Two moderate-sized earthquakes hit within seconds of each other in the Bay Area early Monday morning, with thousands of people around the state reporting that they felt the second, larger temblor.

The United States Geological Survey said the quakes, measuring 3.5 and 4.0, took place just after 5:30 a.m. Monday.

The first, at approximately 5:33:12 a.m., was centered one mile north of El Cerrito, one mile south southeast of East Richmond Heights and four miles north northwest of Berkeley, at a depth of 5.2 miles, the U.S. Geological Survey reported.

The survey reported receiving only two shake reports on that quake.

Eight seconds later, the 4.0-magnitude quake hit. U.S. Geological Survey records showed that second temblor was centered in a slightly different spot, one mile north northwest of El Cerrito, one miles south southeast of East Richmond Heights and four miles north northwest of Berkeley, at a depth of 5.3 miles.

By Monday evening more than 14,500 people in nearly 300 California zip codes reported feeling that quake, according to survey shake report records.

Two smaller aftershocks centered one miles southeast of East Richmond Heights, followed, one measuring magnitude 1.9 at 6:03 p.m. and the second measuring 1.1 at 6.29 p.m., the survey reported.

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