A 3.7-magnitude earthquake hit San Francisco on Friday evening, with an epicenter under the city’s international airport, the United States Geological Survey said. The quake struck about eight miles beneath the airport at 6:38 p.m. local time, the U.S.G.S. said. There were no immediate reports of injuries or damage at the airport or elsewhere. For … Continue reading Minor Earthquake Under San Francisco’s Airport Rattles Nerves