BERKELEY — A 2.8 magnitude earthquake jolted the area early Thursday morning, bringing to more than a dozen the number of aftershocks since a 4.3 quake Monday morning, officials said.

No injuries or damage was immediately reported in the 5:55 a.m. Thursday quake, which officials with the U.S. Geological Survey said was centered 5.2 miles beneath the surface and 1.9 miles southeast of Berkeley.

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But it did rattle residents’ nerves, considering there have been at least a dozen small quakes and aftershocks since Monday, all centered in the Berkeley area.

They have ranged from 1.0 to 3.0 in magnitude, many occurring on Tuesday from early morning to late afternoon.

Monday’s 4.3 earthquake, which was along the Hayward-Rodgers Creek Fault and woke up thousands about 3 a.m., w

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