Four earthquakes ranging in size from a 3.3 magnitude as the most powerful to 1.3 struck near Milpitas on Tuesday morning, according to the United States Geological Survey.
The first was a 2.7 magnitude quake at 8:16 a.m. The largest in the series was felt at 9:02 a.m. In between those two, there were also 3.0 and 1.3 magnitude temblors.
The earthquakes were all centered 10 kilometers northeast of Milpitas at 8:36 a.m., the USGS said.
The area had also felt two recent earthquakes on Sunday, including a 3.4 magnitude shaker.