A 4.5-magnitude earthquake shook the southland Wednesday morning, according to the U.S. Geological Survey.
Wednesday morning’s quake was reported at 9:33 a.m. near Yorba Linda, Calif. The quake was felt throughout the southland, from Glendora to Agoura Hills.
There are no immediate reports of damages or injuries.
People near the epicenter described it as a short jolt that rattled windows but caused no immediate damage.
The temblor was felt in downtown Los Angeles, where the Los Angeles Fire Department went into "earthquake emergency mode," fire department spokesman Brian Humphrey said.
"No significant damage or injuries were reported," Humphrey said.
Within a half hour, four more earthquakes, ranging in magnitude from 1.6 to 3.7, struck the same general area, according to the U.S. Geological Survey.
Metro operated all its rail lines at a reduced speed of 15 mph for post-earthquake inspection. Normal service was expected to resume after 10 a.m.
Another 4.5-magnitude quake rattled the L.A. area late Tuesday night at 11:23 p.m. There were no reports of damages or injuries.
There have been 20 earthquakes on the Whittier Fault since shortly after 11:20 p.m. Tuesday night.
- City News Service and Patch Editor Kelly Hartog contributed to this report.