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A series of minor earthquakes struck San Bernardino County early today, but no injuries or serious damage were reported, officials said.
A 4.4-magnitude quake at 6:35 a.m. followed a 3.3 quake about 10 minutes earlier and a 3.6 temblor at 4:11 a.m., according to the California Institute of Technology in Pasadena and the U.S. Geological Survey. All the quakes were centered from 1 to 3 miles north of Fontana.