeles and Pasadena
  • The Los Angeles Fire Department warned residents to be prepared for aftershocks

A magnitude 4.6 earthquake shook southern California around 11.39 p.m. local time Friday (2.39 a.m. EDT Saturday).

According to the U.S. Geological Survey, the earthquake occurred less than two miles from South El Monte at a depth of 10 miles.

The tremors were felt till Los Angeles and Pasadena.

"Here in Pasadena I felt it. It woke me up," Seismologist Dr. Lucy Jones told Eyewitness News.

The Los Angeles Fire Department warned residents to be prepared for aftershocks.

"Felt Widely in Los Angeles. Prepare Now For Aftershocks. If Inside When Shaking Starts: DROP, COVER, HOLD ON! Protect Your Head + Neck While Taking Cover Under Sturdy Furniture or Near a Sturdy Interior Wall, Away From Windows and Doorways Until Shaking Stops," the department tweeted.

No damage or loss of life was reported. 

This is a developing story.

earthquake Representational image of earthquake that struck the area of Napa, California in the early hours of Aug 24, 2014 Photo: Josh Edelson/AFP/Getty Images