California ? Three small earthquakes have rattled California’s Orange County area in just a few hours but no damage was immediately reported.

The first quake struck at 4:56 p.m. Thursday and was centered 2 miles northeast of the city of Yorba Linda. It magnitude was estimated at 3.8.

Then the U.S. Geological Survey says a magnitude-4.0 quake occurred at 8:27 p.m. and a 3.0 tremor followed less than a minute later. The magnitude of the third quake was revised downward from an initial 3.9.

On April 1, a number of tiny quakes rattled Orange County, south of Los Angeles.