A minor, 3.9-magnitude earthquake struck in the San Francisco Bay Area on Monday, according to the United States Geological Survey. The temblor happened at 7:46 p.m. Pacific time about 3 miles northwest of Dublin, Calif., data from the agency shows. U.S.G.S. data earlier reported that the magnitude was 4.

Moderate shaking was reported with a magnitude 3.9 earthquake near Dublin, Calif. Residents in San Francisco, Fremont and Richmond reported weak shaking.

A 4.2 magnitude earthquake shook the San Francisco Bay area late Monday night, according to preliminary readings from the U.S. Geological Survey. The quake struck juts after 7:45 p.m. local time on Monday and was centered around the town of Dublin,