A magnitude 3.8 earthquake struck the Los Angeles area early Sunday morning, according to the U.S. Geological Survey.
The earthquake hit about 1 mile from Baldwin Hills at 4:07 a.m. local time, according to the USGS. It was felt throughout the LA area, in nearby Culver City and from the San Fernando Valley to Long Beach.
It was originally reported as a 3.9-magnitude earthquake by the USGS and later downgraded to a magnitude 3.8.
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Both the Los Angeles and Los Angeles County fire departments went into earthquake monitoring modes, spokesmen said, but no initial damage was reported.
"It was more like a boom. You look for the normal shaking, but it wasn't that," Omar Johnson said in Baldwin Hills Sunday morning.
The M3.9 (prelim) EQ this morning was not big enough to wake up Pasadena. Near the 4/13 EQ, but not the same fault. This one is thrust — Dr. Lucy Jones (@DrLucyJones) May 3, 2015
But Jones said this earthquake was on a different fault from the shaking felt three weeks prior.
That earthquake struck April 12, not April 13, according to USGS data. One woman told NBC4 she felt "a big jolt" in that earthquake and heard a roar.
USGS spokeswoman Valerie Thomas looped in Thursday's 3.4-magnitude tremor centered in nearby Carson when talking about recent seismic activity.
"At this point all that means is we live in earthquake country," Thomas said. "There's nothing unusual about it."
Johnson agreed, saying it wasn't out of the ordinary: "This is LA. You get what you pay for."
The LAFD found no damage over its 470 sq. mile survey area and went off earthquake mode, according to spokesman Erik Scott.
"Firefighters rapidly leave their quarters and examine all areas of major concern," including "Dodger Stadium, universities, apartment buildings, dams and even power lines," LAFD spokesman Shawn Lenske said, describing earthquake mode.
Seven of 22 LACFD battalions felt the earthquake but received no reports of damage, supervisor Ed Pickett said.
Strong shaking was felt in Inglewood, Pickett said. Other communities that Pickett said felt the quake include West Hollywood, Cerritos, Huntington Park, Gardena and East LA.