Earthquake on Fontana
4.2-magnitude earthquake struck near Fontana at 5:54 a.m.
The US Geological survey initially reported 4.3-magnitude shake and later downgraded it to a 4.2-magnitude.
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The quake struck one mile east, southeast of Fontana, four miles west of Rialto and eight miles east, southeast of Rancho Cucamonga.
More than 3,700 people in Southern California.
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Woken up by a 4.3 earthquake at freaken 5.54am."Being a magnitude 4.2 and very shallow, they felt some reasonable shaking," Andrews said.
No injuries or serious damage were reported, according to San Bernardino County Fire Department.
