A 3.5-magnitude earthquake struck the Baldwin Hills area Sunday night, hours after a 2.5-magnitude temblor jolted the same area, according to the U.S. Geological Survey.
The Los Angeles Fire Department said it went into "earthquake mode" following the stronger of the two tremors, meaning fire crews from all 106 fire stations fanned out to check their areas. No damage or injuries were found, fire officials said.
The latest quake struck at 9:17 p.m. about a mile southeast of Baldwin Hills, the USGS reported.
Earlier Sunday at 4:35 p.m., the same area was hit by a 2.5-magnitude quake, the USGS said. The quake was initially reported as a 2.9, but the agency later downgraded the magnitude to 2.5.
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USGS Seismologist Dr. Lucy Jones said both earthquakes originated from the same fault.
Today's M2.5 &M3.5 in Baldwin Hills are located near the Newport-Inglewood fault. — Dr. Lucy Jones (@DrLucyJones) April 13, 2015
"I felt a big jerk and it sounded like it had a roar to it," said a woman at a gas station."It was a big jolt, like we were going to have another one behind it."
Jones said more than 4,000 people had reported feeling the 3.5-magnitude quake on the USGS website.
NBC4 Twitter followers reported feeling the shaking produced by the earlier quake in Santa Monica, Inglewood, Culver City and downtown Los Angeles. Some described the tremor as one sharp, quick jolt.
NBC4's Gadi Schwartz contributed to this report.