A 3.5-magnitude quake and several aftershocks rattled the Yorba Linda area Monday afternoon, according to the U.S. Geological Survey.
The USGS site said more than 2,000 people responded, saying they felt the temblor.
Residents reported feeling shaking from Mission Viejo to Glendale.
The quakes' magnitudes were reported as 3.5, 2.0, and 1.8.
Resident SoCal quake expert Dr. Lucy Jones said it was nothing big, just a "little adjustment."
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