An earthquake with a preliminary magnitude of 3.7 struck this morning near Milpitas, a day after another temblor hit the same area, according to the U.S. Geological Survey.
The earthquake occurred at 11:48 a.m., according to the USGS, and had a depth of 5 miles.
The quake was centered six miles east-northeast of Milpitas and eight miles north-northeast of Alum Rock, the same area that saw a quake just 26 hours ago. Thursday's earthquake was reported at 10:09 a.m. with a preliminary magnitude of 4.1, according to the USGS.
BART was reporting five to 10 minute delays system wide as part of its earthquake protocol, a dispatcher said.